--- title: "Changes to Create a conversation" method: POST path: "/conversations" --- # Changes to Create a conversation `POST /conversations` > Every recorded change to this operation, newest first. ## Timeline Changed in 42 of 397 revisions. - **2026-10-26** `6f5c52c2ff04`: 9 info - **2026-10-23** `f1af3e12b410`: 2 info - **2026-10-20** `fbe6e5768509`: 3 info - **2026-10-15** `678b6c5e3523`: 2 info - **2026-10-13** `331494fb6dbf`: 1 info - **2026-10-06** `eaa56febe11a`: 1 breaking, 1 info - **2026-10-06** `e2f8d8cbc41f`: 3 info - **2026-10-03** `be3eca83a454`: 1 breaking - **2026-09-28** `1c308918d47e`: 1 info - **2026-09-28** `17f4bc11b90f`: 2 breaking, 2 info - **2026-09-25** `d86203de41ae`: 2 info - **2026-09-16** `2cd8933757a4`: 2 info - **2026-09-15** `6dad570526f3`: 1 info - **2026-09-10** `2f07cb0091b4`: 1 breaking, 5 info - **2026-09-08** `6bfa47154802`: 2 info - **2026-09-08** `bb9b3b410112`: 1 breaking, 34 info - **2026-09-08** `185927e212ab`: 12 info - **2026-09-04** `d3d980dbba53`: 1 info - **2026-09-03** `9430b00d75b4`: 12 info - **2026-08-29** `959ef977e135`: 1 warning - **2026-08-28** `5c81016c9be7`: 1 info - **2026-08-26** `c86651eddeec`: 1 info - **2026-08-20** `5de4ab93fa24`: 4 info - **2026-08-19** `43e6c24649de`: 1 info - **2026-08-14** `19962d085c85`: 1 breaking - **2026-08-14** `6ac2618eefd7`: 1 info - **2026-08-14** `fe3335711e48`: 1 info - **2026-08-13** `fc45a2f64c0a`: 2 info - **2026-08-05** `ab0c5306e390`: 46 info - **2026-08-04** `4d5ff0000988`: 2 info - **2026-07-30** `f41d8cd016e8`: 2 info - **2026-07-15** `4065aec90c5d`: 40 info - **2026-07-09** `e0508a503b84`: 47 info - **2026-06-17** `827fa3e74ce9`: 2 info - **2026-06-01** `d96e76a894f8`: 3 info - **2026-05-15** `5b751bfbf149`: 1 info - **2026-05-13** `74cbcf73838f`: 1 info - **2026-05-07** `737fbb7f6f17`: 4 breaking, 3 info - **2026-05-06** `1b5c6501b847`: 1 breaking, 1 info - **2026-05-04** `64494d56c425`: 10 breaking - **2026-04-29** `5b98524f8dee`: 3 breaking - **2026-04-10** `7c540cce6eb3`: 1 info ## Changes - **2026-10-26** `6f5c52c2ff04`: 9 info - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #1: Input message]/content/oneOf[subschema #2: Input item content list]/items/oneOf[subschema #1: Input text]/prompt_cache_breakpoint/ttl` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #1: Input message]/content/oneOf[subschema #2: Input item content list]/items/oneOf[subschema #2: Input image]/prompt_cache_breakpoint/ttl` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #1: Input message]/content/oneOf[subschema #2: Input item content list]/items/oneOf[subschema #3: Input file]/prompt_cache_breakpoint/ttl` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #1: Input message]/content/items/oneOf[subschema #1: Input text]/prompt_cache_breakpoint/ttl` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #1: Input message]/content/items/oneOf[subschema #2: Input image]/prompt_cache_breakpoint/ttl` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #1: Input message]/content/items/oneOf[subschema #3: Input file]/prompt_cache_breakpoint/ttl` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #27: Custom tool call output]/output/oneOf[subschema #2: output content list]/items/oneOf[subschema #1: Input text]/prompt_cache_breakpoint/ttl` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #27: Custom tool call output]/output/oneOf[subschema #2: output content list]/items/oneOf[subschema #2: Input image]/prompt_cache_breakpoint/ttl` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #27: Custom tool call output]/output/oneOf[subschema #2: output content list]/items/oneOf[subschema #3: Input file]/prompt_cache_breakpoint/ttl` - **2026-10-23** `f1af3e12b410`: 2 info - the `` request property default value changed from `gpt-image-1` to `gpt-image-2` - the `` request property default value changed from `gpt-image-1` to `gpt-image-2` - **2026-10-20** `fbe6e5768509`: 3 info - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/output/oneOf[subschema #2]/items/oneOf[subschema #1: Input text]/prompt_cache_breakpoint/anyOf[subschema #1: Prompt cache breakpoint]/ttl` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/output/oneOf[subschema #2]/items/oneOf[subschema #2: Input image]/prompt_cache_breakpoint/anyOf[subschema #1: Prompt cache breakpoint]/ttl` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/output/oneOf[subschema #2]/items/oneOf[subschema #3: Input file]/prompt_cache_breakpoint/anyOf[subschema #1: Prompt cache breakpoint]/ttl` - **2026-10-15** `678b6c5e3523`: 2 info - the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #6: Web search tool call]/action/oneOf[subschema #3: Find action]/url` became optional - request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #6: Web search tool call]/action/oneOf[subschema #3: Find action]/url` list-of-types was widened by adding types `null` to media type `application/json` - **2026-10-13** `331494fb6dbf`: 1 info - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #15: Image generation call]/error` - **2026-10-06** `eaa56febe11a`: 1 breaking, 1 info - removed `#/components/schemas/NamespaceToolParam` from the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/` request property `oneOf` list - added `#/components/schemas/ToolSearchOutputNamespaceToolParam` to the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/` request property `oneOf` list - **2026-10-06** `e2f8d8cbc41f`: 3 info - added the optional property `error/misalignment/review_target` to the response with the `400` status - added the optional property `error/misalignment/review_target` to the response with the `429` status - added the optional property `error/misalignment/review_target` to the response with the `500` status - **2026-10-03** `be3eca83a454`: 1 breaking - the `metadata` response's property type changed from no type to `object` for status `200` - **2026-09-28** `1c308918d47e`: 1 info - the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #6: Web search tool call]/action` became optional - **2026-09-28** `17f4bc11b90f`: 2 breaking, 2 info - removed `subschema #2` from the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #2: File search]/filters/anyOf[#/components/schemas/Filters]/anyOf[subschema #2: Compound Filter]/filters/items/` request property `oneOf` list - removed `subschema #2` from the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #2: File search]/filters/anyOf[#/components/schemas/Filters]/anyOf[subschema #2: Compound Filter]/filters/items/` request property `oneOf` list - added `#/components/schemas/CompoundFilter` to the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #2: File search]/filters/anyOf[#/components/schemas/Filters]/anyOf[subschema #2: Compound Filter]/filters/items/` request property `oneOf` list - added `#/components/schemas/CompoundFilter` to the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #2: File search]/filters/anyOf[#/components/schemas/Filters]/anyOf[subschema #2: Compound Filter]/filters/items/` request property `oneOf` list - **2026-09-25** `d86203de41ae`: 2 info - added the non-success response with the status `400` - added the non-success response with the status `500` - **2026-09-16** `2cd8933757a4`: 2 info - request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #6: MCP tool]/connector_id` deprecated - request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #6: MCP tool]/connector_id` deprecated - **2026-09-15** `6dad570526f3`: 1 info - the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #14: Compaction item]/encrypted_content` request property's maxLength was increased from `20971520` to `104857600` - **2026-09-10** `2f07cb0091b4`: 1 breaking, 5 info - removed `subschema #1, subschema #2` from the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #15: Image generation call]/size` request property `anyOf` list - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #15: Image generation call]/action` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #15: Image generation call]/background` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #15: Image generation call]/output_format` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #15: Image generation call]/revised_prompt` - added `subschema #1` to the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #15: Image generation call]/size` request property `anyOf` list - **2026-09-08** `6bfa47154802`: 2 info - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #15: Image generation call]/quality` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #15: Image generation call]/size` - **2026-09-08** `bb9b3b410112`: 1 breaking, 34 info - removed `subschema #1` from the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: MCP tool call -> subschema #26: MCP tool call]/error` request property `anyOf` list - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #12: Custom tool]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #13: Namespace]/tools/items/oneOf[#/components/schemas/FunctionToolParam]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #13: Namespace]/tools/items/oneOf[subschema #2: Custom tool]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #1: Function]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #5: Web search]/external_web_access` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #12: Custom tool]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #13: Namespace]/tools/items/oneOf[#/components/schemas/FunctionToolParam]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #13: Namespace]/tools/items/oneOf[subschema #2: Custom tool]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #1: Function]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #5: Web search]/external_web_access` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #27: Custom tool call -> subschema #28: Custom tool call]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #7: Function tool call]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #3: Compaction trigger]/id` - added `#/components/schemas/MCPToolCallError` to the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: MCP tool call -> subschema #26: MCP tool call]/error` request property `anyOf` list - added the new `gpt-image-2` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2-2026-04-21` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2-2026-04-21` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-flare` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-flare` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-flare-2026-09-08` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-flare-2026-09-08` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-sunburst` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-sunburst` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-sunburst-2026-09-08` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-sunburst-2026-09-08` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `incomplete` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #6: Web search tool call]/status` - added the new `max` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/quality` - added the new `max` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/quality` - added the new `xhigh` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/quality` - added the new `xhigh` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/quality` - the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #13: Compaction item -> subschema #14: Compaction item]/encrypted_content` request property's maxLength was increased from `10485760` to `20971520` - added `#/components/schemas/ResponseConfigurationUpdateItemParam` to the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/` request property `oneOf` list - added the non-success response with the status `429` - **2026-09-08** `185927e212ab`: 12 info - added the new `gpt-image-2.5-flare` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-flare` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-flare-2026-09-08` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-flare-2026-09-08` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-sunburst` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-sunburst` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-sunburst-2026-09-08` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2.5-sunburst-2026-09-08` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `max` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/quality` - added the new `max` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/quality` - added the new `xhigh` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/quality` - added the new `xhigh` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/quality` - **2026-09-04** `d3d980dbba53`: 1 info - added the new `incomplete` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #6: Web search tool call]/status` - **2026-09-03** `9430b00d75b4`: 12 info - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #12: Custom tool]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #13: Namespace]/tools/items/oneOf[#/components/schemas/FunctionToolParam]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #13: Namespace]/tools/items/oneOf[subschema #2: Custom tool]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #1: Function]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #12: Custom tool]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #13: Namespace]/tools/items/oneOf[#/components/schemas/FunctionToolParam]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #13: Namespace]/tools/items/oneOf[subschema #2: Custom tool]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #1: Function]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #27: Custom tool call -> subschema #28: Custom tool call]/async` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #7: Function tool call]/async` - added `#/components/schemas/ResponseConfigurationUpdateItemParam` to the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/` request property `oneOf` list - added the optional property `error/misalignment` to the response with the `429` status - **2026-08-29** `959ef977e135`: 1 warning - removed the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/prompt_cache_breakpoint` - **2026-08-28** `5c81016c9be7`: 1 info - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/prompt_cache_breakpoint` - **2026-08-26** `c86651eddeec`: 1 info - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #3: Compaction trigger]/id` - **2026-08-20** `5de4ab93fa24`: 4 info - added the new `gpt-image-2` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2-2026-04-21` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - added the new `gpt-image-2-2026-04-21` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #9: Image generation tool]/model/anyOf[subschema #2]/` - **2026-08-19** `43e6c24649de`: 1 info - the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #13: Compaction item]/encrypted_content` request property's maxLength was increased from `10485760` to `20971520` - **2026-08-14** `19962d085c85`: 1 breaking - removed `subschema #1` from the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: MCP tool call]/error` request property `anyOf` list - **2026-08-14** `6ac2618eefd7`: 1 info - added the non-success response with the status `429` - **2026-08-14** `fe3335711e48`: 1 info - added `#/components/schemas/MCPToolCallError` to the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: MCP tool call]/error` request property `anyOf` list - **2026-08-13** `fc45a2f64c0a`: 2 info - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #5: Web search]/external_web_access` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #5: Web search]/external_web_access` - **2026-08-05** `ab0c5306e390`: 46 info - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #1: Input message]/content/oneOf[subschema #2: Input item content list]/items/oneOf[subschema #1: Input text]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #1: Input message]/content/oneOf[subschema #2: Input item content list]/items/oneOf[subschema #2: Input image]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #1: Input message]/content/oneOf[subschema #2: Input item content list]/items/oneOf[subschema #3: Input file]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #10: Shell tool -> subschema #11: Shell tool]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #11: Custom tool -> subschema #12: Custom tool]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #12: Namespace -> subschema #13: Namespace]/tools/items/oneOf[#/components/schemas/FunctionToolParam]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #12: Namespace -> subschema #13: Namespace]/tools/items/oneOf[#/components/schemas/FunctionToolParam]/output_schema` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #12: Namespace -> subschema #13: Namespace]/tools/items/oneOf[subschema #2: Custom tool]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #15: Apply patch tool -> subschema #16: Apply patch tool]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #1: Function]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #1: Function]/output_schema` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #6: MCP tool]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #6: MCP tool]/tunnel_id` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #7: Code interpreter]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #17: Shell tool call -> subschema #18: Shell tool call]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #18: Shell tool call output -> subschema #19: Shell tool call output]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #19: Apply patch tool call -> subschema #20: Apply patch tool call]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #1: Input message]/content/items/oneOf[subschema #1: Input text]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #1: Input message]/content/items/oneOf[subschema #2: Input image]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #1: Input message]/content/items/oneOf[subschema #3: Input file]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #20: Apply patch tool call output -> subschema #21: Apply patch tool call output]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: Custom tool call output -> subschema #26: Custom tool call output]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: Custom tool call output -> subschema #26: Custom tool call output]/output/oneOf[subschema #2: output content list]/items/oneOf[subschema #1: Input text]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: Custom tool call output -> subschema #26: Custom tool call output]/output/oneOf[subschema #2: output content list]/items/oneOf[subschema #2: Input image]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: Custom tool call output -> subschema #26: Custom tool call output]/output/oneOf[subschema #2: output content list]/items/oneOf[subschema #3: Input file]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #26: Custom tool call -> subschema #27: Custom tool call]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #7: Function tool call]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/name` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/namespace` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/output/oneOf[subschema #2]/items/oneOf[subschema #1: Input text]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/output/oneOf[subschema #2]/items/oneOf[subschema #2: Input image]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/output/oneOf[subschema #2]/items/oneOf[subschema #3: Input file]/prompt_cache_breakpoint` - the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #6: Web search tool call]/action/oneOf[subschema #1: Search action]/query` became optional - the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/call_id` became optional - request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #6: Web search tool call]/action/oneOf[subschema #1: Search action]/query` deprecated - added the new `auto` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #1: Input message]/content/oneOf[subschema #2: Input item content list]/items/oneOf[subschema #3: Input file]/detail` - added the new `auto` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #1: Input message]/content/items/oneOf[subschema #3: Input file]/detail` - added the new `auto` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: Custom tool call output -> subschema #26: Custom tool call output]/output/oneOf[subschema #2: output content list]/items/oneOf[subschema #3: Input file]/detail` - added the new `auto` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/output/oneOf[subschema #2]/items/oneOf[subschema #3: Input file]/detail` - …6 more - **2026-08-04** `4d5ff0000988`: 2 info - the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/AdditionalToolsItemParam]/tools/items/oneOf[subschema #13: Namespace]/description` request property's minLength was decreased from `1` to `0` - the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #13: Namespace]/description` request property's minLength was decreased from `1` to `0` - **2026-07-30** `f41d8cd016e8`: 2 info - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/name` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/namespace` - **2026-07-15** `4065aec90c5d`: 40 info - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #1: Input message]/content/oneOf[subschema #2: Input item content list]/items/oneOf[subschema #1: Input text]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #1: Input message]/content/oneOf[subschema #2: Input item content list]/items/oneOf[subschema #2: Input image]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #1: Input message]/content/oneOf[subschema #2: Input item content list]/items/oneOf[subschema #3: Input file]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #10: Shell tool -> subschema #11: Shell tool]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #11: Custom tool -> subschema #12: Custom tool]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #12: Namespace -> subschema #13: Namespace]/tools/items/oneOf[#/components/schemas/FunctionToolParam]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #12: Namespace -> subschema #13: Namespace]/tools/items/oneOf[#/components/schemas/FunctionToolParam]/output_schema` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #12: Namespace -> subschema #13: Namespace]/tools/items/oneOf[subschema #2: Custom tool]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #15: Apply patch tool -> subschema #16: Apply patch tool]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #1: Function]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #1: Function]/output_schema` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #6: MCP tool]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #6: MCP tool]/tunnel_id` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/oneOf[subschema #7: Code interpreter]/allowed_callers` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #17: Shell tool call -> subschema #18: Shell tool call]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #18: Shell tool call output -> subschema #19: Shell tool call output]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #19: Apply patch tool call -> subschema #20: Apply patch tool call]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #1: Input message]/content/items/oneOf[subschema #1: Input text]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #1: Input message]/content/items/oneOf[subschema #2: Input image]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #1: Input message]/content/items/oneOf[subschema #3: Input file]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #20: Apply patch tool call output -> subschema #21: Apply patch tool call output]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: Custom tool call output -> subschema #26: Custom tool call output]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: Custom tool call output -> subschema #26: Custom tool call output]/output/oneOf[subschema #2: output content list]/items/oneOf[subschema #1: Input text]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: Custom tool call output -> subschema #26: Custom tool call output]/output/oneOf[subschema #2: output content list]/items/oneOf[subschema #2: Input image]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: Custom tool call output -> subschema #26: Custom tool call output]/output/oneOf[subschema #2: output content list]/items/oneOf[subschema #3: Input file]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #26: Custom tool call -> subschema #27: Custom tool call]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #7: Function tool call]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/caller` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/output/oneOf[subschema #2]/items/oneOf[subschema #1: Input text]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/output/oneOf[subschema #2]/items/oneOf[subschema #2: Input image]/prompt_cache_breakpoint` - added the new optional request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/output/oneOf[subschema #2]/items/oneOf[subschema #3: Input file]/prompt_cache_breakpoint` - the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #6: Web search tool call]/action/oneOf[subschema #1: Search action]/query` became optional - request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #6: Web search tool call]/action/oneOf[subschema #1: Search action]/query` deprecated - added the new `auto` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #1: Input message]/content/oneOf[subschema #2: Input item content list]/items/oneOf[subschema #3: Input file]/detail` - added the new `auto` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #1: Input message]/content/items/oneOf[subschema #3: Input file]/detail` - added the new `auto` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #25: Custom tool call output -> subschema #26: Custom tool call output]/output/oneOf[subschema #2: output content list]/items/oneOf[subschema #3: Input file]/detail` - added the new `auto` enum value to the request property `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[subschema #8: Function tool call output]/output/oneOf[subschema #2]/items/oneOf[subschema #3: Input file]/detail` - added `#/components/schemas/AdditionalToolsItemParam` to the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/` request property `oneOf` list - added `#/components/schemas/CompactionTriggerItemParam, #/components/schemas/ProgramItemParam, #/components/schemas/ProgramOutputItemParam` to the `items/anyOf[subschema #1]/items/` request property `oneOf` list - added `#/components/schemas/ProgrammaticToolCallingParam` to the `items/anyOf[subschema #1]/items/oneOf[subschema #2: Item]/oneOf[#/components/schemas/ToolSearchOutputItemParam]/tools/items/` request property `oneOf` list - …earlier changes are on the page: https://skmtc.dev/openai/apis/openapi/changes/conversations/post --- [Operation](https://skmtc.dev/openai/apis/openapi/docs/conversations/post.md) - [API](https://skmtc.dev/openai/apis/openapi.md) - [Page](https://skmtc.dev/openai/apis/openapi/changes/conversations/post)