Changes to Create a chat completion

Changed in 10 of the 30 revisions of this API.▲40●64○55

1. Sep 23, 2026824e59bfac1e▲16●14○6
2. Sep 15, 2026957bf8ec8df8○2
3. Sep 11, 2026ce3609b10ef1○4
4. Sep 10, 2026adde8ecfa74f●8
5. Sep 5, 2026ea8d85b8caca●10
6. Sep 4, 2026eb12b76f5763▲17●27○22
7. Sep 3, 202679d5edfa05e3○2
8. Aug 19, 2026f66774ddecfc○4
9. Aug 14, 2026e5ddc69af941▲5●5○3
10. Aug 13, 2026d47e1d852549▲2○12

What changed

• Sep 23, 2026824e59bfac1e▲16●14○6See the full diff
  • ▲

    the messages/items/oneOf[subschema #4: AssistantMessage]/annotations/items request property type changed from object to no type

    request-property-type-changed

  • ▲

    the previous_messages/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items request property type changed from object to no type

    request-property-type-changed

  • ▲

    added FileCitation UrlCitation to the choices/items/message/annotations/anyOf[subschema #1]/items response property oneOf list for the response status 200

    response-property-one-of-added

  • ▲

    added FileCitation UrlCitation to the transcript/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items response property oneOf list for the response status 200

    response-property-one-of-added

  • ▲

    the choices/items/message/annotations/anyOf[subschema #1]/items response's property type changed from object to no type for status 200

    response-property-type-changed

  • ▲

    the transcript/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items response's property type changed from object to no type for status 200

    response-property-type-changed

  • ▲

    removed the required property choices/items/message/annotations/anyOf[subschema #1]/items/chunk_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property choices/items/message/annotations/anyOf[subschema #1]/items/file_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property choices/items/message/annotations/anyOf[subschema #1]/items/filename from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property choices/items/message/annotations/anyOf[subschema #1]/items/index from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property choices/items/message/annotations/anyOf[subschema #1]/items/store_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property transcript/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items/chunk_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property transcript/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items/file_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property transcript/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items/filename from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property transcript/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items/index from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property transcript/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items/store_id from the response with the 200 status

    response-required-property-removed

  • ●

    removed the request property messages/items/oneOf[subschema #4: AssistantMessage]/annotations/items/chunk_id

    request-property-removed

  • ●

    removed the request property messages/items/oneOf[subschema #4: AssistantMessage]/annotations/items/file_id

    request-property-removed

  • ●

    removed the request property messages/items/oneOf[subschema #4: AssistantMessage]/annotations/items/filename

    request-property-removed

  • ●

    removed the request property messages/items/oneOf[subschema #4: AssistantMessage]/annotations/items/index

    request-property-removed

  • ●

    removed the request property messages/items/oneOf[subschema #4: AssistantMessage]/annotations/items/store_id

    request-property-removed

  • ●

    removed the request property messages/items/oneOf[subschema #4: AssistantMessage]/annotations/items/type

    request-property-removed

  • ●

    removed the request property previous_messages/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items/chunk_id

    request-property-removed

  • ●

    removed the request property previous_messages/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items/file_id

    request-property-removed

  • ●

    removed the request property previous_messages/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items/filename

    request-property-removed

  • ●

    removed the request property previous_messages/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items/index

    request-property-removed

  • ●

    removed the request property previous_messages/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items/store_id

    request-property-removed

  • ●

    removed the request property previous_messages/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items/type

    request-property-removed

  • ●

    removed the optional property choices/items/message/annotations/anyOf[subschema #1]/items/type from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property transcript/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items/type from the response with the 200 status

    response-optional-property-removed

  • ○

    added discriminator to messages/items/oneOf[subschema #4: AssistantMessage]/annotations/items request property

    request-property-discriminator-added

  • ○

    added discriminator to previous_messages/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items request property

    request-property-discriminator-added

  • ○

    added FileCitation UrlCitation to the messages/items/oneOf[subschema #4: AssistantMessage]/annotations/items request property oneOf list

    request-property-one-of-added

  • ○

    added FileCitation UrlCitation to the previous_messages/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items request property oneOf list

    request-property-one-of-added

  • ○

    added discriminator to choices/items/message/annotations/anyOf[subschema #1]/items response property for the response status 200

    response-property-discriminator-added

  • ○

    added discriminator to transcript/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations/items response property for the response status 200

    response-property-discriminator-added

• Sep 15, 2026957bf8ec8df8○2See the full diff
  • ○

    added the new optional request property response_format

    new-optional-request-property

  • ○

    added the optional property choices/items/message/refusal to the response with the 200 status

    response-optional-property-added

• Sep 11, 2026ce3609b10ef1○4See the full diff
  • ○

    added the new optional request property messages/items/oneOf[subschema #4: AssistantMessage]/annotations

    new-optional-request-property

  • ○

    added the new optional request property previous_messages/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations

    new-optional-request-property

  • ○

    added the optional property choices/items/message/annotations to the response with the 200 status

    response-optional-property-added

  • ○

    added the optional property transcript/anyOf[subschema #1]/items/oneOf[subschema #4: AssistantMessage]/annotations to the response with the 200 status

    response-optional-property-added

• Sep 10, 2026adde8ecfa74f●8See the full diff
  • ●

    removed the request property tools/items/oneOf[subschema #1: SearchCorpusTool]/max_num_results

    request-property-removed

  • ●

    removed the request property tools/items/oneOf[subschema #2: GrepTool]/max_num_results

    request-property-removed

  • ●

    removed the request property tools/items/oneOf[subschema #3: FilterChunksTool]/max_num_results

    request-property-removed

  • ●

    removed the request property tools/items/oneOf[subschema #4: InspectMetadataTool]/max_values_per_field

    request-property-removed

  • ●

    removed the request property tools/items/oneOf[subschema #6: StoreSearchTool]/max_num_results

    request-property-removed

  • ●

    removed the request property tools/items/oneOf[subschema #7: StoreGrepTool]/max_num_results

    request-property-removed

  • ●

    removed the request property tools/items/oneOf[subschema #8: StoreListChunksTool]/max_num_results

    request-property-removed

  • ●

    removed the request property tools/items/oneOf[subschema #9: MetadataFacetsTool]/max_values_per_field

    request-property-removed

  This revision also has 3 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog

• Sep 5, 2026ea8d85b8caca●10See the full diff
  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #10: ListStoresCallItem]/reasoning_offset from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #1: SearchCorpusCallItem]/reasoning_offset from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #2: GrepCallItem]/reasoning_offset from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #3: FilterChunksCallItem]/reasoning_offset from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #4: InspectMetadataCallItem]/reasoning_offset from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #5: GetChunksCallItem]/reasoning_offset from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #6: StoreSearchCallItem]/reasoning_offset from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #7: StoreGrepCallItem]/reasoning_offset from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #8: StoreListChunksCallItem]/reasoning_offset from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #9: MetadataFacetsCallItem]/reasoning_offset from the response with the 200 status

    response-optional-property-removed

  This revision also has 31 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog

• Sep 4, 2026eb12b76f5763▲17●27○22See the full diff
  • ▲

    the tools/items/oneOf[subschema #1: StoreSearchTool -> subschema #6: StoreSearchTool]/max_num_results request property's max was decreased to 30.00

    request-property-max-decreased

  • ▲

    the tools/items/oneOf[subschema #2: StoreGrepTool -> subschema #7: StoreGrepTool]/max_num_results request property's max was decreased to 30.00

    request-property-max-decreased

  • ▲

    the tools/items/oneOf[subschema #3: StoreListChunksTool -> subschema #8: StoreListChunksTool]/max_num_results request property's max was decreased to 30.00

    request-property-max-decreased

  • ▲

    the tools/items/oneOf[subschema #4: MetadataFacetsTool -> subschema #9: MetadataFacetsTool]/max_values_per_field request property's max was decreased to 20.00

    request-property-max-decreased

  • ▲

    added SearchCorpusCallItem GrepCallItem FilterChunksCallItem InspectMetadataCallItem GetChunksCallItem to the hosted_tool_calls/items response property oneOf list for the response status 200

    response-property-one-of-added

  • ▲

    removed the required property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/chunk_index from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/file_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/score from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/store_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/chunk_index from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/file_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/score from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/store_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/chunk_index from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/file_id from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/score from the response with the 200 status

    response-required-property-removed

  • ▲

    removed the required property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/store_id from the response with the 200 status

    response-required-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/filename from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/generated_metadata from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/index from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/metadata from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/mime_type from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/ocr_text from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/summary from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/text from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/results/anyOf[subschema #1]/items/transcription from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/filename from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/generated_metadata from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/index from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/metadata from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/mime_type from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/ocr_text from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/summary from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/text from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/results/anyOf[subschema #1]/items/transcription from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/filename from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/generated_metadata from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/index from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/metadata from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/mime_type from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/ocr_text from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/summary from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/text from the response with the 200 status

    response-optional-property-removed

  • ●

    removed the optional property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/results/anyOf[subschema #1]/items/transcription from the response with the 200 status

    response-optional-property-removed

  • ○

    added the new optional request property context_management

    new-optional-request-property

  • ○

    added ToolChoiceSearchCorpus ToolChoiceGrep ToolChoiceFilterChunks ToolChoiceInspectMetadata to the tool_choice request property anyOf list

    request-property-any-of-added

  • ○

    the max_num_results request property default value changed from 10 to 5

    request-property-default-value-changed

  • ○

    the max_num_results request property default value changed from 30 to 10

    request-property-default-value-changed

  • ○

    the max_values_per_field request property default value changed from 5 to 8

    request-property-default-value-changed

  • ○

    request property tool_choice/anyOf[subschema #3: ToolChoiceStoreSearch -> subschema #8: ToolChoiceStoreSearch] deprecated

    request-property-deprecated

  • ○

    request property tool_choice/anyOf[subschema #5: ToolChoiceStoreGrep -> subschema #9: ToolChoiceStoreGrep] deprecated

    request-property-deprecated

  • ○

    request property tool_choice/anyOf[subschema #6: ToolChoiceStoreListChunks -> subschema #10: ToolChoiceStoreListChunks] deprecated

    request-property-deprecated

  • ○

    request property tool_choice/anyOf[subschema #7: ToolChoiceMetadataFacets -> subschema #11: ToolChoiceMetadataFacets] deprecated

    request-property-deprecated

  • ○

    request property tools/items/oneOf[subschema #1: StoreSearchTool -> subschema #6: StoreSearchTool] deprecated

    request-property-deprecated

  • ○

    request property tools/items/oneOf[subschema #2: StoreGrepTool -> subschema #7: StoreGrepTool] deprecated

    request-property-deprecated

  • ○

    request property tools/items/oneOf[subschema #3: StoreListChunksTool -> subschema #8: StoreListChunksTool] deprecated

    request-property-deprecated

  • ○

    request property tools/items/oneOf[subschema #4: MetadataFacetsTool -> subschema #9: MetadataFacetsTool] deprecated

    request-property-deprecated

  • ○

    added filter_chunks get_chunks grep inspect_metadata search_corpus discriminator mapping keys to the tools/items request property

    request-property-discriminator-mapping-added

  • ○

    added SearchCorpusTool GrepTool FilterChunksTool InspectMetadataTool GetChunksTool to the tools/items request property oneOf list

    request-property-one-of-added

  • ○

    added the optional property context_management to the response with the 200 status

    response-optional-property-added

  • ○

    added the optional property usage/anyOf[subschema #1: CompletionUsage]/completion_tokens_details to the response with the 200 status

    response-optional-property-added

  • ○

    response property hosted_tool_calls/items/oneOf[subschema #1: StoreSearchCallItem -> subschema #6: StoreSearchCallItem]/ deprecated

    response-property-deprecated

  • ○

    response property hosted_tool_calls/items/oneOf[subschema #2: StoreGrepCallItem -> subschema #7: StoreGrepCallItem]/ deprecated

    response-property-deprecated

  • ○

    response property hosted_tool_calls/items/oneOf[subschema #3: StoreListChunksCallItem -> subschema #8: StoreListChunksCallItem]/ deprecated

    response-property-deprecated

  • ○

    response property hosted_tool_calls/items/oneOf[subschema #4: MetadataFacetsCallItem -> subschema #9: MetadataFacetsCallItem]/ deprecated

    response-property-deprecated

  • ○

    added filter_chunks_call get_chunks_call grep_call inspect_metadata_call search_corpus_call discriminator mapping keys to the hosted_tool_calls/items response property for the response status 200

    response-property-discriminator-mapping-added

  This revision also has 2 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog

• Sep 3, 202679d5edfa05e3○2See the full diff
  • ○

    request property previous_messages deprecated

    request-property-deprecated

  • ○

    request property terminal_tool_name deprecated

    request-property-deprecated

• Aug 19, 2026f66774ddecfc○4See the full diff
  • ○

    added the new optional request property messages/items/oneOf[subschema #4: AssistantMessage]/reasoning_content

    new-optional-request-property

  • ○

    added the new optional request property previous_messages

    new-optional-request-property

  • ○

    added the new optional request property terminal_tool_name

    new-optional-request-property

  • ○

    added the optional property transcript to the response with the 200 status

    response-optional-property-added

• Aug 14, 2026e5ddc69af941▲5●5○3See the full diff
  • ▲

    request property model list-of-types was narrowed by removing types null from media type application/json

    request-property-list-of-types-narrowed

  • ▲

    the tools/items/oneOf[subschema #1: StoreSearchTool]/store_identifiers/anyOf[subschema #1] request property's minItems was increased to 1

    request-property-min-items-increased

  • ▲

    the tools/items/oneOf[subschema #2: StoreGrepTool]/store_identifiers/anyOf[subschema #1] request property's minItems was increased to 1

    request-property-min-items-increased

  • ▲

    the tools/items/oneOf[subschema #3: StoreListChunksTool]/store_identifiers/anyOf[subschema #1] request property's minItems was increased to 1

    request-property-min-items-increased

  • ▲

    the tools/items/oneOf[subschema #4: MetadataFacetsTool]/store_identifiers/anyOf[subschema #1] request property's minItems was increased to 1

    request-property-min-items-increased

  • ●

    removed the request property tools/items/oneOf[subschema #1: StoreSearchTool]/enabled

    request-property-removed

  • ●

    removed the request property tools/items/oneOf[subschema #2: StoreGrepTool]/enabled

    request-property-removed

  • ●

    removed the request property tools/items/oneOf[subschema #3: StoreListChunksTool]/enabled

    request-property-removed

  • ●

    removed the request property tools/items/oneOf[subschema #4: MetadataFacetsTool]/enabled

    request-property-removed

  • ●

    removed the request property tools/items/oneOf[subschema #5: ListStoresTool]/enabled

    request-property-removed

  • ○

    the model request property default value toast-1 was added

    request-property-default-value-added

  • ○

    added the optional property tool_tickets to the response with the 200 status

    response-optional-property-added

  • ○

    added the optional property usage/anyOf[subschema #1: CompletionUsage]/prompt_tokens_details to the response with the 200 status

    response-optional-property-added

• Aug 13, 2026d47e1d852549▲2○12See the full diff
  • ▲

    added required request body

    request-body-added-required

  • ▲

    the response's body type changed from no type to object for status 200

    response-body-type-changed

  • ○

    api tag chat added

    api-tag-added

  • ○

    api tag completions removed

    api-tag-removed

  • ○

    added the non-success response with the status 422

    response-non-success-status-added

  • ○

    added the optional property hosted_tool_calls to the response with the 200 status

    response-optional-property-added

  • ○

    added the optional property metadata to the response with the 200 status

    response-optional-property-added

  • ○

    added the optional property object to the response with the 200 status

    response-optional-property-added

  • ○

    added the optional property title to the response with the 200 status

    response-optional-property-added

  • ○

    added the optional property usage to the response with the 200 status

    response-optional-property-added

  • ○

    added the required property choices to the response with the 200 status

    response-required-property-added

  • ○

    added the required property created to the response with the 200 status

    response-required-property-added

  • ○

    added the required property id to the response with the 200 status

    response-required-property-added

  • ○

    added the required property model to the response with the 200 status

    response-required-property-added

  This revision also has 35 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog