---
title: "Changes to Create run"
method: POST
path: "/threads/{thread_id}/runs"
---

# Changes to Create run

`POST /threads/{thread_id}/runs`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 88 revisions.

- **2026-10-06** `487892d3954e`: 2 info
- **2026-10-05** `7f654af7f94f`: 59 breaking, 3 warning, 19 info

## Changes

- **2026-10-06** `487892d3954e`: 2 info
  - added the optional property `error/misalignment/review_target` to the response with the `429` status
  - added the optional property `oneOf[#/components/schemas/ErrorEvent]/data/misalignment/review_target` to the response with the `200` status
- **2026-10-05** `7f654af7f94f`: 59 breaking, 3 warning, 19 info
  - added `#/components/schemas/AssistantsApiToolChoiceOption, subschema #2` to the `tool_choice` request property `allOf` list
  - added `#/components/schemas/TruncationObject, subschema #2` to the `truncation_strategy` request property `allOf` list
  - the request property `additional_instructions` became not nullable
  - the request property `additional_messages` became not nullable
  - the request property `additional_messages/items/attachments` became not nullable
  - the request property `additional_messages/items/metadata` became not nullable
  - the request property `instructions` became not nullable
  - the request property `max_completion_tokens` became not nullable
  - the request property `max_prompt_tokens` became not nullable
  - the request property `metadata` became not nullable
  - the request property `model` became not nullable
  - the request property `response_format/oneOf[#/components/schemas/ResponseFormatJsonSchema -> subschema #4: JSON schema]/json_schema/strict` became not nullable
  - the request property `stream` became not nullable
  - the request property `temperature` became not nullable
  - the request property `tool_choice` became not nullable
  - the request property `tools` became not nullable
  - the request property `tools/items/oneOf[subschema #3: Function tool]/function/strict` became not nullable
  - the request property `top_p` became not nullable
  - the request property `truncation_strategy` became not nullable
  - removed the enum value `gpt-3.5-turbo` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-3.5-turbo-0125` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-3.5-turbo-0613` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-3.5-turbo-1106` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-3.5-turbo-16k` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-3.5-turbo-16k-0613` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4-0125-preview` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4-0314` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4-0613` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4-1106-preview` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4-32k` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4-32k-0314` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4-32k-0613` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4-turbo` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4-turbo-2024-04-09` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4-turbo-preview` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4-vision-preview` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4o` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4o-2024-05-13` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - removed the enum value `gpt-4o-2024-08-06` of the request property `model/anyOf[subschema #2 -> subschema #3]/`
  - …41 more

---

[Operation](https://skmtc.dev/omnistack-sh/apis/openai-api/docs/threads/:thread_id/runs/post.md) - [API](https://skmtc.dev/omnistack-sh/apis/openai-api.md) - [Page](https://skmtc.dev/omnistack-sh/apis/openai-api/changes/threads/:thread_id/runs/post)