---
title: "Changes to Create a chat completion"
method: POST
path: "/v1/chat/completions"
---

# Changes to Create a chat completion

`POST /v1/chat/completions`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 9 of 102 revisions.

- **2026-10-03** `5a14c9087862`: 2 info
- **2026-09-20** `256288856d34`: 3 info
- **2026-09-07** `6d038b14f291`: 8 warning
- **2026-09-04** `332405636902`: 3 info
- **2026-09-03** `0ccfb40e9d1a`: 8 warning
- **2026-08-22** `496ff50bdfef`: 8 info
- **2026-07-21** `a807d76b5ae5`: 2 info
- **2026-06-08** `8c7901df38df`: 3 info
- **2026-04-19** `1a90f5d80e5a`: 48 warning, 8 info

## Changes

- **2026-10-03** `5a14c9087862`: 2 info
  - added the optional property `usage/prompt_tokens_details/cache_write_tokens` to the response with the `200` status (media type: application/json)
  - added the optional property `usage/prompt_tokens_details/cache_write_tokens` to the response with the `200` status (media type: text/event-stream)
- **2026-09-20** `256288856d34`: 3 info
  - added the new optional request property `messages/items/content/items/video_url`
  - added the optional property `choices/items/message/content/items/video_url` to the response with the `200` status (media type: application/json)
  - added the optional property `choices/items/message/content/items/video_url` to the response with the `200` status (media type: text/event-stream)
- **2026-09-07** `6d038b14f291`: 8 warning
  - added the new `internal_error` enum value to the `error/type` response property for the response status `400` (media type: application/json)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `400` (media type: text/event-stream)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `401` (media type: application/json)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `401` (media type: text/event-stream)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `429` (media type: application/json)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `429` (media type: text/event-stream)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `502` (media type: application/json)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `502` (media type: text/event-stream)
- **2026-09-04** `332405636902`: 3 info
  - added the new optional request property `messages/items/content/items/file`
  - added the optional property `choices/items/message/content/items/file` to the response with the `200` status (media type: application/json)
  - added the optional property `choices/items/message/content/items/file` to the response with the `200` status (media type: text/event-stream)
- **2026-09-03** `0ccfb40e9d1a`: 8 warning
  - added the new `permission_error` enum value to the `error/type` response property for the response status `400` (media type: application/json)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `400` (media type: text/event-stream)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `401` (media type: application/json)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `401` (media type: text/event-stream)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `429` (media type: application/json)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `429` (media type: text/event-stream)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `502` (media type: application/json)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `502` (media type: text/event-stream)
- **2026-08-22** `496ff50bdfef`: 8 info
  - added the optional property `error/provider` to the response with the `400` status (media type: application/json)
  - added the optional property `error/provider` to the response with the `400` status (media type: text/event-stream)
  - added the optional property `error/provider` to the response with the `401` status (media type: application/json)
  - added the optional property `error/provider` to the response with the `401` status (media type: text/event-stream)
  - added the optional property `error/provider` to the response with the `429` status (media type: application/json)
  - added the optional property `error/provider` to the response with the `429` status (media type: text/event-stream)
  - added the optional property `error/provider` to the response with the `502` status (media type: application/json)
  - added the optional property `error/provider` to the response with the `502` status (media type: text/event-stream)
- **2026-07-21** `a807d76b5ae5`: 2 info
  - added the optional property `choices/items/stop_sequence` to the response with the `200` status (media type: application/json)
  - added the optional property `choices/items/stop_sequence` to the response with the `200` status (media type: text/event-stream)
- **2026-06-08** `8c7901df38df`: 3 info
  - added the new optional request property `service_tier`
  - added the new optional request property `top_p`
  - added the new optional request property `user`
- **2026-04-19** `1a90f5d80e5a`: 48 warning, 8 info
  - removed the optional property `code` from the response with the `400` status (media type: application/json)
  - removed the optional property `code` from the response with the `400` status (media type: text/event-stream)
  - removed the optional property `code` from the response with the `401` status (media type: application/json)
  - removed the optional property `code` from the response with the `401` status (media type: text/event-stream)
  - removed the optional property `code` from the response with the `429` status (media type: application/json)
  - removed the optional property `code` from the response with the `429` status (media type: text/event-stream)
  - removed the optional property `code` from the response with the `502` status (media type: application/json)
  - removed the optional property `code` from the response with the `502` status (media type: text/event-stream)
  - removed the optional property `message` from the response with the `400` status (media type: application/json)
  - removed the optional property `message` from the response with the `400` status (media type: text/event-stream)
  - removed the optional property `message` from the response with the `401` status (media type: application/json)
  - removed the optional property `message` from the response with the `401` status (media type: text/event-stream)
  - removed the optional property `message` from the response with the `429` status (media type: application/json)
  - removed the optional property `message` from the response with the `429` status (media type: text/event-stream)
  - removed the optional property `message` from the response with the `502` status (media type: application/json)
  - removed the optional property `message` from the response with the `502` status (media type: text/event-stream)
  - removed the optional property `param` from the response with the `400` status (media type: application/json)
  - removed the optional property `param` from the response with the `400` status (media type: text/event-stream)
  - removed the optional property `param` from the response with the `401` status (media type: application/json)
  - removed the optional property `param` from the response with the `401` status (media type: text/event-stream)
  - removed the optional property `param` from the response with the `429` status (media type: application/json)
  - removed the optional property `param` from the response with the `429` status (media type: text/event-stream)
  - removed the optional property `param` from the response with the `502` status (media type: application/json)
  - removed the optional property `param` from the response with the `502` status (media type: text/event-stream)
  - removed the optional property `provider` from the response with the `400` status (media type: application/json)
  - removed the optional property `provider` from the response with the `400` status (media type: text/event-stream)
  - removed the optional property `provider` from the response with the `401` status (media type: application/json)
  - removed the optional property `provider` from the response with the `401` status (media type: text/event-stream)
  - removed the optional property `provider` from the response with the `429` status (media type: application/json)
  - removed the optional property `provider` from the response with the `429` status (media type: text/event-stream)
  - removed the optional property `provider` from the response with the `502` status (media type: application/json)
  - removed the optional property `provider` from the response with the `502` status (media type: text/event-stream)
  - removed the optional property `status_code` from the response with the `400` status (media type: application/json)
  - removed the optional property `status_code` from the response with the `400` status (media type: text/event-stream)
  - removed the optional property `status_code` from the response with the `401` status (media type: application/json)
  - removed the optional property `status_code` from the response with the `401` status (media type: text/event-stream)
  - removed the optional property `status_code` from the response with the `429` status (media type: application/json)
  - removed the optional property `status_code` from the response with the `429` status (media type: text/event-stream)
  - removed the optional property `status_code` from the response with the `502` status (media type: application/json)
  - removed the optional property `status_code` from the response with the `502` status (media type: text/event-stream)
  - …16 more

---

[Operation](https://skmtc.dev/enterpilot/apis/gomodel-api/docs/v1/chat/completions/post.md) - [API](https://skmtc.dev/enterpilot/apis/gomodel-api.md) - [Page](https://skmtc.dev/enterpilot/apis/gomodel-api/changes/v1/chat/completions/post)