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

# Changes to POST /v1/chat/completions

`POST /v1/chat/completions`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `cc8b07d75689`: 2 breaking, 9 info

## Changes

- **2026-11-03** `cc8b07d75689`: 2 breaking, 9 info
  - added `subschema #1` to the `messages/items/` request property `allOf` list
  - the `repetition_penalty` request property's min was increased to `0.00`
  - added the new optional request property `max_tool_calls`
  - added the new optional request property `messages/items/configuration_update`
  - added the new optional request property `web_search`
  - added the new optional request property `web_search_options`
  - the request property `messages/items/content` became optional
  - the `repetition_penalty` request property default value `1` was added
  - added the new `developer` enum value to the request property `messages/items/role`
  - added the new `fast` enum value to the request property `service_tier`
  - request property `messages/items/content` list-of-types was widened by adding types `null` to media type `application/json`

---

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