---
title: "Supported Openai Params"
method: GET
path: "/utils/supported_openai_params"
tags: ["llm utils"]
---

# Supported Openai Params

`GET /utils/supported_openai_params`

Returns supported openai params for a given litellm model name

e.g. `gpt-4` vs `gpt-3.5-turbo`

Example curl:
```
curl -X GET --location 'http://localhost:4000/utils/supported_openai_params?model=gpt-3.5-turbo-16k'         --header 'Authorization: Bearer sk-1234'
```

## Query parameters

- `model` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

## Changes

- **2026-09-18** `082b5fabd909` — 2 info
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status

[Change history](https://skmtc.dev/flock/apis/litellm-api/changes/utils/supported_openai_params/get.md)

---

[API](https://skmtc.dev/flock/apis/litellm-api.md) · [All operations](https://skmtc.dev/flock/apis/litellm-api/llms.txt) · [OpenAPI document](https://skmtc.dev/flock/apis/litellm-api/revisions/3b2b241e4b0b?raw)