---
title: OpenAI open models now available on Workers AI
description: Partnering with OpenAI as a Day 0 launch partner to bring you 2 new open models on Workers AI
image: https://developers.cloudflare.com/changelog-preview.png
---

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## OpenAI open models now available on Workers AI

Aug 05, 2025 

[ Agents ](https://developers.cloudflare.com/agents/)[ Workers AI ](https://developers.cloudflare.com/workers-ai/) 

We're thrilled to be a Day 0 partner with [OpenAI ↗](http://openai.com/index/introducing-gpt-oss) to bring their [latest open models ↗](https://openai.com/index/gpt-oss-model-card/) to Workers AI, including support for Responses API, Code Interpreter, and Web Search (coming soon).

Get started with the new models at `@cf/openai/gpt-oss-120b` and `@cf/openai/gpt-oss-20b`. Check out the [blog ↗](https://blog.cloudflare.com/openai-gpt-oss-on-workers-ai) for more details about the new models, and the [gpt-oss-120b](https://developers.cloudflare.com/workers-ai/models/gpt-oss-120b) and [gpt-oss-20b](https://developers.cloudflare.com/workers-ai/models/gpt-oss-20b) model pages for more information about pricing and context windows.

#### Responses API

If you call the model through:

* Workers Binding, it will accept/return Responses API – `env.AI.run(“@cf/openai/gpt-oss-120b”)`
* REST API on `/run` endpoint, it will accept/return Responses API – `https://api.cloudflare.com/client/v4/accounts/<account_id>/ai/run/@cf/openai/gpt-oss-120b`
* REST API on new `/responses` endpoint, it will accept/return Responses API – `https://api.cloudflare.com/client/v4/accounts/<account_id>/ai/v1/responses`
* REST API for OpenAI Compatible endpoint, it will return Chat Completions (coming soon) – `https://api.cloudflare.com/client/v4/accounts/<account_id>/ai/v1/chat/completions`

```

curl https://api.cloudflare.com/client/v4/accounts/<account_id>/ai/v1/responses \

  -H "Content-Type: application/json" \

  -H "Authorization: Bearer $CLOUDFLARE_API_KEY" \

  -d '{

    "model": "@cf/openai/gpt-oss-120b",

    "reasoning": {"effort": "medium"},

    "input": [

      {

        "role": "user",

        "content": "What are the benefits of open-source models?"

      }

    ]

  }'


```

Explain Code

#### Code Interpreter

The model is natively trained to support stateful code execution, and we've implemented support for this feature using our [Sandbox SDK ↗](https://github.com/cloudflare/sandbox-sdk) and [Containers ↗](https://blog.cloudflare.com/containers-are-available-in-public-beta-for-simple-global-and-programmable/). Cloudflare's Developer Platform is uniquely positioned to support this feature, so we're very excited to bring our products together to support this new use case.

#### Web Search (coming soon)

We are working to implement Web Search for the model, where users can bring their own Exa API Key so the model can browse the Internet.