# GPT-OSS (OpenAI)

OpenAI's Apache-2.0 open-weight reasoning models (120B and 20B). GPT-OSS (OpenAI) is free, with no paid plan attached, at openai.com.

## Facts

- **Pricing tier:** Free
- **Works on:** Self-hosted, API
- **Works in browser:** No

## Capabilities

- OpenAI's Apache-2.0 open-weight reasoning models (120B and 20B)
- Run locally or self-host, with configurable reasoning effort
- Safeguard variants for policy-based content classification

## FAQ

### What is GPT-OSS (OpenAI)?

GPT-OSS (OpenAI) is listed under Notable Open Models, in the AI Models & Local Execution category on Flocci AI Tools. OpenAI's Apache-2.0 open-weight reasoning models (120B and 20B). It is free, with no paid plan attached, and it lives at openai.com.

### Is GPT-OSS (OpenAI) free?

GPT-OSS (OpenAI) is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 396 entries on Flocci AI Tools with no upgrade path built in.

### Can I use GPT-OSS (OpenAI) in a browser, or is there an app?

GPT-OSS (OpenAI) needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on self-hosting and an API.

### What can GPT-OSS (OpenAI) do?

GPT-OSS (OpenAI) does 3 things the catalog singles out: Openai's apache-2.0 open-weight reasoning models (120b and 20b); run locally or self-host, with configurable reasoning effort; safeguard variants for policy-based content classification.

### What is the best free alternative to GPT-OSS (OpenAI)?

DeepSeek Models is the closest free alternative: it sits in the same Notable Open Models sub-category and is free. ERNIE 4.5 Open Models (Baidu), Falcon (TII) and Hunyuan (Tencent) also start free. The full list is on the alternatives page.

## Related

- [GPT-OSS (OpenAI) alternatives](https://aitools.flocci.in/alternatives/gpt-oss-openai)
- [Notable Open Models](https://aitools.flocci.in/category/ai-models-local-execution/notable-open-models)
- [Best free open-weight AI models](https://aitools.flocci.in/best/best-notable-open-models)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/gpt-oss-openai

Facts last verified: October 2026