GPT-OSS Models

Browse and run open-source AI models locally on your own hardware — no API keys, no cloud, no usage limits. Fully private, works offline, and free forever.

GPT-OSS running in Atomic Chat
Qwen3.6 27B MTP
27B
No models found
Reasoning
Code
Multilingual
Web
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gpt-oss-120b

Run gpt-oss-120b, OpenAI's open 120B model, locally with Atomic Chat. Private, offline, with no API keys or usage limits. Download free.

Tools
Thinking
Reasoning
Code
gpt-oss-20b

Run gpt-oss-20b, OpenAI's open 20B model, locally with Atomic Chat. Private, offline inference on your own hardware. Download free.

Tools
Thinking
Reasoning
Code