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OpenAI · model release · downloadable model

gpt-oss open-weight models

OpenAI publishes two language models that anyone can download and run on their own computers.

In detail

OpenAI released gpt-oss-120b and gpt-oss-20b, two open-weight reasoning models under the Apache 2.0 licence. The larger runs on a single 80 GB GPU; the smaller can run on devices with 16 GB of memory.

Sources

  1. Introducing gpt-oss · OpenAI · Primary source

Last checked 11 November 2026.