gpt-oss

OpenAI · Aug 2025 · a release name for two models — this URL points onward

gpt-oss was the release, not the model: OpenAI shipped two open-weight models under the name on 5 August 2025, and each has its own page — gpt-oss-120b (~117B MoE, o4-mini-class, 80GB-GPU tier) and gpt-oss-20b (~21B MoE, o3-mini-class, 16GB tier).

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