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GPT-OSS

OpenAIUnited StatesOpen + closedOpen weightsapache-2.0text

OpenAI's open-weight models (Apache-2.0).

Release history (2)

  1. gpt-oss-20b
    stableAug 5, 2025
    openai/gpt-oss-20b20B params

    Apache-2.0 open weights.

  2. gpt-oss-120b
    Current stableCutting edgestableAug 5, 2025
    openai/gpt-oss-120b120B params

    Apache-2.0 open weights, MoE.

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