gpt-oss

OpenAI · gpt-oss line · lightweight · open weights

Released August 5, 2025Latest in the line

gpt-oss was released by OpenAI on August 5, 2025, as an open-weights lightweight model in the gpt-oss line.

  • Release 1 of 1 in the gpt-oss line.
  • The first release in this line.
  • Still the newest model in the line.

No detailed card for this model: we only add numbers published by the maker or by independent benchmarks. Sources: OpenAI · OpenAI on Hugging Face · TechCrunch

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Where the gpt-oss line stands

gpt-oss is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.

Every gpt-oss release

Newest first. See the full line with every card →

  1. Aug 5, 2025gpt-oss · this page