ReleaseOpenAIOpenAIpublished Jan 13, 2026seen 5d

openai/gpt-oss v0.0.9

openai/gpt-oss

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v0.0.9

Repository: openai/gpt-oss

Tag: v0.0.9

Published: 2026-01-13T19:03:30Z

Prerelease: no

Release notes:

What's Changed

  • Add the official AWS launch blog post and reformat the AWS section to awesome-gpt-oss.md by @neoremind in https://github.com/openai/gpt-oss/pull/197
  • Metal: simplify Model type check in Python wrapper by @Maratyszcza in https://github.com/openai/gpt-oss/pull/202
  • Metal: move max_batch_tokens from Model into Context by @Maratyszcza in https://github.com/openai/gpt-oss/pull/201
  • GPT-OSS Reinforcement Finetuning Example by @danielhanchen in https://github.com/openai/gpt-oss/pull/208
  • add stateful jupyter notebook option and make browser more reliable by @dkundel-openai in https://github.com/openai/gpt-oss/pull/199
  • Removing GPU-CPU sync during MoE MLP in Prefill by @ibahmed-oai in https://github.com/openai/gpt-oss/pull/218
  • Eliding copying the KV after RoPE to the KV cache during prefill by @ibahmed-oai in https://github.com/openai/gpt-oss/pull/221
  • fix: remove duplicated variable causing Metal build failure by @hukurou0 in https://github.com/openai/gpt-oss/pull/220
  • Add user-agent to headers for tracking by @smboy in https://github.com/openai/gpt-oss/pull/235

New Contributors

  • @neoremind made their first contribution in https://github.com/openai/gpt-oss/pull/197
  • @danielhanchen made their first contribution in https://github.com/openai/gpt-oss/pull/208
  • @hukurou0 made their first contribution in https://github.com/openai/gpt-oss/pull/220
  • @smboy made their first contribution in https://github.com/openai/gpt-oss/pull/235

Full Changelog: https://github.com/openai/gpt-oss/compare/v0.0.8...v0.0.9

Notability

notability 8.0/10

OpenAI release of GPT open-source project, notable but early version