OpenAI00:00AvailabilityOfficial Blog
gpt-oss-120b Open Weights Released
Run powerful models on your own hardware cost-effectively.
Key Points
- 1120B/20B params, MoE architecture.
- 2Fits on H100 GPU.
- 3Fine-tunable locally.
- 4First open weights since GPT-2.
OpenAI released gpt-oss-120b/20b under Apache 2.0. Runs on single GPU for local/edge use, enabling easy customization.