AI Models & Assistants / Knowledge library
gpt-oss-120b
Most powerful open-weight model, fits into an H100 GPU
Why learn gpt-oss-120b?
Offers the documented OpenAI model capabilities through open weights.
The problem it solves
Provides model inference for supported text inputs.
Where it came from
gpt-oss-120b: Most powerful open-weight model, fits into an H100 GPU Published aliases: gpt-oss-120b. Input: text. Output: text. Checked 2026-10-13. Model capabilities are distinct from tools available in a particular agent.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Explain what gpt-oss-120b does.
- Identify a use case for gpt-oss-120b.
- Describe a limitation of gpt-oss-120b.
- Name a compatible tool for gpt-oss-120b.
- Compare gpt-oss-120b against an alternative.
Documentation and sources
- Primary source / model card (developers.openai.com)
Catalog research notes
- See the AI Workbench for source dates, pricing evidence and configuration details.