OpenAI: gpt-oss-120b
openai/gpt-oss-120b
Price Published
- Input
- $0.04 per million tokens
- Output
- $0.17 per million tokens
Optional features and fallback routes can cost extra. Confirm current terms with the provider.
Specifications Published
- Context window
- 131,072 tokens
- Max output
- 117,964 tokens
- Tool calling
- Supported
- Vision input
- Not listed
- Reasoning
- Supported
- Knowledge cutoff
- Jun 30, 2024
- Listed since
- Aug 5, 2025
Measured by the Club Signed cheapoS reports
Not yet observed No signed request reports for this exact route yet. Missing reports aren't a failure or a zero.
How we measure · Reports come from cheapoS members who share model details.
Benchmarks Artificial Analysis via OpenRouter
- Intelligence index
- 11.6
- Coding index
- 30.4
- Agentic index
- 3.7
Scores from Artificial Analysis, as distributed in the OpenRouter catalog. They measure test suites, not request reliability on real work.
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openai/gpt-oss-120bas a worker or reviewer, and start with a small task you can check.
About this model OpenRouter description
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...
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Catalog data from the OpenRouter model catalog, retrieved Sep 29, 2026, 12:37 PM UTC. A listing isn't a live availability check.