gpt-oss-120b
OpenAIOpen weights
gpt-oss-120b by OpenAI costs — per 1M input tokens and — per 1M output tokens, with a —-token context window.
Pricing
Input (per 1M tokens)
—
Output (per 1M tokens)
—
Cached input (per 1M)
—
Specifications
- Provider
- OpenAI
- Context window
- —
- Parameters
- 117B
- Released
- Aug 2025
- Open weights
- Yes
- Frontier model
- No
Benchmarks
- LiveBenchreasoning/coding
- 46.4
- SWE-bench Verifiedcoding
- 26.0
- Aider Polyglotcoding
- 41.8
- LMArena (Chatbot Arena) Elohuman-preference
- 1365.5
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FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.