OpenAI: gpt-oss-120b
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-re…
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Open / InstallLast updated July 27, 2026
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...
Author
openai
Platform
api
Pricing model
paid
Categories
Research
Tags
openrouter
llm
openai
text
Capabilities
- 131,072 token context