OpenAI: gpt-oss-120b
openai/gpt-oss-120b
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...
Modalities
In / Out Price
$0.037 / $0.17 per 1M
Context
131K
Released
Aug 5, 2025
Knowledge Cutoff
Jun 2024
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