GPT-OSS-120B
OpenAI's first open-weight model release since GPT-2, matching o4-mini on many reasoning benchmarks
Free
Reasoning
128000
context tokens
117B
parameters
Apache 2.0
license
Aug 2025
released
// about GPT-OSS-120B
OpenAI's first open-weight model release since GPT-2, matching o4-mini on many reasoning benchmarks
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