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gpt-oss-120b

OpenAI·Operational·Released 2025-08-05text
Context131.072k
Max output131.072k
Input / 1M-
Output / 1M-
Cached in-
Benchmarks6

Benchmarks

Cited public sources · rank is exact-benchmark, apples-to-apples

AIME 2025 (MathArena)#9/2390% ↗
GPQA Diamond (Epoch AI run)#60/7775.8% ↗
OTIS Mock AIME 2024-2025 (Epoch AI run)#35/7688.9% ↗
LMArena Elo#52/621365.9 ↗
GPQA Diamond#45/7080.1% ↗
SWE-bench Verified#35/4562.4% ↗

Compare

vs GPT-6 Astravs GPT-5.6 Solvs GPT-5.6 Terravs GPT-5.6 Lunavs Claude Fable 5.1vs Claude Opus 5vs Claude Sonnet 5vs Claude Haiku 4.5

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