gpt-oss-120b
Open Sourceby OpenAI 路 Released 2025-08-05
38.2
avg score
$0.04/1M
Input Price
$0.19/1M
Output Price
131K tokens (~66 books)
Context Window
text
Type
Tested on 12 benchmarks with 38.2% average. Top scores: OTIS Mock AIME 2024-2025 (88.9%), Lech Mazur Writing (77.3%), GPQA diamond (67.7%).
Benchmark Scores
| Benchmark | Category | Score | Bar |
|---|---|---|---|
| OTIS Mock AIME 2024-2025 | math | 88.9 | |
| Lech Mazur Writing | knowledge | 77.3 | |
| GPQA diamond | knowledge | 67.7 | |
| WeirdML | coding | 48.2 | |
| Fiction.LiveBench | knowledge | 44.4 | |
| Aider polyglot | coding | 41.8 | |
| SWE-Bench Verified (Bash Only) | coding | 26.0 | |
| Chess Puzzles | knowledge | 20.0 | |
| Terminal Bench | coding | 18.7 | |
| SimpleQA Verified | knowledge | 13.9 | |
| SimpleBench | reasoning | 6.5 | |
| APEX-Agents | agentic | 4.7 |