GPT OSS 120B
Zero-eval
#1CodeForces
#1HealthBench
#1HealthBench Hard
by OpenAI
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About
GPT-OSS 120B was developed as an open-source model release from OpenAI, designed to provide the research and developer community with access to a capable language model. Built with 120 billion parameters, it enables experimentation, fine-tuning, and deployment in contexts where open-source licensing and transparency are valued.
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Pricing Range
Input (per 1M)$0.09 -$0.15
Output (per 1M)$0.45 -$0.60
Providers5
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Timeline
AnnouncedAug 5, 2025
ReleasedAug 5, 2025
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License & Family
License
Apache 2.0
Performance Overview
Performance metrics and category breakdown
Overall Performance
7 benchmarks
Average Score
61.7%
Best Score
90.0%
High Performers (80%+)
3Performance Metrics
Max Context Window
262.1KAvg Throughput
371.7 tok/sAvg Latency
2ms+
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All Benchmark Results for GPT OSS 120B
Complete list of benchmark scores with detailed information
| MMLU | text | 0.90 | 90.0% | Self-reported | |
| CodeForces | text | 0.87 | 87.4% | Self-reported | |
| GPQA | text | 0.80 | 80.1% | Self-reported | |
| TAU-bench Retail | text | 0.68 | 67.8% | Self-reported | |
| HealthBench | text | 0.58 | 57.6% | Self-reported | |
| HealthBench Hard | text | 0.30 | 30.0% | Self-reported | |
| Humanity's Last Exam | multimodal | 0.19 | 19.0% | Self-reported |
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