gpt-oss-120b
Open weights
GPT-Oss 120b is an AI model from OpenAI, released with open weights.
- Publisher
- OpenAI
- Family
- GPT
- Context
- 131K
- Input
- Output
- License
- apache-2.0
- Released
- 5 Aug 2025
Cite
Notes
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Context
131K
Input
$0.15
/1M tok
Output
$0.60
/1M tok
Blended
$0.26
#250/ 461/1M · 3:1
Speed
179
#22/ 461tok/s
Cache read
$0.03
0.20x input
Price & speed via Artificial Analysis · ranked across tracked models · caching via OpenRouter
| Reasoning effort | Index | Price | Speed |
|---|---|---|---|
| high | 24.1 | $0.26 | 179 t/s |
| low | 14.9 | $0.26 | 202 t/s |
Intelligence Index per reasoning-effort setting, via Artificial Analysis
Reported on 31 evals across 9 domains - best 97.9% on Spam Detection RL Environment · #2 of 2
Reported eval scores
31Mastermind1.6
Backend Bench38.9
Mastermind1.5
LiveCodeBench70.7
IFBench58.3
LiveBench - Math68.9
MMLU-Pro77.5