TAU2
Measured May 14, 2026Source
Score
0.5
Models13 0 
OpenAI
gpt-oss-20B (low)
OpenAIOpenAIUnited States
Based on its naming, this appears to be a 20-billion parameter open-source model variant optimized for low-resource or cost-efficient deployment. It is likely part of a community or third-party series inspired by GPT architectures, rather than an official OpenAI release.
FastCheap
Input / 1M tokens
$0.06Output / 1M tokens
$0.20Output tokens/s
275.47First-token seconds
0.41sSupported plans
0Benchmark history
Evaluations
Terminalbench Hard
Measured May 14, 2026Source
Score
0.05
Lcr
Measured May 14, 2026Source
Score
0.31
Ifbench
Measured May 14, 2026Source
Score
0.58
Aime 25
Measured May 14, 2026Source
Score
0.62
Scicode
Measured May 14, 2026Source
Score
0.34
Livecodebench
Measured May 14, 2026Source
Score
0.65
Hle
Measured May 14, 2026Source
Score
0.05
Gpqa
Measured May 14, 2026Source
Score
0.61
Mmlu Pro
Measured May 14, 2026Source
Score
0.72
Artificial Analysis Math Index
Measured May 14, 2026Source
Score
62.3
Artificial Analysis Coding Index
Measured May 14, 2026Source
Score
14.4
Artificial Analysis Intelligence Index
Measured May 14, 2026Source
Score
20.8
Plan availability
Products and plans that support this model
No products or plans have been linked to this model yet.
Discussion
Thinking... Make sure you are connected to GitHub server