OpenAI

gpt-oss-20b (low)

OpenAIUnited 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

$0.06

Output / 1M tokens

$0.20

Output tokens/s

236.93

First-token seconds

0.46s

Supported plans

Benchmark history

Evaluations

TAU2

Measured Jul 10, 2026Source

Score

0.5

Terminalbench Hard

Measured Jul 10, 2026Source

Score

0.05

Lcr

Measured Jul 10, 2026Source

Score

0.31

Ifbench

Measured Jul 10, 2026Source

Score

0.58

Aime 25

Measured Jul 10, 2026Source

Score

0.62

Scicode

Measured Jul 10, 2026Source

Score

0.34

Livecodebench

Measured Jul 10, 2026Source

Score

0.65

Hle

Measured Jul 10, 2026Source

Score

0.05

Gpqa

Measured Jul 10, 2026Source

Score

0.61

Mmlu Pro

Measured Jul 10, 2026Source

Score

0.72

Artificial Analysis Math Index

Measured Jul 10, 2026Source

Score

62.3

Artificial Analysis Intelligence Index

Measured Jul 10, 2026Source

Score

14.3

Plan availability

Products and plans that support this model

No products or plans have been linked to this model yet.

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Discussion

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