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gpt-oss-20B (high)

Developed by OpenAI

API Pricing (per 1M tokens)

Input$0.07
Output$0.23

Intelligence Benchmarks

MMLU Pro74.8%
GPQA68.8%
Intelligence Index24.5
LivebenchN/A

Technical Specifications

Context Window131K Tokens
Vision SupportNo
Tokens per Second310
Time to First Token (s)0.48
Modalities
text->text
gpt-oss-20B (high) Pricing, Context Window, and Benchmarks 2026