gpt-oss-20b
LatestOpenAI
•
Open Source•
20B# 2
Released
Aug 5, 2025
Benchmarks
# 23
Svelte Bench
20.0%
# 32
GPQA Diamond
71.5%
# 5
AIME 2025 I & II
98.7%
# 13
Humanity Last Exam
17.3%
# 24
MMLU
85.3%
# 2
AIME 2024
96.0%
Pricing
# 10
Input Cost /M
$0.1
# 14
Output Cost /M
$0.5