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Claude 4.5 Sonnet (Reasoning) vs Seed-OSS-36B-Instruct

Anthropic vs ByteDance Seed — side-by-side benchmark comparison

Claude 4.5 Sonnet (Reasoning)Seed-OSS-36B-Instruct
Intelligence Index43.025.2
Coding Index38.616.7
Math Index88.084.7
Output speed (tok/s)55.044.4
Blended price ($/1M)$6.56$0.30
Time to first token (s)7.02s1.88s
aime
aime 2588.0%84.7%
artificial analysis coding index38.6016.70
artificial analysis intelligence index43.0025.20
artificial analysis math index88.0084.70
gpqa83.4%72.6%
hle17.3%9.1%
ifbench57.3%41.9%
lcr65.7%57.7%
livecodebench71.4%76.5%
math 500
mmlu pro87.5%81.5%
scicode44.7%36.5%
tau278.1%49.4%
terminalbench hard35.6%6.8%

Benchmark data from Artificial Analysis.