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Claude 4.5 Haiku (Reasoning) vs DeepSeek V3.1 Terminus (Non-reasoning)

Anthropic vs DeepSeek — side-by-side benchmark comparison

Claude 4.5 Haiku (Reasoning)DeepSeek V3.1 Terminus (Non-reasoning)
Intelligence Index37.128.5
Coding Index32.631.9
Math Index83.753.7
Output speed (tok/s)142.20.0
Blended price ($/1M)$2.19$0.45
Time to first token (s)10.48s0.00s
aime
aime 2583.7%53.7%
artificial analysis coding index32.6031.90
artificial analysis intelligence index37.1028.50
artificial analysis math index83.7053.70
gpqa67.2%75.1%
hle9.7%8.4%
ifbench54.3%41.2%
lcr70.3%43.3%
livecodebench61.5%52.9%
math 500
mmlu pro76.0%83.6%
scicode43.3%32.1%
tau254.7%37.1%
terminalbench hard27.3%31.8%

Benchmark data from Artificial Analysis.