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Claude 4.5 Haiku (Reasoning) vs DeepSeek V4 Flash (Non-reasoning)

Anthropic vs DeepSeek — side-by-side benchmark comparison

Claude 4.5 Haiku (Reasoning)DeepSeek V4 Flash (Non-reasoning)
Intelligence Index37.136.5
Coding Index32.635.2
Math Index83.7
Output speed (tok/s)142.2127.9
Blended price ($/1M)$2.19$0.17
Time to first token (s)10.48s0.90s
aime
aime 2583.7%
artificial analysis coding index32.6035.20
artificial analysis intelligence index37.1036.50
artificial analysis math index83.70
gpqa67.2%71.6%
hle9.7%7.0%
ifbench54.3%47.2%
lcr70.3%33.3%
livecodebench61.5%
math 500
mmlu pro76.0%
scicode43.3%37.3%
tau254.7%94.4%
terminalbench hard27.3%34.1%

Benchmark data from Artificial Analysis.