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Claude 4.5 Haiku (Reasoning) vs Claude 4.5 Sonnet (Non-reasoning)

Anthropic vs Anthropic — side-by-side benchmark comparison

Claude 4.5 Haiku (Reasoning)Claude 4.5 Sonnet (Non-reasoning)
Intelligence Index37.137.1
Coding Index32.633.5
Math Index83.737.0
Output speed (tok/s)142.254.7
Blended price ($/1M)$2.19$6.56
Time to first token (s)10.48s1.08s
aime
aime 2583.7%37.0%
artificial analysis coding index32.6033.50
artificial analysis intelligence index37.1037.10
artificial analysis math index83.7037.00
gpqa67.2%72.7%
hle9.7%7.1%
ifbench54.3%42.7%
lcr70.3%51.3%
livecodebench61.5%59.0%
math 500
mmlu pro76.0%86.0%
scicode43.3%42.8%
tau254.7%70.5%
terminalbench hard27.3%28.8%

Benchmark data from Artificial Analysis.