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

Anthropic vs Anthropic — side-by-side benchmark comparison

Claude 4.5 Haiku (Non-reasoning)Claude 4.5 Sonnet (Reasoning)
Intelligence Index31.043.0
Coding Index29.638.6
Math Index39.088.0
Output speed (tok/s)105.855.0
Blended price ($/1M)$2.19$6.56
Time to first token (s)0.65s7.02s
aime
aime 2539.0%88.0%
artificial analysis coding index29.6038.60
artificial analysis intelligence index31.0043.00
artificial analysis math index39.0088.00
gpqa64.6%83.4%
hle4.3%17.3%
ifbench42.0%57.3%
lcr43.7%65.7%
livecodebench51.1%71.4%
math 500
mmlu pro80.0%87.5%
scicode34.4%44.7%
tau232.5%78.1%
terminalbench hard27.3%35.6%

Benchmark data from Artificial Analysis.