Claude 4.5 Sonnet (Reasoning)
Claude 4.5 Sonnet (Reasoning) is developed by Anthropic, released 2025-09-29.
Input price
$3.00 / 1M tok
Output price
$15.00 / 1M tok
Blended price
$6.00 / 1M tok
Intelligence
20.7
75th percentile of 554 models with an Intelligence score
Coding
52.1
68th percentile of 194 models with a Coding score
Math
88.0
Speed
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Time to first token
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Official pricing from Anthropic.
Multi-gateway price comparison (OpenRouter, Together, etc.) is coming soon — not live yet.
See all of Anthropic's models on its provider page, or browse the full model directory.