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Claude Sonnet 4.5

Anthropic

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...

In
$3.00
Out
$15.00
Blended
$6.00
Where to buy this model
5 access routes
RouteInOutBlendedvs
Claude Platform on AWS cheapest$3.00$15.00$6.00-
Azure $3.00$15.00$6.00+0%
Amazon Bedrock $3.00$15.00$6.00+0%
Anthropic $3.00$15.00$6.00+0%
Google $3.00$15.00$6.00+0%

official API · cloud platform · inference host · USD per 1M tokens. Same model, different providers - price and quantization vary.

Ctx
1M
max output
64K
cache read /1M
$0.30
Family
claude
Modalities
text · image · file
Features
json · reasoning · tools

Live pricing, updated 2026-09-15.

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