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anthropic

Anthropic: Claude Sonnet 4.5

anthropic/claude-sonnet-4.5

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...

specs & pricing
Type
text
Provider
anthropic
Model ID
anthropic/claude-sonnet-4.5
Capabilities
vision, tools, reasoning
Context window
1M tokens
Input price
$3.30 / 1M tokens
Output price
$16.50 / 1M tokens

Cloud price is billed from prepaid credits when a request fails over to the cloud. Open-weight models run free on GPUs you own — the gateway routes to your nodes first.