Claude Sonnet 4.5

Available

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...

Context
1M tokens
Max output
64K tokens
Input / 1M tokens
$3.00per 1M tokens
Output / 1M tokens
$15.00per 1M tokens
Listed since
Sep 29, 2025

Prices and model data from OpenRouter

Where it's availableProviders · 1

ProviderInput / 1M tokensOutput / 1M tokensStatus
OpenRouter$3.00$15.00Available

Published benchmark results

From independent leaderboards, each credited to its publisher.