AIIC AI Intelligence Centre

SOURCE-LINKED INTELLIGENCE

Anthropic: Claude Sonnet 4.5

OpenRouter model catalogue · model · Publication date unknown

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...

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recordType
model-catalog
evidenceStatus
provider-reported
region
Global

Evidence & attribution

First collected: 2026-09-20T08:01:03.945Z. This is not the publication date.