AIIC AI Intelligence Centre

SOURCE-LINKED INTELLIGENCE

Anthropic: Claude Sonnet 4

OpenRouter model catalogue · model · Publication date unknown

Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...

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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.