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Anthropic

Anthropic: Claude Sonnet 4

anthropic/claude-sonnet-4

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%),...

Context window: 1,000,000 tokens
Input: image, text, file
Output: text
Pricing: $3/M input tokens, $15/M output tokens

View on OpenRouter. Model data sourced from OpenRouter.

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