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Anthropic

Anthropic: Claude Opus 4.1

anthropic/claude-opus-4.1

Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...

Context window: 200,000 tokens
Input: image, text, file
Output: text
Pricing: $15/M input tokens, $75/M output tokens

View on OpenRouter. Model data sourced from OpenRouter.

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