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AnthropicBlog · Feb 5, 2026 · official

Long-context Graphwalks reasoning

Long-context Graphwalks reasoning performance comparison

BlogBar chartClaude Opus 4.6All Anthropic modelsOpus 4.6 Parents 1MOpus 4.6 BFS 1MSonnet 4.5 Parents 1MSonnet 4.5 BFS 1M
Published by Anthropic on Blog, Feb 5, 2026. Source: anthropic.com

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