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Person: "rishdotblog"
Claude Sonnet 4.6: clean upgrade of 4.5, mostly better with some caveats
claude-3-sonnet-4.6 claude-3-sonnet-4.5 claude-3-opus-4.5 claude-3-opus-4.6 anthropic cursor microsoft perplexity-ai cognition long-context agent-planning knowledge-work benchmarking tokenization model-integration code-execution model-updates aesthetic-quality alexalbert__ scaling01 rishdotblog claudeai kimmonismus artificialanlys
Anthropic launched Claude Sonnet 4.6, an upgrade over Sonnet 4.5, featuring broad improvements in coding, long-context reasoning, agent planning, knowledge work, and design, plus a 1M-token context window (beta). Benchmarks show Sonnet 4.6 leading on GDPval-AA ELO 1633, with significant token usage increases and improved output aesthetics. Integrations include Cursor, Windsurf, Microsoft Foundry, and Perplexity Pro/Max. Early user feedback noted some regression issues that were later fixed. Pricing remains the same as Sonnet 4.5. Tooling enhancements include code execution for filtering results, improving accuracy and efficiency.