New Claude Sonnet 4.5 Just Broke Every Limit We Knew

Claude Sonnet 4.5 just shocked the dev world, this AI coded for 30 hours straight without losing focus.

It built full apps end-to-end, crushed benchmarks like SWE-Bench Verified and OSWorld, and is already integrated into GitHub Copilot, Office 365, and Chrome.


Anthropic even dropped a full Agent SDK, giving developers the same tools they use internally. With state-of-the-art results, new memory systems, native VS Code support, and enterprise-grade safety, Sonnet 4.5 isn’t just another update, it feels like the first AI developer that never quits.

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