Anthropic has announced the release of its most advanced AI model yet, Claude Sonnet 4.5, setting a new benchmark in autonomous coding and app development. The company revealed that the model is capable of working continuously for 30 hours, creating fully functional applications with more than 11,000 lines of code written independently.

This marks a significant leap from its predecessor, Claude Opus 4.1, which could only sustain autonomous work for around seven hours. According to Anthropic, the new model successfully built a chat platform resembling Slack and Microsoft Teams—from scratch—without halting until the project was complete.

Anthropic claims that Claude Sonnet 4.5 is its “best model at using computers,” emphasizing its focus on building sophisticated software agents. The innov

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