Anthropic Launches Claude Sonnet 4.5, an Autonomous AI Model Excelling in Coding

TL;DR
Claude Sonnet 4.5 is a state-of-the-art AI coding model that significantly improves reasoning, math, and computer use capabilities, with extensive safety and alignment enhancements, new features like checkpoints and a SDK for building AI agents, and broad applications across software development, legal, financial, and creative tasks.
- Introducing Claude Sonnet 4.5 Anthropic
- Anthropic's Claude Sonnet 4.5 can work autonomously for 30 hours Axios
- Anthropic Says New AI Model Can Code On Its Own for 30 Hours Straight Bloomberg.com
- Anthropic launches Claude Sonnet 4.5, its latest AI model that's 'more of a colleague' CNBC
- Anthropic unveils latest AI model, aiming to extend its lead in coding intelligence Business Insider
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