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Anthropic launches Claude Sonnet 4.5, its best AI model for coding


Anthropic says its new AI model is robust enough to build production-ready applications, rather than just prototypes.

In that time, he watched the AI model not only build an application, but stand up database services, purchase domain names, and perform a SOC 2 audit to make sure the product was secure. In a statement shared with TechCrunch Cursor CEO Micheal Truell said Claude Sonnet 4.5 represents state-of-the-art coding performance, specifically on longer horizon tasks. Anthropic is also releasing a temporary research preview called “Imagine with Claude” for Max subscribers, which shows the AI model generating software on the fly.

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