Anthropic launches Claude Opus 4.5, claims world’s most capable AI model for coding and complex tasks

Anthropic has unveiled its newest flagship AI model, Claude Opus 4.5, calling it the company’s biggest leap yet in intelligence, efficiency, and real-world problem solving. The model is now available across Anthropic’s apps, API and all major cloud platforms.

According to the company, Opus 4.5 delivers state-of-the-art performance in software engineering, beating other frontier models on the SWE-bench Verified test.

Developers can start using it, with pricing lowered to $5 for input and $25 for output per million tokens.

Upgrades in coding,…