AI startup Anthropic, fresh off a massive $350 billion valuation fueled by investments from Microsoft and Nvidia, has announced Claude Opus 4.5. This is its new flagship model. Aimed at professional software developers and financial analysts, the model excels at complex coding and enterprise tasks. Anthropic reports that Opus 4.5 outperforms rival models from Google and OpenAI on key software development benchmarks. In a striking test of its capabilities, the model scored higher on a difficult internal engineering exam than any human candidate. This launch marks Anthropic’s third major model release in just two months, highlighting its aggressive push in the AI race.