Anthropic’s Claude Opus 4.5 marks a significant leap in the capabilities of large language models, showcasing advanced reasoning and efficiency that redefine how AI interacts with complex tasks. This latest iteration goes beyond mere enhancements, transforming the AI from a reactive assistant into a proactive problem-solver. Its ability to tackle multi-layered puzzles with remarkable efficacy positions it as a vital tool for founders, venture capitalists, and AI professionals alike. The introduction of advanced tool search and programmatic calling capabilities in Opus 4.