Anthropic has launched Claude Opus 4.5, its most advanced AI model to date, delivering major performance gains in coding, reasoning, and real-world productivity.
The model scores highest on benchmark tests such as SWE-Bench Verified, reflecting top-tier code generation and problem-solving capabilities.
Opus 4.5 also introduces memory improvements for long-context tasks and supports agentic workflows making it suitable for complex, multi-step work over longer sessions. Alongside the release, Anthropic is rolling out new integrations: a browser extension for Chrome and a spreadsheet assistant for Excel, enabling the model to interact with everyday tools for browsing, data manipulation, and office automation.
