Claude Opus

Claude Opus 4.6 (2026-02-05)

Claude Opus 4.6 is our most capable model to date. Building on the intelligence of Opus 4.5, it brings new levels of reliability and precision to coding, agents, and enterprise workflows.

Claude Opus 4.5 (2025-11-24)

Claude Opus 4.5 is our most intelligent model to date. It sets a new standard across coding, agents, computer use, and enterprise workflows. Opus 4.5 is a meaningful step forward in what AI systems can do.

Claude Opus 4.1 (2025-08-05)

Claude Opus 4.1 is a drop-in replacement for Opus 4 that delivers superior performance and precision for real-world coding and agentic tasks. It handles complex, multi-step problems with more rigor and attention to detail.