Anthropic Releases Claude Opus 4.6
Narrative
Most capable Opus-class model yet with enhanced agentic coding, longer task sustainment, reliable operation in large codebases, self-debugging, and first 1M token context window in beta for Opus series. State-of-the-art on Terminal-Bench 2.0, Humanity’s Last Exam, GDPval-AA, and BrowseComp.
Reality
Released February 5, 2026. Immediate availability on claude.ai, Claude API, Claude Code, and major cloud platforms (pricing unchanged at $5/$25 per million tokens). Introduces agent teams for parallel task handling and major improvements in professional workflows like finance/legal analysis and document creation. Accompanied by updated system card highlighting cybersecurity capability gains and new safeguards.
Implication
Pushes frontier in reliable agentic AI for complex, long-horizon coding and knowledge work. 1M context enables true multi-document reasoning without degradation. Strengthens Anthropic’s position in enterprise and coding agents amid intense competition. Highlights dual-use potential with responsible mitigations.