Anthropic Releases Claude Sonnet 4.6 — 1M Token Context, Flagship Agentic Performance
Anthropic Releases Claude Sonnet 4.6 — 1M Token Context, Flagship Agentic Performance On February 17, 2026, Anthropic released Claude Sonnet 4.6, and the agentic AI community immediately took notice. This is the model that now powers OpenClaw by default — and for good reason. Sonnet 4.6 brings a 1 million token context window in beta, dramatically improved agentic task performance, and holds its price point at the same level as Sonnet 4.5. Flagship performance at mid-tier cost. ...