February 17, 2026 News

Anthropic Releases Claude Sonnet 4.6 with Enhanced Coding and 1M Token Context Window

Anthropic has launched Sonnet 4.6, featuring significant improvements in coding, instruction-following, and computer use capabilities, along with a doubled context window of 1 million tokens. The model achieves strong benchmark results including a 60.4% score on ARC-AGI-2, positioning it above most comparable models though still trailing top-tier systems like Opus 4.6 and Gemini 3 Deep Think. This release maintains Anthropic's four-month update cycle and will serve as the default model for Free and Pro users.

AI News Calendar

February 2026