Claude Sonnet 4.6: When Sonnet Finally Touches the Opus Ceiling

Claude Sonnet 4.6: When Sonnet Finally Touches the Opus Ceiling

Anthropic releases Claude Sonnet 4.6 with comprehensive upgrades in coding, computer use, and long-context reasoning. Users prefer it over the previous Opus 4.5, and the price stays the same. Sonnet is becoming the optimal choice for most people.

2026-02-18 · 4 min · 832 words · Qiaomu