🎼 New Tools

Claude Sonnet 5.5

Anthropic's mid-size model, released 28 September 2026, about a week after Opus 5.5. Generates output more than 30% faster than Sonnet 5, uses fewer tokens per task, and keeps Sonnet 5's price ($2 per million input tokens, $10 per million output). In the Claude apps and on the major cloud platforms.