Model°
Claude Sonnet 5.5 is available
Name: Claude Sonnet 5.5 Provider: Anthropic Listed: 2026-09-28 Context window: 1000000 tokens Input: $2 per 1M tokens Output: $10 per 1M tokens Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong a
Model28 Sept 2026Anthropic
Source
Every entry here names where it came from, and we publish nothing we have not read at the source.
Read the originalChanges like this decide who gets cited
We measure how often AI answers name your brand, track what moves it, and tell you what to do next.