Post #233027 1.11K Sep 28, 2026, 18:06 UTC Claude Sonnet 5.5Article, Comments Anthropic Introducing Claude Sonnet 5.5 Claude Sonnet 5.5 is a clear upgrade over Claude Sonnet 5, runs 30%+ faster, and costs up to 30% less for most work. 💩 9 👍 3 🤡 1 🖕 1