★ Pinned Claude
28 Sep 2026
claude_app
September 28, 2026 — Claude Sonnet 5.5 launch
Brand Impact
Anthropic has launched Claude Sonnet 5.5, the second model in its Claude 5.5 family and a faster, lower-cost complement to Opus 5.5. Sonnet is the workhorse tier most apps, assistants and agents run by default, so a quicker, cheaper version at 5.5-family quality shifts far more everyday AI answers than a flagship launch. For brands, that raises the bar for which sources and names a capable model is willing to cite.
Read our full analysis: https://reconn-ai.com/news/claude-sonnet-5-5-ai-visibility/