AnthropicMedium Impact
Anthropic Releases Claude Sonnet 5.5
The short answer
Anthropic launched Claude Sonnet 5.5, a faster, lower-cost companion to Opus 5.5. Mid-tier models handle most everyday business tasks well.
- Anthropic
- Claude
- model release
What happened
Anthropic's release notes say Sonnet 5.5 launched on September 28 as the second model in the Claude 5.5 family, positioned as a faster, cheaper option alongside Opus 5.5.
What it means for your business
Mid-tier models handle most everyday business tasks well. Try the cheaper model first and only pay for the top tier where the difference is visible.
Source: Anthropic