AI BriefingAnthropic's Claude Sonnet 5.5 Now Available on AI Gateway
Key point
The model supports Zero Data Retention and integrates with the AI SDK, OpenAI-compatible APIs, and Anthropic Messages API.
Details
Claude Sonnet 5.5 from Anthropic is now available on AI Gateway under the identifier anthropic/claude-sonnet-5.5. This update targets well-scoped everyday tasks, including feature building, bug fixing, and the creation of documents, slides, and spreadsheets.
Performance Improvements
The model improves upon Claude Sonnet 5 by carrying changes through multiple steps and verifying its work before reporting completion on coding tasks. It produces more polished outputs with fewer follow-up edits and demonstrates better capabilities in using desktop apps and interpreting charts and technical drawings.
Integration and Configuration
Developers can access Sonnet 5.5 via the AI SDK, OpenAI-compatible Chat Completions API, Responses API, or Anthropic Messages API. For coding agents, users can run npx vercel ai-gateway setup and select anthropic/sonnet-5.5 in their model settings. The model supports Zero Data Retention on AI Gateway, which also offers usage tracking, cost monitoring, and configurable routing and failover.
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