← Back to AI News

AI News

ClaudeModel releaseGASep 28, 2026

Claude Sonnet 5.5

The new Claude Sonnet 5.5 has been released and is available, including via the Claude API. Please refer to the official page for output limits, context window specifications, and pricing.

  • Released as a new model
  • Available via Claude API
  • Refer to output limits and window specifications
  • Reasoning blocks are account-dependent
Official announcement →

All Claude versions →

Compare the latest AI model versions →

More from Sep 28, 2026

See all →

← Back to AI News