AI model release
Anthropic Claude Opus 5.5
Status: Released (2026-09-23) Provider: Anthropic Model Family: claude
Key Developments
- Represents Anthropic’s first significant model release since adopting a “pacing the frontier” strategy.
- Positioned as a new leading frontier model with claims of unrivaled performance, efficiency, and cost savings.
- Anthropic Claude Opus 5.5: Unrivaled AI Performance, Efficiency, and Cost Savings