Anthropic: Claude Opus 4.5
- Model ID
- anthropic/claude-opus-4.5
- Canonical slug
- anthropic/claude-4.5-opus-20251124
- Knowledge cutoff
- n/a
- Created
- 11/24/2025
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...