Claude Opus 4.5
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex so...
About
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 reasoning benchmarks, and improved robustness to prompt injection. The model is designed to operate efficiently across varied effort levels, enabling developers to trade off speed, depth, and token usage depending on task requirements. It comes with a new
Details
| Modality | image, file, text |
| Context Window | 200.0K tokens |
| Release Date | Nov 24, 2025 |
| API Available | Yes |
| Hosting | api |
| Output Speed | 70 tokens/sec |
| Time to First Token | 1000ms |
| Quality Index | 94/100 |
| Coding Index | 95/100 |
| Reasoning Index | 91/100 |
Benchmarks
Resources
Tags
Quick Info
- Organization
- Anthropic
- Pricing
- $5.00/1M input tokens
- Popularity
- 66/100
- Updated
- Feb 20, 2026
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