Claude Opus 4.5
claude-opus
Flagship Claude model for deep reasoning, coding, and long-horizon agents
ReasoningTool CallingAttachments
Context Window
200K
Max Output
64K
Temperature
Yes
Open Weights
No
Knowledge Cutoff
2025-03-31
Released
2025-11-01
Last Updated
2025-11-01
Modalities
Input:TextImagePDF
→Output:Text
Benchmarks
| Benchmark | Score | Metric |
|---|---|---|
| SWE-Bench Pro | 45.89 | resolve rate |
Available Providers (1)
| Provider | Input /1M | Output /1M | Cache Read /1M | Cache Write /1M | Reasoning | Status |
|---|---|---|---|---|---|---|
 Merge Gateway | Rp 90.169 | Rp 450.843 | Rp 9.017 | Rp 112.711 | toggle, effort, budget_tokens | — |