Claude Sonnet 4
claude-sonnet
Balanced Claude model for coding, analysis, agent workflows, and cost control
ReasoningTool CallingAttachments
Context Window
200K
Max Output
64K
Temperature
Yes
Open Weights
No
Knowledge Cutoff
2025-03-31
Released
2025-05-22
Last Updated
2025-05-22
Modalities
Input:TextImagePDF
→Output:Text
Benchmarks
| Benchmark | Score | Metric |
|---|---|---|
| Aider Polyglot | 61.3 | percent correct |
Available Providers (1)
| Provider | Input /1M | Output /1M | Cache Read /1M | Cache Write /1M | Reasoning | Status |
|---|---|---|---|---|---|---|
 Merge Gateway | Rp 53.071 | Rp 265.351 | Rp 5.308 | Rp 66.338 | toggle, budget_tokens | — |