Claude Sonnet 4.5 (latest)
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
2025-07-31
Released
2025-09-29
Last Updated
2025-09-29
Modalities
Input:TextImagePDF
→Output:Text
Benchmarks
| Benchmark | Score | Metric |
|---|---|---|
| SWE-Bench Pro | 43.6 | resolve rate |
Available Providers (5)
| Provider | Input /1M | Output /1M | Cache Read /1M | Cache Write /1M | Reasoning | Status |
|---|---|---|---|---|---|---|
 Requesty | Rp 53.071 | Rp 265.351 | Rp 5.308 | Rp 66.338 | effort, budget_tokens | — |
 AnyAPI | — | — | — | — | toggle, effort, budget_tokens | — |
 NEAR AI Cloud | Rp 53.071 | Rp 274.196 | Rp 5.308 | Rp 66.338 | toggle, budget_tokens | — |
 Cloudflare AI Gateway | Rp 53.071 | Rp 265.351 | Rp 5.308 | Rp 66.338 | effort | — |
 Perplexity Agent | Rp 53.071 | Rp 265.351 | Rp 5.308 | — | effort | — |