Claude Sonnet 4.6
claude-sonnet
Claude workhorse for coding agents, careful analysis, and production cost control
ReasoningTool CallingAttachments
Context Window
1M
Max Output
64K
Temperature
Yes
Open Weights
No
Knowledge Cutoff
2025-08-31
Released
2026-02-17
Last Updated
2026-03-13
Modalities
Input:TextImagePDF
→Output:Text
Benchmarks
| Benchmark | Score | Metric | Harness |
|---|---|---|---|
| SWE-Atlas Codebase QnA | 31.2 | score | Claude Code |
| SWE-Atlas Refactoring | 32.21 | score | Claude Code |
| SWE-Atlas Test Writing | 31.76 | score | Claude Code |
| Artificial Analysis Coding Agent Index | 49.4 | average pass@1 | Claude Code |
| SWE-Atlas Codebase QnA | 70.3 | pass@1 | Claude Code |
| SWE-Bench Pro | 14.9 | pass@1 | Claude Code |
| Terminal-Bench | 63.1 | pass@1 | Claude Code |
Available Providers (6)
| Provider | Input /1M | Output /1M | Cache Read /1M | Cache Write /1M | Reasoning | Status |
|---|---|---|---|---|---|---|
| Rp 54.102 | Rp 270.506 | Rp 5.411 | Rp 67.627 | effort, budget_tokens | — | |
| — | — | — | — | toggle, effort, budget_tokens | — | |
| Rp 54.102 | Rp 270.506 | Rp 5.411 | Rp 67.627 | toggle, effort, budget_tokens | — | |
| Rp 54.102 | Rp 270.506 | Rp 5.411 | Rp 67.627 | toggle, budget_tokens | — | |
| Rp 54.102 | Rp 270.506 | Rp 5.411 | Rp 67.627 | effort | — | |
| Rp 54.102 | Rp 270.506 | Rp 5.411 | — | effort | — |