Anthropic
Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort)
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
Introducing Claude SonnetModel Snapshot
ReleaseJun 30, 2026
Context1,000,000
Overall
Rank #13 across 566
53.4
Coding
Rank #16 across 222
71.5
Blended Price
Rank #297 across 371
$4.00/M
Strength Profile
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Output Speed69.1 tok/s
First Token20.60s
Max Output128,000
Pricing
Blended$4.00/M
Input$2.00/M
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 53.4 | #13 |
| Artificial Analysis Coding Index | coding | 71.5 | #16 |
| LiveBench Mathematics | math | 92.9% | #9 |
| Output Speed | speed | 69.1 tok/s | #202 |