Anthropic
Claude 4.5 Sonnet (Reasoning) is an Anthropic Claude Sonnet model, a balanced Claude tier commonly aimed at strong coding, reasoning, and agent workflows with practical latency and cost. The local profile shows whether this specific reasoning mode is a better fit for quality, speed, or value-sensitive use cases.
Introducing Claude SonnetRank #81 across 566
Rank #77 across 222
Rank #328 across 371
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Higher bars mean stronger relative placement.
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 36.4 | #81 |
| Artificial Analysis Coding Index | coding | 52.1 | #77 |
| Artificial Analysis Math Index | math | 88.0 | #39 |
| MMLU-Pro | reasoning | 87.5% | #9 |
| reasoning |
| 83.4% |
| #110 |
| Humanity's Last Exam | reasoning | 17.3% | #125 |
| LiveCodeBench | coding | 71.4% | #62 |
| SciCode | coding, reasoning | 44.7% | #78 |
| Output Speed | speed | 50 tok/s | #263 |
| Time to First Token | speed | 10.11s | #268 |
| Blended Price | cost | $6.00/M | #328 |
| Input Price | cost | $3.00/M | #328 |
| Output Price | cost | $15.00/M | #330 |
| Value Index | cost, overall | 6.1 | #289 |