Anthropic
Claude 4.5 Sonnet (Reasoning)
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 SonnetModel Snapshot
ReleaseSep 29, 2025
Overall
Rank #52 across 526
43.0
Coding
Rank #64 across 436
38.6
Blended Price
Rank #328 across 357
$6.56/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 Speed50.1 tok/s
First Token10.04s
Max Outputn/a
Pricing
Blended$6.56/M
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 43.0 | #52 |
| Artificial Analysis Coding Index | coding | 38.6 | #64 |
| Artificial Analysis Math Index | math | 88.0 | #38 |
| MMLU-Pro | reasoning | 87.5% | #8 |