Anthropic
Claude Sonnet 4.5
Claude Sonnet 4.5 is the newest model in the Sonnet series, offering improvements and updates over Sonnet 4.
Introducing Claude SonnetModel Snapshot
TypeLanguage
ReleaseSep 29, 2025
Context1,000,000
Tagsexplicit-caching, file-input, reasoning, tool-use
Overall
Rank #93 across 589
36.4
Coding
Rank #86 across 252
52.1
Blended Price
No rank
n/a
Strength Profile
Percentile score by analysis domain.
Not enough comparable domain data for this model.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Max Output64,000
Streaming speed is not measured for this model yet.
Pricing
Blended-
Input-
Output-
Catalog$3.00/M in / $15.00/M out
Metadata
Modalities
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 36.4 | #93 |
| Artificial Analysis Coding Index | coding | 52.1 | #86 |