Claude Sonnet 4.5
Anthropic's multimodal model with a 1M-token context for coding, analysis, and document tasks.
Use Cases
1
How SSE Airtricity Drives 90% Customer Engagement with AI Energy Insights
SSE Airtricity · Customer Service
90%
Customer engagement with personalized insights
90%Customer engagement with personalized insights
Design Arena
Design Arena ranks models on real-world front-end and design tasks — websites, UI components, data viz, SVG and more — through head-to-head human votes, scored as an ELO rating.| Category | ELO | Win rate | Rank |
|---|---|---|---|
| Asciiart | 1241 | 55.6% | #10 |
| 3D | 1225 | 52.5% | #40 |
| Game dev | 1225 | 51.6% | #41 |
| UI component | 1221 | 51.0% | #41 |
| Website | 1220 | 52.9% | #43 |
Pricing
per 1M tokensInput$3 /1M
Output$15 /1M
Cache read$0.3 /1M
Cache write$3.75 /1M
Web search$0.01
Model Description
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...
Author
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