Claude Sonnet 4.5 (open-ended): benchmark results
Provider: Anthropic. Released 2025-09-29. Access: API.
Aggregate Rating 1592 ± 27, rank #1100 of 10916 rated models, from 1 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| Medmarks | 0.5 | Win Rate | 44.9 |
Interactive version: theaggregate.ai/model?slug=claude-sonnet-4-5-open-ended · How It Works · Data refreshed daily, snapshot 2026-11-08.