Claude Opus 4.5 (20251101) (High): benchmark results
Provider: Anthropic. Released 2025-11-24. Access: API.
Aggregate Rating 1750 ± 17, rank #239 of 2168 rated models, from 87 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| Horangi 4 - Ko-MT-Bench | 89.63 | Judge rating (1-10, x10) | 98.1 |
| Horangi 4 - GLP - Logical Reasoning | 89.5 | Score (%) | 97.1 |
| Chatbot Arena (Text - Creative Writing) | 1469 | Arena Score | 95.9 |
| Chatbot Arena (Text - Instruction Following) | 1483 | Arena Score | 95.8 |
| Horangi 4 - Ko-HellaSwag | 89 | Accuracy (%) | 95.7 |
| Chatbot Arena (Text - Coding) | 1531 | Arena Score | 95.5 |
| DeepResearchBench | 54.8 | Average Score | 95 |
| Horangi 4 - BFCL | 70.16 | Accuracy (%) | 95 |
| Chatbot Arena (Text - Longer Query) | 1495 | Arena Score | 94.9 |
| Chatbot Arena (Text - Entertainment, Sports & Media) | 1456 | Arena Score | 94.4 |
| Chatbot Arena (Text - Multi-Turn) | 1486 | Arena Score | 93.8 |
| Chatbot Arena (Text - Spanish) | 1477 | Arena Score | 93.4 |
Interactive version: theaggregate.ai/model?slug=claude-opus-4-5-20251101-high · How It Works · Data refreshed daily, snapshot 2026-10-20.