Claude Haiku 4.5 (20251001) (Unknown) — benchmark results
Provider: Anthropic. Released 2025-10-01. Access: API.
Unified ELO 1533 ± 83, rank #678 of 1776 rated models, from 7 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| Terminal-Bench 2.0 | 35.5 | Accuracy (%) | 36.2 |
| Epoch AI - Scicode | 43.29 | Score | 34.6 |
| Epoch AI - Apex Agents | 8.9 | Score | 24 |
| WebDev Arena | 1322.3 | Arena Score | 19 |
| Epoch AI - Vending Bench 2 | 458.89 | Score | 17 |
| Epoch AI - Critpt | 0 | Score | 10.6 |
| Epoch AI - Blueprint Bench 2 | 0 | Score | 9.4 |
Interactive version: theaggregate.ai/model?slug=claude-haiku-4-5-20251001-unknown · How the rankings work · Data refreshed daily, snapshot 2026-07-22.