Claude Haiku 4.5 (Non-reasoning): benchmark results
Claude Haiku 4.5 evaluated with reasoning disabled. Provider: Anthropic. Released 2025-10-01. Access: API.
Unified ELO 1501 ± 1, rank #844 of 1761 rated models, from 42 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| UGI - Writing | 52.16 | Writing Score | 89.3 |
| UGI - Natural Intelligence | 35.42 | NatInt Score | 83.4 |
| AA Omniscience - Software Engineering (SWE) - Swift | 44 | Accuracy (%) | 78.2 |
| AA Omniscience - Software Engineering (SWE) - Julia | 20 | Accuracy (%) | 75.4 |
| AA Omniscience | -7.57 | Score | 75.2 |
| AA Terminal-Bench Hard | 27.27 | Accuracy (%) | 69.3 |
| AA MMLU-Pro | 80.01 | Accuracy (%) | 62.4 |
| Artificial Analysis Intelligence Index | 17.36 | Intelligence Index | 62.4 |
| AA Omniscience - Software Engineering (SWE) - C | 37 | Accuracy (%) | 61.3 |
| AA Omniscience - Software Engineering (SWE) - Rust | 50 | Accuracy (%) | 59 |
| WeirdML | 45.4 | Average Score | 49 |
| AA Omniscience - Software Engineering (SWE) - Go | 16 | Accuracy (%) | 48.6 |
Interactive version: theaggregate.ai/model?slug=claude-haiku-4-5-non-reasoning · How It Works · Data refreshed daily, snapshot 2026-09-05.