Nejumi 4 - HalluLens: leaderboard
Metric: Hallucination resistance (%). Source: nejumi.ai. 137 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | O3 (2025-04-16) | 100 |
| 2 | Claude Sonnet 4.5 (Thinking) | 100 |
| 3 | Claude Opus 4.5 (Thinking) | 100 |
| 4 | Claude Opus 5 (Max) | 100 |
| 5 | Claude Opus 4.5 (Non-reasoning) | 100 |
| 6 | Claude Sonnet 4.6 (Thinking) | 100 |
| 7 | Claude Opus 4.7 (xHigh) | 100 |
| 8 | Claude Sonnet 4 (Non-reasoning) | 100 |
| 9 | Claude Opus 4.8 (xHigh) | 100 |
| 10 | Claude Opus 4 (Non-reasoning) | 100 |
| 11 | Kimi K3 (Thinking) | 100 |
| 12 | GPT-5.1 (High) | 99 |
| 13 | Kimi K3 (Max) | 99 |
| 14 | Claude Haiku 4.5 (Thinking) | 99 |
| 15 | Qwen 3 Max (Preview) | 99 |
Interactive version: theaggregate.ai/benchmark?slug=nejumi-4-hallulens · How It Works · Data refreshed daily, snapshot 2026-09-19.