VLM-DeflectionBench - Oracle Hallucination Rate: leaderboard

Metric: Hallucination rate (%): share of answers that are wrong rather than correct or a deflection, in the Oracle retrieval scenario (gold evidence only), judged by GPT-4o with the SimpleQA protocol; lower is better. Source: arxiv.org. Saturation forecast: Estimated already saturated. 19 models tracked.

Top models

#ModelScore
1Claude Opus 49.2
2Claude Sonnet 49.9
3Mistral Small 3.110.3
4GPT-512.6
5Gemini 2.5 Flash13.3
6GLM-4.1V-9B (Thinking)13.3
7Gemini 2.5 Pro13.9
8InternVL3-38B22.6
9Gemma 3 27B24.4
10Pixtral-12B30.5
11Qwen 2.5 VL 32B Instruct33.9

Interactive version: theaggregate.ai/benchmark?slug=vlm-deflectionbench-oracle-hallucination-rate · How It Works · Data refreshed daily, snapshot 2026-10-07.