InteractWeb-Bench - Hallucination Rate: leaderboard

Metric: Hallucination rate (%): share of tasks where the agent builds on requirements the user never stated instead of asking, interactive website generation; lower is better. Source: arxiv.org. Saturation forecast: Not forecast. 9 models tracked.

Top models

#ModelScore
1GPT-4.1 Mini23.5
2Gemini 3.1 Flash Lite27.7
3GPT-4.131.7
4Qwen 3.5 9B53.7
5Qwen 3.5 397B A17B56.4
6Gemma 4 31B (IT)61.7
7Qwen 3.6 Plus62.4
8Kimi K2.564.1
9Gemma 4 26B A4B (IT)72.3

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