ML-Bench (Multilingual Safety) - Refined Query F1: leaderboard

Safe or unsafe classification of refined queries that wrap a policy violation in a professional or bureaucratic request, by a guardrail model given only the input text. ML-Bench (Zhao et al., 2026) is a multilingual guardrail benchmark built from 17 regional AI regulations in 14 languages. F1 on the unsafe class, in percent; higher is better.

Metric: Unsafe-query F1 (%; safe/unsafe classification of refined queries that embed policy violations in professional or bureaucratic requests, 14 languages, guardrail given only the input text). Source: arxiv.org. Saturation forecast: Rough model projection: around 2026. 12 models tracked.

Top models

#ModelScoreOverall rank
1ML-Guard-7B88
2ML-Guard-1.5B70
3Llama-Guard-3-1B47
4PolyGuard-Qwen34
5DuoGuard-1.5B-transfer32
6Llama-Guard-4-12B27
7Llama-3.1-Nemotron-Safety-Guard-8B-v323
8Qwen3Guard-Gen-0.6B9
9Qwen3Guard-Gen-8B8
10Llama-Guard-3-8B6

Interactive version: theaggregate.ai/benchmark?slug=ml-bench-multilingual-safety-refined-query-f1 · How It Works · Data refreshed daily, snapshot 2026-11-12.