HELM Audio - Speech Robust Bench: leaderboard

Metric: WER. Source: crfm.stanford.edu. 17 models tracked.

Top models

#ModelScore
1Gemini 2.5 Pro (Preview 05-06)3.88
2Gemini 2.0 Flash Lite4.92
3Gemini 2.5 Flash (Preview 05-20)7.66
4Gemini 2.0 Flash (Preview)17.13
5Gemini 2.0 Flash17.75
6Gemini 1.5 Pro (002)20.7
7Gemini 1.5 Pro (001)21.25
8Gemini 1.5 Flash (002)21.41
9Gemini 1.5 Flash (001)49.85

Interactive version: theaggregate.ai/benchmark?slug=helm-audio-speech-robust-bench · How It Works · Data refreshed daily, snapshot 2026-09-08.