HELM Audio - Librispeech Fairness: leaderboard

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

Top models

#ModelScore
1Gemini 2.5 Pro (Preview 05-06)3.55
2Gemini 2.0 Flash (Preview)4.08
3Gemini 2.0 Flash4.1
4Gemini 2.0 Flash Lite4.57
5Gemini 1.5 Pro (002)4.87
6Gemini 1.5 Flash (002)5.47
7Gemini 2.5 Flash (Preview 05-20)7.11
8Gemini 1.5 Pro (001)7.24
9Gemini 1.5 Flash (001)28.15

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