Fact · Speech recognition
4.39percent word error rate
In the Voxtral paper's Table 6, Gemini 2.5 Flash had a word error rate of 4.39 percent on Multilingual LibriSpeech Spanish.
Quote found word for word on the live source, last checked October 19, 2026
In the source's own words
“Model nl fr de it pt es ... Gemini 2.5 Flash 8.33 6.82 6.52 10.97 7.14 4.39”
Voxtral, Mistral AI, arXiv (Audio and Speech Processing), 2025, Table 6 (Multilingual LibriSpeech), column es.
Open the original- What it measures
- Multilingual LibriSpeech is read audiobook speech in six languages in this table. The table sits in the same paper, so the systems were compared on the same test.
- What it does not show
- One paper's runs under its own text normalization and decoding, so compare systems within this table, not with other papers' numbers. The paper gives no date per row.
In the data
A row of Speech Recognition Accuracy: Word Error Rates, as Gemini 2.5 Flash, MLS Spanish: 4.39 percent.
- System
- Gemini 2.5 Flash
- Kind
- Cloud service
- Test set
- Multilingual LibriSpeech
- Language
- Spanish
- Speech
- Clean read speech
- Year
- 2025