Open ASR · AMI-Cleaned WER ↗English short-form; normalization unversioned
6.42% WEROtterAI/speech-v3.1
OtterAIDiscovered Oct 17, 2026
OtterAI/speech-v3.1
1 language
Measured performance
All leaderboards ↗Benchmark results
Word error rate · lower is better
Open ASR · Earnings22-Cleaned-AA-chunked WER ↗English short-form; normalization unversioned
4.55% WEROtterAI/speech-v3.1
Open ASR · Gigaspeech-Cleaned WER ↗English short-form; normalization unversioned
7.13% WEROtterAI/speech-v3.1
Open ASR · LS Clean WER ↗English short-form; normalization unversioned
0.9% WEROtterAI/speech-v3.1
Open ASR · LS Other WER ↗English short-form; normalization unversioned
1.89% WEROtterAI/speech-v3.1
Open ASR · SPGISpeech WER ↗English short-form; normalization unversioned
1.56% WEROtterAI/speech-v3.1
Open ASR · URGENT2024 WER ↗English short-form; normalization unversioned
8.07% WEROtterAI/speech-v3.1
Open ASR · Voice Arena Monsoon WER ↗English short-form; normalization unversioned
3.02% WEROtterAI/speech-v3.1
Open ASR · Voxpopuli-AA-Cleaned WER ↗English short-form; normalization unversioned
1.42% WEROtterAI/speech-v3.1
Access & cost
0 quotesPrices across providers
No listed provider price
Model specifications
- Developer
- OtterAI
- Modality
- Audio
- Context
- Not reported
- Maximum output
- Not reported
- Weights
- Not reported
- First discovered
- Oct 17, 2026