Open ASR · AMI-Cleaned WER ↗English short-form; normalization unversioned
6.96% WERibm-granite/granite-speech-4.1-2b-nar
ibm-graniteDiscovered Oct 17, 2026
ibm-granite/granite-speech-4.1-2b-nar
2B parameters · 5 languages · Encoder: Conformer-based · Decoder: Hybrid CTC-LLM
Measured performance
All leaderboards ↗Benchmark results
Word error rate · lower is better
Open ASR · Earnings22-Cleaned-AA-chunked WER ↗English short-form; normalization unversioned
6.67% WERibm-granite/granite-speech-4.1-2b-nar
Open ASR · Gigaspeech-Cleaned WER ↗English short-form; normalization unversioned
8.61% WERibm-granite/granite-speech-4.1-2b-nar
Open ASR · LS Clean WER ↗English short-form; normalization unversioned
1.04% WERibm-granite/granite-speech-4.1-2b-nar
Open ASR · LS Other WER ↗English short-form; normalization unversioned
2.4% WERibm-granite/granite-speech-4.1-2b-nar
Open ASR · SPGISpeech WER ↗English short-form; normalization unversioned
3.23% WERibm-granite/granite-speech-4.1-2b-nar
Open ASR · URGENT2024 WER ↗English short-form; normalization unversioned
11.19% WERibm-granite/granite-speech-4.1-2b-nar
Open ASR · Voice Arena Monsoon WER ↗English short-form; normalization unversioned
4.24% WERibm-granite/granite-speech-4.1-2b-nar
Open ASR · Voxpopuli-AA-Cleaned WER ↗English short-form; normalization unversioned
4.25% WERibm-granite/granite-speech-4.1-2b-nar
Access & cost
0 quotesPrices across providers
No listed provider price
Model specifications
- Developer
- ibm-granite
- Modality
- Audio
- Context
- Not reported
- Maximum output
- Not reported
- Weights
- Not reported
- First discovered
- Oct 17, 2026
Exact identities
- open-asr
ibm-granite%2Fgranite-speech-4.1-2b-nar
Sources
Updated Oct 21, 2026
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