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ibm-graniteDiscovered Oct 17, 2026

ibm-granite/granite-speech-5.0-470m-turboctc-nc

0.47B parameters · Encoder: Streaming-style Conformer · Decoder: CTC

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Parameters0.47B
Provider endpoints0
Benchmark results9
Audio inputTranscription
Measured performance

Benchmark results

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Word error rate · lower is better

Open ASR · AMI-Cleaned WER ↗English short-form; normalization unversioned
7.31% WER

ibm-granite/granite-speech-5.0-470m-turboctc-nc

Leaderboard entry
Open ASR · Gigaspeech-Cleaned WER ↗English short-form; normalization unversioned
8.37% WER

ibm-granite/granite-speech-5.0-470m-turboctc-nc

Leaderboard entry
Open ASR · LS Clean WER ↗English short-form; normalization unversioned
1.45% WER

ibm-granite/granite-speech-5.0-470m-turboctc-nc

Leaderboard entry
Open ASR · LS Other WER ↗English short-form; normalization unversioned
2.67% WER

ibm-granite/granite-speech-5.0-470m-turboctc-nc

Leaderboard entry
Open ASR · SPGISpeech WER ↗English short-form; normalization unversioned
1.75% WER

ibm-granite/granite-speech-5.0-470m-turboctc-nc

Leaderboard entry
Open ASR · URGENT2024 WER ↗English short-form; normalization unversioned
10.22% WER

ibm-granite/granite-speech-5.0-470m-turboctc-nc

Leaderboard entry
Open ASR · Voice Arena Monsoon WER ↗English short-form; normalization unversioned
4.3% WER

ibm-granite/granite-speech-5.0-470m-turboctc-nc

Leaderboard entry
Access & cost

Prices across providers

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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-asribm-granite%2Fgranite-speech-5.0-470m-turboctc-nc

Sources

Open ASR Leaderboard ↗

Updated Oct 21, 2026

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