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Speech v3.1

OSpeech v3.1
Compare in
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API price not publicprice
3.9Open ASR
—released

Ranking?

Full ranking →
1Speech v3.13.92Resonant 1 Flash43Zoom Scribe v14.24Azure Speech 06 20264.35ASR K14.6

Alternatives?

ModelScoreCostPriceWhat changes
OpenPhi 4 Multimodal Instruct-23%—$0.05OpenGranite Speech 3.3 8B-26%——OpenGranite Speech 3.3 2B-27%——OpenQwen 3 ASR 1.7B Hf-32%——HOpenHojo ASR v1-36%——

Benchmarks

in Speech & Voice
Open ASR · average WER3.9#1
Open ASR · AMI Cleaned WER6.4#4
Open ASR · Earnings-22 Cleaned AA Chunked WER4.6#2
Open ASR · GigaSpeech Cleaned WER7.1#4
Open ASR · LibriSpeech Clean WER0.9#2
Open ASR · LibriSpeech Other WER1.9#2
Open ASR · SPGISpeech WER1.6#3
Open ASR · URGENT 2024 WER8.1#2
Open ASR · Voice Arena Monsoon WER3#3
Open ASR · VoxPopuli AA Cleaned WER1.4#2
Open ASR · URGENT 2024 Clean WER3.9#1

FAQ

How much does Speech v3.1 cost?›

There is no per-unit API price: API price not public.

Is Speech v3.1 free to use?›

There is no free API.

How good is Speech v3.1, and what is it best at?›

#1 of 61 in Speech to text.

Is Speech v3.1 better than Resonant 1 Flash?›

On Open ASR · average WER, Speech v3.1 scores 3.9 vs 4 — about the same.

Is Speech v3.1 open source?›

No, Speech v3.1 is a closed model available through an API. The closest open-weights option here is Phi 4 Multimodal Instruct.

What is Speech v3.1?›

Speech v3.1 is a closed speech & voice model from OtterAI.

What are the best alternatives to Speech v3.1?›

Phi 4 Multimodal Instruct (open weights).