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ASR K1

sASR K1
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on
API price not publicprice
4.6Open ASR
—released
en, elLanguages

Ranking?

Full ranking →
1Zoom Scribe V2 Pro82Speech v3.18.13Universal 3.5 Pro9.14Scribe v29.25Cohere Transcribe 03 20269.5
···
9Multilingual1010ASR K110.111Granite Speech 5.0 470M Turboctc Nc10.2

Benchmarks

in Speech & Voice
Open ASR · average WER4.6#5
Open ASR · AMI Cleaned WER6.3#2
Open ASR · Earnings-22 Cleaned AA Chunked WER5.6#8
Open ASR · GigaSpeech Cleaned WER8#28
Open ASR · LibriSpeech Clean WER0.9#2
Open ASR · LibriSpeech Other WER2.1#3
Open ASR · SPGISpeech WER2.1#18
Open ASR · URGENT 2024 WER10.1#10
Open ASR · Voice Arena Monsoon WER3.3#6
Open ASR · VoxPopuli AA Cleaned WER3.4#25
Open ASR · URGENT 2024 Clean WER4.7#11
Open ASR · German FLEURS WER2.7#12
Open ASR · German MCV WER2.3#5

FAQ

How much does ASR K1 cost?›

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

Is ASR K1 free to use?›

There is no free API.

How good is ASR K1, and what is it best at?›

#5 of 61 in Speech to text.

Is ASR K1 better than Multilingual?›

On Open ASR · URGENT 2024 WER, ASR K1 scores 10.1 vs 10 — about the same.

Is ASR K1 open source?›

No, ASR K1 is a closed model available through an API. The closest open-weights option here is Cohere Transcribe 03 2026.

What is ASR K1?›

ASR K1 is a closed speech & voice model from sophea.

What are the best alternatives to ASR K1?›

Zoom Scribe V2 Pro (better), Cohere Transcribe 03 2026 (open weights).