s

ASR K1

sASR K1
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API price not publicprice
4.6Open ASR
—released

Ranking?

Full ranking →
1Speech v3.13.92Resonant 1 Flash43Zoom Scribe v14.24Azure Speech 06 20264.35ASR K14.66Zoom Scribe V2 Pro4.8

Alternatives?

ModelScoreCostPriceWhat changes
OpenPhi 4 Multimodal Instructsame—$0.05OpenGranite Speech 3.3 8Bsame——OpenGranite Speech 3.3 2Bsame——OpenQwen 3 ASR 1.7B Hf-20%——HOpenHojo ASR v1-24%——

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 Azure Speech 06 2026?›

On Open ASR · average WER, ASR K1 scores 4.6 vs 4.3 — 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 Phi 4 Multimodal Instruct.

What is ASR K1?›

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

What are the best alternatives to ASR K1?›

Phi 4 Multimodal Instruct (open weights).