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Stt Async v5

SStt Async v5
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API price not publicprice
2.7Open ASR
—released

Ranking?

Full ranking →
1Speechmatics Enhanced2.12Azure Speech 06 20262.23Azure Speech 07 20262.44Scribe v22.65Universal 3.5 Pro2.7
···
21Phi 4 Multimodal Instruct422Stt Async v54.323Whisper Large v34.3

Benchmarks

in Speech & Voice
Open ASR · French FLEURS WER4.2#16
Open ASR · French MCV WER9.8#27
Open ASR · French MLS WER4.6#23
Open ASR · German FLEURS WER2.7#11
Open ASR · German MCV WER4.6#21
Open ASR · Spanish FLEURS WER2.4#10
Open ASR · Spanish MCV WER4.3#22
Open ASR · Spanish MLS WER3.4#18
Open ASR · Italian FLEURS WER1.7#10
Open ASR · Italian MCV WER4#19
Open ASR · Italian MLS WER6.9#23
Open ASR · Portuguese FLEURS WER3.1#6
Open ASR · Portuguese MLS WER4.9#11
Open ASR · Hindi Monsoon WER8.8#5
Open ASR · Dutch FLEURS WER3.8#8
Open ASR · Dutch MCV WER3.9#11
Open ASR · Dutch MLS WER8#22

FAQ

How much does Stt Async v5 cost?›

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

Is Stt Async v5 free to use?›

There is no free API.

How good is Stt Async v5, and what is it best at?›

#11 of 40 in Speech to text.

Is Stt Async v5 better than Phi 4 Multimodal Instruct?›

On Open ASR · Spanish MCV WER, Stt Async v5 scores 4.3 vs 4 — about the same.

Is Stt Async v5 open source?›

No, Stt Async v5 is a closed model available through an API. The closest open-weights option here is Cohere Transcribe 03 2026.

What is Stt Async v5?›

Stt Async v5 is a closed speech & voice model from Soniox.

What are the best alternatives to Stt Async v5?›

Speechmatics Enhanced (better), Cohere Transcribe 03 2026 (open weights).