Fish Audio Transcribe Stream 1 vs Soniox STT-RT v5
Accuracy and speed
Left gets fewer words wrong. Lower has the final text ready sooner.
- Transcribe Stream 11.90% · 123ms
- STT-RT v52.54% · 38ms
Fish Audio Transcribe Stream 1 is ahead on both datasets together, the Pipecat Dataset and time to first text, and Soniox STT-RT v5 on final-text delay. The Ocular Dataset is too close to call.
Last updated Methodology by Dileep Chagam
Who is better at what
- Overall WER2.21%3.02%
- Pipecat Dataset WER1.90%2.54%
- Ocular Dataset WER2.78%3.92%
- Time to first text730ms1.20s
- Final-text delay123ms38ms
Lower is better on every measure. Too close to call means the likely ranges overlap. Our guide explains how word error rate is measured.
Transcribe Stream 1 vs STT-RT v5 FAQ
Which is more accurate, Fish Audio Transcribe Stream 1 or Soniox STT-RT v5?
Fish Audio Transcribe Stream 1 is more accurate on both datasets. On the 1,000 public Pipecat clips, Fish Audio Transcribe Stream 1 scores 2.21% and Soniox STT-RT v5 3.02%, so Fish Audio Transcribe Stream 1 makes fewer errors by 0.82 points. On the eight licensed Ocular recordings, Fish Audio Transcribe Stream 1 scores 1.90% and Soniox STT-RT v5 2.54%, so Fish Audio Transcribe Stream 1 makes fewer errors by 0.64 points. Word error rate counts incorrect, missing, and extra words, so lower is better.
Fish Audio Transcribe Stream 1 is more accurate on both datasets. On the 1,000 public Pipecat clips, Fish Audio Transcribe Stream 1 scores 2.21% and Soniox STT-RT v5 3.02%, so Fish Audio Transcribe Stream 1 makes fewer errors by 0.82 points. On the eight licensed Ocular recordings, Fish Audio Transcribe Stream 1 scores 1.90% and Soniox STT-RT v5 2.54%, so Fish Audio Transcribe Stream 1 makes fewer errors by 0.64 points. Word error rate counts incorrect, missing, and extra words, so lower is better.
Yes. Fish Audio Transcribe Stream 1 finishes the transcript 465ms sooner. Fish Audio Transcribe Stream 1 has the final transcript 730ms after the speaker stops and Soniox STT-RT v5 1.20s, at the median. Both are measured on the same 206 streamed turns.
Fish Audio Transcribe Stream 1 is the stronger pick for voice agents: it makes fewer errors on real conversations and finishes the transcript 465ms sooner. A voice agent cannot reply until the final transcript arrives, and the Ocular recordings are real conversations.
Yes, both return partial text before the speaker stops. Fish Audio Transcribe Stream 1 shows first text after 2.78% and Soniox STT-RT v5 after 3.92%, at the median.
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