Soniox STT-RT v5vsZoom Scribe Pro
Accuracy and speed
Left gets fewer words wrong. Lower has the final text ready sooner.
- STT-RT v52.54% · 38ms
- Scribe Pro1.96% · 162ms
Soniox STT-RT v5 is ahead on time to first text and final-text delay, and Zoom Scribe Pro on the Pipecat Dataset. The Ocular Dataset is too close to call.
Last updated Methodology by Dileep Chagam
Who is better at what
- Pipecat Dataset WER2.54%1.96%
- Ocular Dataset WER3.92%4.84%
- Time to first text1.20s1.70s
- Final-text delay38ms162ms
Lower is better on every measure. Too close to call means the likely ranges overlap.
STT-RT v5 vs Scribe Pro FAQ
Which is more accurate, Soniox STT-RT v5 or Zoom Scribe Pro?
Zoom Scribe Pro is more accurate on the public clips. On the 1,000 public Pipecat clips, Soniox STT-RT v5 scores 2.54% and Zoom Scribe Pro 1.96%, so Zoom Scribe Pro makes fewer errors by 0.58 points. On the eight licensed Ocular recordings, Soniox STT-RT v5 scores 3.92% and Zoom Scribe Pro 4.84%, with likely ranges of 2.60 to 4.86% and 4.23 to 5.43%. The ranges overlap, so the difference is too close to call. Word error rate counts incorrect, missing, and extra words, so lower is better.
Zoom Scribe Pro is more accurate on the public clips. On the 1,000 public Pipecat clips, Soniox STT-RT v5 scores 2.54% and Zoom Scribe Pro 1.96%, so Zoom Scribe Pro makes fewer errors by 0.58 points. On the eight licensed Ocular recordings, Soniox STT-RT v5 scores 3.92% and Zoom Scribe Pro 4.84%, with likely ranges of 2.60 to 4.86% and 4.23 to 5.43%. The ranges overlap, so the difference is too close to call. Word error rate counts incorrect, missing, and extra words, so lower is better.
Yes. Soniox STT-RT v5 finishes the transcript 124ms sooner. Soniox STT-RT v5 has the final transcript 38ms after the speaker stops and Zoom Scribe Pro 162ms, at the median. Both are measured on the same 206 streamed turns.
Soniox STT-RT v5 finishes the transcript 124ms sooner, and the two are too close to call on real conversations. 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. Soniox STT-RT v5 shows first text after 1.20s and Zoom Scribe Pro after 1.70s, at the median, so Soniox STT-RT v5 is 504ms sooner.