Inworld STT-1vsZoom Scribe Pro

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Accuracy and speed

Left gets fewer words wrong. Lower has the final text ready sooner.

Accurate and fast0ms200ms400ms600ms800ms0%2%4%6%8%Words wrong on clean audio (Pipecat WER)
  • STT-12.72% · 41ms
  • Scribe Pro1.96% · 162ms

Inworld STT-1 is ahead of Zoom Scribe Pro on time to first text and final-text delay. The Pipecat Dataset and The Ocular Dataset are too close to call.

Last updated Methodology by Dileep Chagam

Who is better at what

STT-1Scribe Pro
  • Pipecat Dataset WER2.72%1.96%
  • Ocular Dataset WER10.60%4.84%
  • Time to first text1.06s1.70s
  • Final-text delay41ms162ms

Lower is better on every measure. Too close to call means the likely ranges overlap.

STT-1 vs Scribe Pro FAQ

  • Inworld STT-1 and Zoom Scribe Pro are too close to call on accuracy. On the 1,000 public Pipecat clips, Inworld STT-1 scores 2.72% and Zoom Scribe Pro 1.96%, with likely ranges of 1.67 to 4.68% and 1.73 to 2.20%. The ranges overlap, so the difference is too close to call. On the eight licensed Ocular recordings, Inworld STT-1 scores 10.60% and Zoom Scribe Pro 4.84%, with likely ranges of 3.85 to 22.76% 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. Inworld STT-1 finishes the transcript 121ms sooner. Inworld STT-1 has the final transcript 41ms after the speaker stops and Zoom Scribe Pro 162ms, at the median. Both are measured on the same 206 streamed turns.

  • Inworld STT-1 finishes the transcript 121ms 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. Inworld STT-1 shows first text after 1.06s and Zoom Scribe Pro after 1.70s, at the median, so Inworld STT-1 is 636ms sooner.