Google Chirp 3vsZoom 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)
  • Chirp 32.00% · 475ms
  • Scribe Pro1.96% · 162ms

Zoom Scribe Pro is ahead of Google Chirp 3 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

Chirp 3Scribe Pro
  • Pipecat Dataset WER2.00%1.96%
  • Ocular Dataset WER4.19%4.84%
  • Time to first text4.48s1.70s
  • Final-text delay475ms162ms

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

Chirp 3 vs Scribe Pro FAQ

  • Google Chirp 3 and Zoom Scribe Pro are too close to call on accuracy. On the 1,000 public Pipecat clips, Google Chirp 3 scores 2.00% and Zoom Scribe Pro 1.96%, with likely ranges of 1.77 to 2.25% and 1.73 to 2.20%. The ranges overlap, so the difference is too close to call. On the eight licensed Ocular recordings, Google Chirp 3 scores 4.19% and Zoom Scribe Pro 4.84%, with likely ranges of 2.97 to 5.27% 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.

  • No. Zoom Scribe Pro finishes the transcript 313ms sooner. Google Chirp 3 has the final transcript 475ms after the speaker stops and Zoom Scribe Pro 162ms, at the median. Both are measured on the same 206 streamed turns.

  • Zoom Scribe Pro finishes the transcript 313ms 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. Google Chirp 3 shows first text after 4.48s and Zoom Scribe Pro after 1.70s, at the median, so Zoom Scribe Pro is 2.78s sooner.