Cartesia Ink 2vsZoom Scribe
Accuracy and speed
Left gets fewer words wrong. Lower has the final text ready sooner.
- Ink 22.39% · 123ms
- Scribe1.97% · 118ms
Cartesia Ink 2 is ahead on the Ocular Dataset and time to first text, and Zoom Scribe on final-text delay. The Pipecat Dataset is too close to call.
Last updated Methodology by Dileep Chagam
Who is better at what
- Pipecat Dataset WER2.39%1.97%
- Ocular Dataset WER3.09%4.88%
- Time to first text1.51s1.67s
- Final-text delay123ms118ms
Lower is better on every measure. Too close to call means the likely ranges overlap.
Ink 2 vs Scribe FAQ
Which is more accurate, Cartesia Ink 2 or Zoom Scribe?
Cartesia Ink 2 is more accurate on real conversations. On the 1,000 public Pipecat clips, Cartesia Ink 2 scores 2.39% and Zoom Scribe 1.97%, with likely ranges of 2.13 to 2.65% and 1.73 to 2.22%. The ranges overlap, so the difference is too close to call. On the eight licensed Ocular recordings, Cartesia Ink 2 scores 3.09% and Zoom Scribe 4.88%, so Cartesia Ink 2 makes fewer errors by 1.79 points. Word error rate counts incorrect, missing, and extra words, so lower is better.
Cartesia Ink 2 is more accurate on real conversations. On the 1,000 public Pipecat clips, Cartesia Ink 2 scores 2.39% and Zoom Scribe 1.97%, with likely ranges of 2.13 to 2.65% and 1.73 to 2.22%. The ranges overlap, so the difference is too close to call. On the eight licensed Ocular recordings, Cartesia Ink 2 scores 3.09% and Zoom Scribe 4.88%, so Cartesia Ink 2 makes fewer errors by 1.79 points. Word error rate counts incorrect, missing, and extra words, so lower is better.
No. Zoom Scribe finishes the transcript 5ms sooner. Cartesia Ink 2 has the final transcript 123ms after the speaker stops and Zoom Scribe 118ms, at the median. Both are measured on the same 206 streamed turns.
It is a trade-off. Cartesia Ink 2 makes fewer errors on real conversations, while Zoom Scribe finishes the transcript 5ms 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. Cartesia Ink 2 shows first text after 1.51s and Zoom Scribe after 1.67s, at the median, so Cartesia Ink 2 is 157ms sooner.