Left gets fewer words wrong. Lower has the final text ready sooner.
Speechmatics Linden 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
Lower is better on every measure. Too close to call means the likely ranges overlap.
Speechmatics Linden and Zoom Scribe Pro are too close to call on accuracy. On the 1,000 public Pipecat clips, Speechmatics Linden scores 2.46% and Zoom Scribe Pro 1.96%, with likely ranges of 2.19 to 2.73% and 1.73 to 2.20%. The ranges overlap, so the difference is too close to call. On the eight licensed Ocular recordings, Speechmatics Linden scores 3.93% and Zoom Scribe Pro 4.84%, with likely ranges of 2.94 to 5.19% 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.
Speechmatics Linden and Zoom Scribe Pro are too close to call on accuracy. On the 1,000 public Pipecat clips, Speechmatics Linden scores 2.46% and Zoom Scribe Pro 1.96%, with likely ranges of 2.19 to 2.73% and 1.73 to 2.20%. The ranges overlap, so the difference is too close to call. On the eight licensed Ocular recordings, Speechmatics Linden scores 3.93% and Zoom Scribe Pro 4.84%, with likely ranges of 2.94 to 5.19% 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. Speechmatics Linden finishes the transcript 15ms sooner. Speechmatics Linden has the final transcript 147ms after the speaker stops and Zoom Scribe Pro 162ms, at the median. Both are measured on the same 206 streamed turns.
Speechmatics Linden finishes the transcript 15ms 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. Speechmatics Linden shows first text after 1.19s and Zoom Scribe Pro after 1.70s, at the median, so Speechmatics Linden is 509ms sooner.