Left gets fewer words wrong. Lower has the final text ready sooner.
Fish Audio Transcribe Stream 1 is ahead of Cartesia Ink 2 on both datasets together and time to first text. The two tie on 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. For its voices, see our notes on Cartesia text to speech.
Fish Audio Transcribe Stream 1 is more accurate on the public clips. On the 1,000 public Pipecat clips, Cartesia Ink 2 scores 2.63% and Fish Audio Transcribe Stream 1 2.21%, so Fish Audio Transcribe Stream 1 makes fewer errors by 0.42 points. On the eight licensed Ocular recordings, Cartesia Ink 2 scores 2.39% and Fish Audio Transcribe Stream 1 1.90%, with likely ranges of 2.13 to 2.65% and 1.68 to 2.14%. The ranges overlap, so the difference is too close to call. Word error rate counts incorrect, missing, and extra words, so lower is better.
Fish Audio Transcribe Stream 1 is more accurate on the public clips. On the 1,000 public Pipecat clips, Cartesia Ink 2 scores 2.63% and Fish Audio Transcribe Stream 1 2.21%, so Fish Audio Transcribe Stream 1 makes fewer errors by 0.42 points. On the eight licensed Ocular recordings, Cartesia Ink 2 scores 2.39% and Fish Audio Transcribe Stream 1 1.90%, with likely ranges of 2.13 to 2.65% and 1.68 to 2.14%. 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. Fish Audio Transcribe Stream 1 finishes the transcript 781ms sooner. Cartesia Ink 2 has the final transcript 1.51s after the speaker stops and Fish Audio Transcribe Stream 1 730ms, at the median. Both are measured on the same 206 streamed turns.
Fish Audio Transcribe Stream 1 finishes the transcript 781ms 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. Cartesia Ink 2 shows first text after 3.09% and Fish Audio Transcribe Stream 1 after 2.78%, at the median.
Cekura runs these simulated calls on your agent and scores every one.