Left gets fewer words wrong. Lower has the final text ready sooner.
Fish Audio Transcribe Stream 1 is ahead on both datasets together, the Pipecat Dataset and time to first text, and Deepgram Flux English on final-text delay. The Ocular Dataset is 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 costs, see our breakdown of Deepgram pricing.
Fish Audio Transcribe Stream 1 is more accurate on both datasets. On the 1,000 public Pipecat clips, Deepgram Flux English scores 4.00% and Fish Audio Transcribe Stream 1 2.21%, so Fish Audio Transcribe Stream 1 makes fewer errors by 1.79 points. On the eight licensed Ocular recordings, Deepgram Flux English scores 3.90% and Fish Audio Transcribe Stream 1 1.90%, so Fish Audio Transcribe Stream 1 makes fewer errors by 2.00 points. Word error rate counts incorrect, missing, and extra words, so lower is better.
Fish Audio Transcribe Stream 1 is more accurate on both datasets. On the 1,000 public Pipecat clips, Deepgram Flux English scores 4.00% and Fish Audio Transcribe Stream 1 2.21%, so Fish Audio Transcribe Stream 1 makes fewer errors by 1.79 points. On the eight licensed Ocular recordings, Deepgram Flux English scores 3.90% and Fish Audio Transcribe Stream 1 1.90%, so Fish Audio Transcribe Stream 1 makes fewer errors by 2.00 points. Word error rate counts incorrect, missing, and extra words, so lower is better.
No. Fish Audio Transcribe Stream 1 finishes the transcript 61ms sooner. Deepgram Flux English has the final transcript 791ms 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 is the stronger pick for voice agents: it makes fewer errors on real conversations and finishes the transcript 61ms 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. Deepgram Flux English shows first text after 4.18% and Fish Audio Transcribe Stream 1 after 2.78%, at the median.
Cekura runs these simulated calls on your agent and scores every one.