Deepgram Flux English vs Fish Audio Transcribe Stream 1

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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)
  • Flux English3.90% · 108ms
  • Transcribe Stream 11.90% · 123ms

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

Who is better at what

Flux EnglishTranscribe Stream 1
  • Overall WER4.00%2.21%
  • Pipecat Dataset WER3.90%1.90%
  • Ocular Dataset WER4.18%2.78%
  • Time to first text791ms730ms
  • Final-text delay108ms123ms

Lower is better on every measure. Too close to call means the likely ranges overlap. For costs, see our breakdown of Deepgram pricing.

Flux English vs Transcribe Stream 1 FAQ

  • 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.

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