Deepgram Nova-3 vs Fish Audio Transcribe Stream 1
Accuracy and speed
Left gets fewer words wrong. Lower has the final text ready sooner.
- Nova-33.46% · 103ms
- 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 Nova-3 on final-text delay. The Ocular Dataset is too close to call.
Last updated Methodology by Dileep Chagam
Who is better at what
- Overall WER3.78%2.21%
- Pipecat Dataset WER3.46%1.90%
- Ocular Dataset WER4.39%2.78%
- Time to first text1.06s730ms
- Final-text delay103ms123ms
Lower is better on every measure. Too close to call means the likely ranges overlap. For costs, see our breakdown of Deepgram pricing.
Nova-3 vs Transcribe Stream 1 FAQ
Which is more accurate, Deepgram Nova-3 or Fish Audio Transcribe Stream 1?
Fish Audio Transcribe Stream 1 is more accurate on both datasets. On the 1,000 public Pipecat clips, Deepgram Nova-3 scores 3.78% and Fish Audio Transcribe Stream 1 2.21%, so Fish Audio Transcribe Stream 1 makes fewer errors by 1.58 points. On the eight licensed Ocular recordings, Deepgram Nova-3 scores 3.46% and Fish Audio Transcribe Stream 1 1.90%, so Fish Audio Transcribe Stream 1 makes fewer errors by 1.56 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 Nova-3 scores 3.78% and Fish Audio Transcribe Stream 1 2.21%, so Fish Audio Transcribe Stream 1 makes fewer errors by 1.58 points. On the eight licensed Ocular recordings, Deepgram Nova-3 scores 3.46% and Fish Audio Transcribe Stream 1 1.90%, so Fish Audio Transcribe Stream 1 makes fewer errors by 1.56 points. Word error rate counts incorrect, missing, and extra words, so lower is better.
No. Fish Audio Transcribe Stream 1 finishes the transcript 334ms sooner. Deepgram Nova-3 has the final transcript 1.06s 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 334ms 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 Nova-3 shows first text after 4.39% and Fish Audio Transcribe Stream 1 after 2.78%, at the median.
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