Fish Audio Transcribe Stream 1 vs NVIDIA Nemotron 3.5 Transcribe
Accuracy and speed
Left gets fewer words wrong. Lower has the final text ready sooner. Nemotron 3.5 Transcribe doesn't support streaming, so it is not shown.
- Transcribe Stream 11.90% · 123ms
- Nemotron 3.5 Transcribe1.89%
Fish Audio Transcribe Stream 1 is ahead of NVIDIA Nemotron 3.5 Transcribe on both datasets together. The Pipecat Dataset and The Ocular Dataset are too close to call.
Last updated Methodology by Dileep Chagam
Who is better at what
- Overall WER2.21%2.28%
- Pipecat Dataset WER1.90%1.89%
- Ocular Dataset WER2.78%3.03%
- Time to first text730msn/a
- Final-text delay123msn/a
Lower is better on every measure. Too close to call means the likely ranges overlap.
Transcribe Stream 1 vs Nemotron 3.5 Transcribe FAQ
Which is more accurate, Fish Audio Transcribe Stream 1 or NVIDIA Nemotron 3.5 Transcribe?
Fish Audio Transcribe Stream 1 is more accurate on the public clips. On the 1,000 public Pipecat clips, Fish Audio Transcribe Stream 1 scores 2.21% and NVIDIA Nemotron 3.5 Transcribe 2.28%, so Fish Audio Transcribe Stream 1 makes fewer errors by 0.08 points. On the eight licensed Ocular recordings, Fish Audio Transcribe Stream 1 scores 1.90% and NVIDIA Nemotron 3.5 Transcribe 1.89%, with likely ranges of 1.68 to 2.14% and 1.63 to 2.17%. 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, Fish Audio Transcribe Stream 1 scores 2.21% and NVIDIA Nemotron 3.5 Transcribe 2.28%, so Fish Audio Transcribe Stream 1 makes fewer errors by 0.08 points. On the eight licensed Ocular recordings, Fish Audio Transcribe Stream 1 scores 1.90% and NVIDIA Nemotron 3.5 Transcribe 1.89%, with likely ranges of 1.68 to 2.14% and 1.63 to 2.17%. The ranges overlap, so the difference is too close to call. Word error rate counts incorrect, missing, and extra words, so lower is better.
They cannot be compared on speed. NVIDIA Nemotron 3.5 Transcribe was tested on whole recordings rather than a live stream, so its speed is not measured.
The two are too close to call on real conversations. NVIDIA Nemotron 3.5 Transcribe was tested on whole recordings rather than a live stream, so its speed is not measured. A voice agent cannot reply until the final transcript arrives, and the Ocular recordings are real conversations.
NVIDIA Nemotron 3.5 Transcribe was tested on whole recordings rather than a live stream, so whether it streams partial text was not measured. Fish Audio Transcribe Stream 1 returns partial text before the speaker stops.
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