Bias-resistant comparison tool

Blind AI Voice A/B Test

Load two audio files locally, hide the provider names, compare them on the same criteria and reveal labels only after making a preference decision. Audio stays in your browser.

Voice A

Voice B

Blind scoring

Pick the better sample for each criterion

Naturalness

Pronunciation accuracy

Pacing & emphasis

Overall preference

How to use it fairly

Same input, same editing, hidden labels

  1. Generate both samples from the same benchmark sentence or paragraph.
  2. Match loudness approximately before testing.
  3. Do not reveal provider names to the listener before voting.
  4. Record the model/voice and settings separately.
  5. For research, repeat across several clips and multiple listeners.
Privacy

Local browser tool

This version does not upload or aggregate your audio or votes. It is a research runner, not yet a public crowd-voting system. Aggregate leaderboards will only be added with explicit data collection and methodology disclosure.