Official provider results
HeyGen Voice evaluation
HeyGen reports a 76.1/100 voice-clone rating from 43 people judging their own digital twins. A separate platform study gave full-clone 41.7% of 6,153 three-way preference votes.
Source snapshots refreshed
Five measurement lanesVOICE / S2S
Reasoning, task completion, conversation dynamics, experience, and latency stay separate.
Benchmark profile
- Scope
- Provider digital-twin ratings and platform clone preferences
- Primary metric
- Mean rating (1–100) and preference share (%)
- Owner
- HeyGen
- Available evidence
- Provider tables published October 14, 2026
What it measures
Voice experience
Is the exchange natural, robust, and responsive?
Available results
- Digital-twin rating · voice-clone
- 76.1 ±5.3 /100
- Digital-twin rating · full-clone
- 72.6 ±5.8 /100
- Three-way preference · full-clone
- 41.7%
43 participants
HeyGen study; mean and 95% participant-bootstrap interval.
43 participants
Same provider study; a different mode of the same model.
2,564 of 6,153 votes
HeyGen platform study dated October 2, 2026; Cartesia received 35.3% and ElevenLabs v4 23.0%.
Interpretation limit
HeyGen ran the digital-twin and platform studies. The 43-person ratings and 6,153-vote preference shares describe different studies and model modes. These observations do not enter weighted text-model scores. The research publication date does not establish first availability.