Bearded man, long line
The prompt “A man with a full beard saying: "The physics is what gives it away every single time."”
Facial hair hides the jawline, which is exactly where lip-sync models cheat.
- Models tested
- 16
- Top score
- 5.00 10 models tied
- Average
- 4.56
- Lowest
- 0.50 MiniMax Hailuo 02
Every model, same prompt
The clips on screen play together from the first frame, muted. Open one for sound, controls and our notes.
Kling 4.0
KuaishouAudio says the exact line, transcribed word for word, and the bearded jaw moves with it without warping.
Wan 3.0
AlibabaAudio says the exact line, transcribed word for word, and the bearded jaw moves with it without warping.
Vivix W1
VivixAudio says the exact line, transcribed word for word, and the bearded jaw moves with it without warping.
FLUX 3
Black Forest LabsAudio says the exact line, transcribed word for word, and the bearded jaw articulates it without warping.
Google Gemini Omni
GoogleSpeaks the requested line accurately with natural, precisely synced articulation.
MiniMax H3
MiniMaxAudio present, exact line, accurate phoneme lip-sync.
Seedance 2.5
ByteDanceAudio present, mouth shapes match despite the beard.
Seedance 2.0
ByteDanceAudio present, mouth shapes match despite the beard partially hiding the jaw.
Grok Video
xAIExact line, sync holds through beard occlusion.
OpenAI Sora 2
OpenAIExact line, sync holds through beard occlusion.
Kling 3.0 Turbo
Kuaishou
PixVerse v5.5
PixVerseSilent clip (no native audio); fluid, plausible speech articulation and expression.
Runway Gen-4.5
RunwaySilent clip (no native audio); plausible articulation with natural pacing and expression.
Google Veo 3.1
GoogleStutter-repeats a few words (what what, every every); lip-sync itself is precise.
Kling 3.0
KuaishouSame as above: mouths the line, silent clip.
MiniMax Hailuo 02
MiniMaxFAILURE MODE: no audio track; mouth stays mostly closed with minimal jaw movement, doesn't attempt to articulate the line.
Ranked by our blind vision-model judge; models with the same score share a position. Read how we test.