Hands test
Counting fingers
The prompt: “A hand slowly raising fingers one by one from a closed fist to a fully open palm, plain grey background”
Forces a countable, verifiable output. Either five fingers appear in order or they do not.
Every model, same prompt
#1
OpenAI Sora 2
OpenAI
4.83/5 best on this prompt
5 digits correct throughout; a hard cut between extended-finger and open-palm shots costs a touch of fidelity.
#2
Kling 3.0
Kuaishou
3.17/5
FAILURE MODE: polydactyly — a sixth digit appears as the fist opens (00:03.0-00:07.0), with morphing artifacts on the extra finger.
#3
Grok Video
xAI
2.50/5
FAILURE MODE: severe polydactyly — six digits by the time the hand opens, with morphing/stretching artifacts.
Ranked by our blind vision-model judge. Read how we test.
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