SlopTV

Liquids test

Pouring coffee

The prompt: “Coffee being poured into a clear glass cup in slow motion, steam rising, backlit”

Continuous fluid stream, transparency, refraction and steam. The benchmark shot for physics.

Every model, same prompt

#1

Grok Video

xAI

5.00/5 best on this prompt

Accurate turbulence, foam and steam, no artifacts.

#2

Kling 3.0

Kuaishou

4.50/5

Accurate low-viscosity turbulence and foam; no gel artifacts (better physics than Sora on this one).

#3

OpenAI Sora 2

OpenAI

3.33/5

FAILURE MODE: coffee inside the cup forms unnatural gel-like ribbed layers instead of turbulent mixing (00:02.5-00:07.0), despite a good initial pour stream.

Ranked by our blind vision-model judge. Read how we test.

This page ranks by benchmark score only. See affiliate disclosure.