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Gemini 4 Hydrogen vs Opus: The four prompts, both builds and the scoreboard

All four test prompts from the Hydrogen vs Opus carousel, both models' builds to open yourself, the full scoreboard from Google's own tables, and the two commands to run the same tests on Hydrogen and Opus 5.5.

Charlie Hills Added 13 November 2026 · Free

What’s inside

  1. 1The four tests at a glance
  2. 21. The four prompts
  3. 32. Both models' builds
  4. 43. The full scoreboard
  5. 54. How to get Hydrogen
  6. 65. Which one, when
  7. 76. When something does not work

The four tests at a glance

Test

Gemini 4 Hydrogen

Opus 5.5
  1. Motion showreel

13.5 min, $0.90

21.9 min, $2.58
  1. 3D airplane

10.9 min, $1.39

20.4 min, $4.67
  1. The White House in 3D

9.3 min, $1.05

21.8 min, $4.85
  1. X-ray motorcycle

11.1 min, $1.43

12.2 min, $2.99

All four

44.8 min, $4.77

76.3 min, $15.09

That’s the first part. The rest of this guide is free too.

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