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Solar System Animation

Prompt: Create a single-file HTML/CSS animation of the Solar System against a dark background, using no JavaScript or external images. The output must feature a stationary Sun and all 8 primary planets (Mercury through Neptune) orbiting it continuously in the correct order using infinite CSS loops. Also include the Moon orbiting Earth and add labels to the planets. The design must be scalable and optimized for a 1:1 aspect ratio by default.

Models tested:
283
Total cost:
$11.54
Total time:
9h 15m
283/283

Model outputs

Shown: 20 Total: 283 Valid: 226 Invalid: 57

#81 Qwen3.8 27B

low
Cost
~$0.004
Time
117.5s
Tokens
8,990 tok

#85 GLM 5.2

medium
Cost
$0.047
Time
135.5s
Tokens
10,705 tok

#88 Qwen3.8 27B

medium
Cost
~$0.002
Time
56.0s
Tokens
4,217 tok

#92 GLM 5

medium
Cost
$0.012
Time
52.0s
Tokens
5,558 tok