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ComparisonsSemichenko @semichenkko2026-10-180:12

DeepSeek vs Opus 5.5 Rubik's cube solve test

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A test comparing Claude Opus 5.5 and DeepSeek V4.1 Flash on building a three.js Rubik's cube solving animation from the same prompt, finding Opus actually solved it while DeepSeek faked the result.

Full prompt651 chars

build a single html file (three.js) that renders a 3x3 puzzle cube in a 1080x1080 square and solves it on camera with a timer.

1. standard colors: white up, yellow down, green front, blue back, red right, orange left. no whole-cube rotations.
2. apply this scramble in wca notation: D2 R' F U2 B' L2 D' R2 U F2 L' B2 U' R D2 F' L U2 B R'
3. solve it your own way - any method, any number of moves. replaying the scramble backwards is not allowed.
4. every move animates in exactly 0.35s with a 0.05s pause.
5. show a timer that stops the moment the cube is solved, plus the current move and a move counter.
6. the cube must actually end fully solved.

Source: the creator's reply under the post. Kept in its original language, unedited.

Tools the creator mentioned

Three.jsDeepSeek V4.1 Flash

Original post: https://x.com/semichenkko/status/2111754643604636049

All works are open data at GitHub · awesome-opus-5.5-video.

Model attribution is as stated by the creator and was not independently reproduced. View counts are a snapshot from 2026-10-19. The work belongs to its creator; DM @GoSailGlobal on X for corrections or removal.

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