Explainers & Education · Oct 11, 2026

CLAUDE OPUS 5.5 VS DEEPSEEK V4.1 FLASH. SAME PROMPT. VERY DIFFERENT RESULT.

CLAUDE OPUS 5.5 VS DEEPSEEK V4.1 FLASH. SAME PROMPT. VERY DIFFERENT RESULT. by hermaeus. Watch the explainers & education video and visit the original X post.

hermaeus@polyhermaeus
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Opus 5.5 · creator-reported
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CLAUDE OPUS 5.5 VS DEEPSEEK V4.1 FLASH. SAME PROMPT. VERY DIFFERENT RESULT. i gave both models one task. show how my videos are made, from prompt to export. the workflow had 5 steps and 9 seconds to explain them. DeepSeek V4.1 Flash turns the scene into a blurry mess. once the motion starts, it gets hard to tell what is moving and where to look. Opus 5.5 keeps the scene sharp. each step stays readable while the camera and objects move. 01 write the prompt → 02 build the scene → 03 add physics + motion → 04 render frame by frame → 05 split screen + export DeepSeek loses the workflow inside the blur. Opus keeps it clear enough to follow on the first watch. 1 prompt. 2 models. 5 steps. DeepSeek feels like a rough render.
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Video and prompt by hermaeus. Original post ↗