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Image: reddit.com · Video still: Claude Opus helped me implement what I have long been trying

Worked Proof shown

An old physically based animation paper implemented from scratch

Opus 5.5 implemented a SIGGRAPH-era animation paper that had no released code, after other models produced unusable results.

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Credits

  • Reddit poster bssrdf Source ↗

Earliest dated source: 28 Sept 2026

The full story

The poster likes implementing old physically based animation papers that had no source code released. For one paper they had tried a local Qwen model, GLM and Kimi, all of which produced almost unusable results.

Opus 5.5 finished it within a few hours, using 40 percent of a five-hour limit.

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Sources

From a short post by the maker, so the details are as they tell them.

  • Reddit: Claude Opus helped me implement what I have long been tryingForum threadreddit.com
    Reddit poster: bssrdfPosted 28 Sept 2026

    The maker's post on r/ClaudeAI.

    If it disappears: archived copy of Reddit: Claude Opus helped me implement what I have long been trying (opens in a new tab)

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