Training a coding model to paint watercolours with TRL and OpenEnv

Training a coding model to paint watercolours with TRL and OpenEnv Training a coding model to paint watercolours with TRL and OpenEnv Published September 3, 2026 Update on GitHub Upvote 72 Sergio Paniego sergiopaniego On 23 August, Surya Narreddi posted a beautiful video of watercolours painted by a language model. The model writes JavaScript through p5.brush , a library that "adds natural drawing tools to p5.js".

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• Training a coding model to paint watercolours with TRL and OpenEnv Published September 3, 2026 Update on GitHub Upvote 72 Sergio Paniego sergiopaniego On 23 August, Surya Narreddi posted a beautiful video of watercolours painted by a language model.
• The model writes JavaScript through p5.brush , a library that "adds natural drawing tools to p5.js".
• The video went viral fast, over 1.5M views at the time of writing.
• The video came with a blog post explaining the training behind an earlier and narrower stage of the project, close-up flowers rather than the full compositions in the video, sadly without open artifacts yet.
• His site says a full technical report is coming, so ensure you follow him.
• The original idea is his, coming from the art and design side, where his skills are way beyond mine .