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A Hugging Face blog post introduces a project that uses TRL and OpenEnv to train a coding model to paint watercolors: the model outputs about 150 lines of JavaScript code and paints via the p5.brush library, and the prompt allows only 10 of the library's 47 methods. The reward is jointly given by the HPSv3 open 7B preference model and a Qwen3-VL-30B-A3B-Instruct pairwise judge, which compares candidate paintings with 4 randomly drawn reference images; three runs with different weight ratios were trained in total.
A Hugging Face blog post introduces a project that uses TRL and OpenEnv to train a coding model to paint watercolors: the model outputs about 150 lines of JavaScript code and paints via the p5.brush library, and the prompt allows only 10 of the library's 47 methods. The reward is jointly given by the HPSv3 open 7B preference model and a Qwen3-VL-30B-A3B-Instruct pairwise judge, which compares candidate paintings with 4 randomly drawn reference images; three runs with different weight ratios were
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Tencent Hunyuan releases Hy4 preview, with 770B total parameters, 49B activated, and support for 1M context, positioned for productivity scenarios and the open-source frontier, and emphasizing stable and affordable pricing. The official announcement also provides blog, Hugging Face, and GitHub entry points, and invites users to give feedback on issues.
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