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Medical Model Trained with RL

·2026.04.15 15:17

Key point

A 32B medical LLM built with SeedRL was released, with thinking mode set as the default.

Details

HuatuoGPT-3 is an open-source medical LLM built using SeedRL, an RL-only domain adaptation method. It presents an approach that converts a base model into a medical-expert level through just a single RL stage.

HuatuoGPT-3-32B is a 33B params / BF16 model based on Qwen3-32B, and it is set by default to thinking mode, which outputs <think>...</think> reasoning blocks.

The model lineup is as follows.

  • HuatuoGPT-3-32B: medical LLM based on Qwen3-32B
  • HuatuoGPT-3-8B: based on Qwen3-8B-Base
  • HuatuoGPT-3-7B-Pangu: based on openPangu-Embedded-7B

Deployment is possible with serving tools like vLLM or SGLang, and an example of direct inference using transformers is also provided. The example prompt is a medical query asking what should be considered first for a patient with fever, cough, and difficulty breathing.

The paper citation information is still in arXiv preprint format, and the authors are listed as Coming soon.

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