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⚡️ 100 GRPO steps on a free Colab GPU lift a 350M model's structured output score by 7 points

Hugging Face fine-tuned LiquidAI/LFM2.5-350M with GRPO in TRL on ~500 samples and three reward functions: IFStruct rose from 22.6% to 29.7% overall and from 18.0% to 31.9% on JSON, on a 16 GB free-tier Colab or Kaggle GPU with LoRA r=16.

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huggingface.co Fine-tuning a 350M Model for Better Structured Outputs in 100 GRPO Steps We’re on a journey to advance and democratize artificial intelligence through open source and open science.
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