AIMarkTechPostabout 5 hours ago
Training Gemma-3 for Math Reasoning with GRPO
9 min read
A tutorial builds an end-to-end GRPO training workflow that teaches Gemma-3 to reason through GSM8K math problems using Tunix, JAX, LoRA, and custom reward functions. The workflow wraps GSM8K examples into a prompt format requiring structured reasoning and a final numeric answer. Reward functions assess format adherence and mathematical correctness, with LoRA adapters keeping training lightweight.
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