Fun with Large Models
Jun 12, 2025 · Artificial Intelligence
Implement GRPO to Give LLMs Reasoning Ability with Qwen2.5‑0.5B
This article explains the GRPO reinforcement‑learning algorithm, shows its core idea of internal group competition without a separate evaluator model, and provides a complete, step‑by‑step code walkthrough—including environment setup, dataset preparation, reward‑function design, training configuration, and evaluation—using the Qwen2.5‑0.5B‑Instruct model on the GSM8K math dataset.
GRPOGSM8KQwen2.5
0 likes · 23 min read