Posted 2026-06-10Updated 2026-07-15Study16 minutes read (About 2454 words)PPO vs GRPO — Post-Training Qwen2.5-0.5B-Instruct on GSM8K with veRLComparing PPO and GRPO for post-training Qwen2.5-0.5B-Instruct on GSM8K with veRL.Read more