# PPO vs GRPO辩论：策略梯度才是关键

- 来源：Nathan Lambert (@natolambert)
- 发布时间：2026-06-17 21:38
- AIHOT 分数：28
- AIHOT 链接：https://aihot.virxact.com/items/cmqi4ikv505j9slf0wuae724k
- 原文链接：https://x.com/natolambert/status/2067240545152634880

## AI 摘要

我还没准备好面对这场PPO vs GRPO的辩论。又是老调重弹。事实就是策略梯度好。

## 正文

I was not ready for this PPO vs GRPO debate. Here we go again. The truth is just that policy gradient good.