AI article
GRPO doesn't remove the reward model. It removes the critic.
Community description: Every time GRPO comes up I see the same slip — someone says it "gets rid of the reward model". It...
Dev.to | Sep 18, 2026 | Arun Kumar
Automated excerpt
In language-model RL, "usually only the last token is assigned a reward score by the reward model". The value model went, the reward model stayed. If someone says GRPO removed the reward model, they've merged two different networks.
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