CPPO is an on-policy contrastive RL method that derives advantages from contrastive Q-values for PPO optimization, outperforming prior CRL baselines in 14/18 tasks and matching or exceeding reward-based PPO in 12/18 tasks.
We evaluate on three tasks:Reacher, Ant, andAnt U-Maze
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Self-Supervised On-Policy Reinforcement Learning via Contrastive Proximal Policy Optimisation
CPPO is an on-policy contrastive RL method that derives advantages from contrastive Q-values for PPO optimization, outperforming prior CRL baselines in 14/18 tasks and matching or exceeding reward-based PPO in 12/18 tasks.