SPADE Paper: Self-Play Helps Agents Break Through Static Data Bottlenecks

mhmazur · x · 2026-08-24

The paper introduces SPADE, addressing the stall in post-training reinforcement learning when agents outgrow static datasets. The core idea is turning the curriculum into a moving target by optimizing task generation alongside the policy it trains.

Architecture:

Mechanism: The Designer is trained to maximize the performance gap between hinted and unhinted runs. This forces the system to produce interactive tasks that are solvable but sit just beyond the agent's current unaided ability.

Results: The adaptive curriculum prevents semantic mode collapse and shifts task complexity towards hidden state logic.

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