RTMC aggregates returns across rollout trees to produce step-level Q-values and advantages, improving pass@1 by 3.2 points over GRPO on SWE-bench Verified.
Sutton, David A
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RTMC: Step-Level Credit Assignment via Rollout Trees
RTMC aggregates returns across rollout trees to produce step-level Q-values and advantages, improving pass@1 by 3.2 points over GRPO on SWE-bench Verified.