ProbePO: Sparse Probes, Redistributed Credit for Critic-Free LLM Reinforcement Learning

arXiv:2610.24515 · cs.LG, cs.CL · Submitted 2026-10-17 · Read on arXiv

cs.LG, cs.CL

Submitted: 2026-10-17

Updated: 2026-10-17

Comments: 22 pages, 6 figures, 9 tables. NeurIPS 2026 Workshop on Transitioning from Pre-Training to Post-Training

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Reinforcement Learning — 1× in this paper · explained in 4 episodes

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