Prompt Dominance and Asymmetric Verifier Costs: Empirical Ablations of GRPO at 1B Scale on GSM8K

arXiv:2610.04928 · cs.LG · Submitted 2026-10-04 · Read on arXiv

cs.LG

Submitted: 2026-10-04

Updated: 2026-10-04

Code: https://github.com/Helios-YQH/llm-from-scratch

Terminology

• Ablation — 1× in this paper · explained in 1 episode
• GRPO — 1× in this paper · explained in 6 episodes
• Verifier — 1× in this paper · explained in 2 episodes

Sources

• Large Language Monkeys: Scaling Inference Compute with Repeated Sampling
• Evaluating Large Language Models Trained on Code
• Training Verifiers to Solve Math Word Problems
• DeepSeek-R1: Incentivizing Reasoning Capability in LLMs via Reinforcement Learning
• Tulu 3: Pushing Frontiers in Open Language Model Post-Training
• Let's Verify Step by Step
• Understanding R1-Zero-Like Training: A Critical Perspective
• Concrete Problems in AI Safety
• DeepSeekMath: Pushing the Limits of Mathematical Reasoning in Open Language Models
• Solving math word problems with process- and outcome-based feedback
• DAPO: An Open-Source LLM Reinforcement Learning System at Scale
• Group Sequence Policy Optimization

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