C-Instrument: Automating RL Data Generation and Hillclimbing with a Constitution-Grid Instrument

arXiv:2608.00180 · cs.CL, cs.LG · Submitted 2026-07-31 · Read on arXiv

cs.CL, cs.LG

Submitted: 2026-07-31

Updated: 2026-09-29

Comments: COLM 2026 ER

Code: https://github.com/genius-researcher/c-guard

Project page: https://colm2026-c-guard.vercel.app

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

Terminology

• Accuracy — 7× in this paper · explained in 1 episode
• Verifier — 3× in this paper · explained in 2 episodes
• Benchmark — 2× in this paper · explained in 2 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• GRPO — 2× in this paper · explained in 6 episodes
• Generator — 2× in this paper · explained in 2 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Augmentation — 1× in this paper · explained in 2 episodes
• Composition — 1× in this paper · explained in 2 episodes
• Reinforcement Learning — 1× in this paper · explained in 4 episodes

Sources

• Constitutional AI: Harmlessness from AI Feedback
• Training a Helpful and Harmless Assistant with Reinforcement Learning from Human Feedback
• OR-Bench: An Over-Refusal Benchmark for Large Language Models
• Chasing Random: Instruction Selection Strategies Fail to Generalize
• Calibrated Reasoning: An Explanatory Verifier for Dynamic and Efficient Problem-Solving
• WildGuard: Open One-Stop Moderation Tools for Safety Risks, Jailbreaks, and Refusals of LLMs
• Llama Guard: LLM-based Input-Output Safeguard for Human-AI Conversations
• LIMR: Less is More for RL Scaling
• ToxicChat: Unveiling Hidden Challenges of Toxicity Detection in Real-World User-AI Conversation
• GuardReasoner: Towards Reasoning-based LLM Safeguards
• Direct Preference Optimization: Your Language Model is Secretly a Reward Model
• HaloGuard 1.0: An Open Weights Constitutional Classifier for Multilingual AI Safety
• DeepSeekMath: Pushing the Limits of Mathematical Reasoning in Open Language Models
• Constitutional Classifiers: Defending against Universal Jailbreaks across Thousands of Hours of Red Teaming
• Safety Through Reasoning: An Empirical Study of Reasoning Guardrail Models
• RSafe: Incentivizing proactive reasoning to build robust and adaptive LLM safeguards

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