Prints Charming: How Reward Models Finally Got Serious About Long-Horizon Reasoning
Opening — Why this matters now Autonomous agents are getting ambitious. They browse the web, synthesize information, run code, and stretch their context windows to sometimes absurd lengths. But here’s the catch: as their horizons grow, their reasoning tends to unravel. They forget earlier steps, hallucinate causal chains, misinterpret tool outputs, or simply drown in their own context. ...