When2Think: Learning Difficulty-Aware Length Control for Efficient Hybrid Reasoning Models Paper • 2609.19671 • Published 5 days ago • 36
PACT: Can Enterprise AI Assistants Be Trusted Under Pressure? Paper • 2609.18605 • Published 6 days ago • 27
An Open Recipe for IMO Gold: Training Nemotron for Olympiad Mathematics Paper • 2609.10712 • Published 13 days ago • 44
Recognition-Refusal Misalignment in LLMs: Why Models Answer Structurally Unanswerable Questions Paper • 2608.29109 • Published 24 days ago • 17