"Vela: User Behavior as Supervision Sparks LLM Intelligence" Most LLMs learn from text, but rarely from how users actually behave over time, so their ability to understand individual preferences and predict future actions is not great. Vela turns anonymized behavior records from 100,000 users into training tasks, using observed future actions as supervision alongside rubric-based evaluations. Fine-tuning Qwen3.6-35B-A3B improves user-related benchmarks by up to 11.5 points, while also…