OPCM

SuRe + OPCM: Production-Grade Continual Learning for Open Models

OPLoRA PAPER SuRe PAPER OPCM PAPER YOUTU-AGENT PAPER Every production LLM faces the same brutal constraint: the moment you start adapting a model on new data, it begins forgetting what it already knew. This is catastrophic forgetting — and it is not a theoretical concern. It is the reason most “continually updated” models in production are quietly replaced wholesale every few months rather than genuinely updated in place. For the Zen model family, wholesale replacement is not acceptable....

February 28, 2026 · 8 min · 1602 words · Zen LM Team