Dev argues neurosymbolic world models are just dynamically built code+model RL simulators
willcb · x · 2026-10-03
In an X exchange, willcb argues that a "neurosymbolic world model" is roughly a normal RL environment whose simulators are made of code plus models but constructed dynamically. He adds two practical takes: pairwise agentic judging is powerful because value models don't let you scale judge compute, and with a good sim you can definitely do branching and episode replay.
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