IFM open-sources PAN 2, a foundation world model that predicts the next world state
HeyAmit_ · x · 2026-11-11
IFM introduces PAN 2, an open foundation world model for physical intelligence. Unlike a language model predicting the next word, PAN 2 predicts the next world: what happens after each action, grounded in time, physics and space — moving toward AI that can simulate "what if?" before acting.
The retweeter highlights the six-dimension evaluation from IFM, grading world models on causal coherence and entity persistence ("whether the cup's still there"), and hopes to see more world models graded this way.
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