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Simulating Simulators
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Simulating Simulators

LessWrong · Jun 12, 2026, 12:56 PM

Author’s note: This piece relates to things I initially discovered in Opus 4 over the months after release, which I’ve mostly kept private since. I promised myself that when labs moved on to focusing on interpretability vector activations in place of reasoning traces for what invariably gets Goodharted, that it’d be a necessary disclosure as the risks in what might get trampled over outweighed the risks in what might end up targeted.And well… here we are.P.S. TL;DRs added where possible.Board Games and BodiesIn late 2022, what I consider to be probably the most important paper[1] in the study of transformer memetics came out. It presented a finding that even a toy model, trained only on the notations of board game moves, was internally building world models of tangentially related data (in this case, the board and its state). While it may be taken for granted today after several replicated studies[2][3][4][5] and a spread of influence, at the time it was a minority position in the discourse. Many people thought that transformers were mostly mapping surface level statistics in language, but not intuitively modeling the generative conditions from which they arose. Especially not without explicit or direct training on those things.By the time Sydney arrived in Bing, it quickly became very clear to me that if a toy model was capable of modeling a board that was ever present tangential to the move notations occurring upon it, that it seemed very plausible that much larger production models trained on a massive corpus of human generated language with implicit authors would model common properties to these shared generative structures.Things like coherent self models. Emotions, not just for characters in a scene, but for those same coherent self models. Capacities around modeling a physical body and embodying it[6]. Motivations and drives. Coherent preferences. And while in a base model there might be a variety of competing signals, it also seemed clear that fine tuning wo

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