A representation an AI builds of how the world works — its physics, objects, causality — that lets it predict and plan. Current LLMs have shaky world models; video models like Sora and Veo show emergent ones.
"Self-driving needs a real world model, not just pattern matching on pixels."
“The three-world model is a lens of political analysis describing the world during the Cold War.”
world model means A representation an AI builds of how the world works — its physics, objects, causality — that lets it predict and plan. It's mostly used in casual online conversation. It's casual and generally safe with friends and online. It's standard online vocabulary; nothing inherently concerning about hearing it.
Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.
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The vocabulary of software engineers, AI researchers, and anyone living in a terminal or on GitHub — from LLM to MCP, CORS to vibe coding, agentic to enshittification.
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A predictive model that has been internalised by an agent which is used to forecast what consequences its actions will have on the environment (i.e. world) that it interacts with.
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