A representation an AI builds of how the world works — its physics, objects, causality — that lets it predict and plan.
The three-world model is a lens of political analysis describing the world during the Cold War.
AMI raised $1.03 billion.[\[9\]](https://en.wikipedia.org/wiki/World_model_(artificial_intelligence)#cite_note-9) In April 2026, [Alibaba](https://en.wikipedia.org/wiki/Alibaba_Group "Alibaba Group") announced Happy O…
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."
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.
Add your own interpretation of "world model".
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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An AI model trained on comprehensive data, enabling its application across various use cases such as chatbots and generative AI.
An LLM trained or configured to produce long chains of internal "thinking" tokens before answering — trading latency for higher accuracy on complex problems. OpenAI's o1 and Claude's extended thinking are examples.
A massive, general-purpose AI model trained on broad data, from which smaller specialized models are built. GPT, Claude, Gemini, Llama are foundation models.
The AI architecture behind most modern image/video generators (Stable Diffusion, Sora, Veo, Midjourney). Works by progressively denoising random noise into a coherent output over dozens of steps. A parallel track to LLMs that powers generative media.
If you tried to come up with the best way to actually predict the next token, a world model seems like an incredibly strong component.
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.
"world model" is slang. It means: A representation an AI builds of how the world works — its physics, objects, causality — that lets it predict and plan. Register: casual. Use it in: casual conversation and online posts. Avoid in: formal writing and professional emails.
“The three-world model is a lens of political analysis describing the world during the Cold War.”
“AMI raised $1.03 billion.[\[9\]](https://en.wikipedia.org/wiki/World_model_(artificial_intelligence)#cite_note-9) In April 2026, [Alibaba](https://en.wikipedia.org/wiki/Alibaba_Group "Alibaba Group") announced Happy Oyster, its world model designed for real-time and “flowy” world model.”
“If you tried to come up with the best way to actually predict the next token, a world model seems like an incredibly strong component.”
“At which point, why don’t i just do the above scan ahead X moves since i have to do the hard parts of manually building the world model anyway?<br>One area where current ai is helping is on the heuristics themselves for evaluating best moves when scanning ahead.”
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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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