AI Town depicts a virtual town where AI characters live, chat, and socialize.
a16z-infra/ai-town
AI Town is a deployable starter kit for building a virtual town where AI characters live and socialize.
About a16z-infra/ai-town
AI Town is an MIT-licensed, deployable starter kit for building and customizing a virtual town where AI characters live, chat and socialize. It is inspired by the Generative Agents research paper and provides a JavaScript/TypeScript base with shared global state, transactions, and a simulation engine.
Use requires deploying the Convex backend and connecting it to a language model, with support for local inference and OpenAI API-compatible cloud models.
Key features
- Customizable virtual town where AI characters live and socialize
- Backend with shared global state, transactions, and simulation engine
- Local inference via Ollama with default llama3 chat model
- Support for cloud LLMs speaking OpenAI API, including Together.ai
- Optional Clerk authentication for deployments
- Deployment options for Convex cloud, Docker Compose, and Fly.io
Best for: Developers who want a JavaScript/TypeScript starting point for building multi-character AI simulations.
Good for
- MIT-licensed starter kit intended to be customized and extended
- Works with local inference and OpenAI API-compatible cloud models
- Multiple deployment paths including self-hosted Docker Compose
Watch out for
- Requires building, deploying, and connecting to a language model
- Standard cloud development requires a Convex account
a16z-infra/ai-town at a glance
- Category
- AI & Machine Learning › AI Agents & Automation
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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a16z-infra/ai-town FAQ
What is required to run AI Town?
Build and deploy the backend on Convex, then connect it to a language model.
Which language models can it use?
Default chat model is llama3 via local Ollama, with configuration for Together.ai or other models that speak the OpenAI API.
Can it be run without a Convex account?
Yes, using the self-hosted Docker Compose setup for the frontend, backend, and dashboard.
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