Run AI models directly in the browser – no server or internet required

In plain words

This tool lets users run AI models directly in their web browser without needing a server or internet connection. It's designed for anyone who wants to use AI chat capabilities while keeping their data local and maintaining privacy. The key advantage is that everything operates offline, eliminating the need for external servers or network dependencies, making it useful for users concerned about data privacy or working in environments with limited connectivity.

written from the facts on this page · September 2026

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  Browser LLM demo working on JavaScript and WebGPU. WebGPU is already supported in Chrome, Safari, Firefox, iOS (v26) and Android. Demo, similar to ChatGPT https://andreinwald.github.io/browser-llm/ Code https://github.com/andreinwald/browser-llm - No need to use your OPENAI_API_KEY - its local model that runs on your device - No network requests to any API - No need to install any program - No need to download files on your device (model is cached in browser) - Site will ask before downloading large files (llm model) to browser cache - Hosted on Github…

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  BrowserAI – Run LLMs directly in browser using WebGPU (open source)2025 · github.com · ▲85

  Check out this impressive project that enables running LLMs entirely in the browser using WebGPU. Key features: - Zero token costs, no cloud infrastructure required - Complete data privacy through local processing - Simple 3-line code integration - Built on MLC and Transformer.js The benchmarks show smaller models can effectively handle many common tasks. Currently the project roadmap includes: - No-code AI pipeline builder - Browser-based RAG for document chat - Analytics/logging - Model fine-tuning interface

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  WebLLM Chat2024 · chat.webllm.ai · ▲4

  Run LLMs in your browser. Without internet.

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  Tiny LLMs – Browser-based private AI models for a wide array of tasks2023 · tinyllms.vercel.app · ▲142

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  AI · 2025 · github.com

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