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Bolt.diy

Open-source workspace for building full-stack web apps in the browser with the language model you pick for each prompt, with an in-browser editor, terminal and live preview.

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What it does

bolt.diy lets you prompt, run, edit and deploy full-stack web applications using a model of your choice, selectable for every prompt. It supports more than 22 providers, including cloud services such as OpenAI, Anthropic, Gemini, Groq, xAI and DeepSeek and local ones such as Ollama and LM Studio. OpenRouter, Anthropic, OpenAI and Google are enabled by default, and other providers are configured in Settings. Development happens inside the browser through WebContainers. The workbench combines a code editor, terminal, visual diff viewer and live preview. Project features include Git cloning and pushing, snapshot restoration, file conflict locking and ZIP export, with one-click deployment to Netlify, Vercel and GitHub Pages, a Supabase integration and Model Context Protocol tooling. You can run it from source with Node.js and pnpm, through Docker, or as a desktop app with prebuilt binaries for Windows, macOS and Linux. API keys are entered in the Settings UI or set as environment variables. The project is MIT licensed, but the WebContainers API it uses has separate commercial licensing terms for enterprise deployment. The README says ongoing work is bug fixes and dependency updates, with no new features planned.

Capabilities

  • Choose the model per prompt from 22+ cloud and local providers
  • In-browser Node.js environment with editor, terminal, diff viewer and live preview
  • Git workflows, snapshot restoration and ZIP export
  • One-click deployment to Netlify, Vercel and GitHub Pages
  • Runs from source, in Docker or as a desktop app

When to use it

  • You want an AI app builder that works with your own API keys or a local model server
  • You want to self-host the builder rather than rely on a hosted service
  • You want to prototype a web app in the browser and deploy it with a click

Alternatives to explore

  • Bolt.new