VT Chat
#1 Daily WinnerPrivacy-first AI chat with local storage and 15+ models
What is VT Chat?
Introducing VT Chat, a privacy-first AI chat application that keeps all your conversations local while providing advanced research capabilities and access to 15+ AI models including Claude 4 Sonnet and Claude 4 Opus, O3, Gemini 2.5 Pro and DeepSeek R1.
The core difference is true local-first architecture. All chats are stored in IndexedDB with zero server storage. Your API keys never leave your browser, and I can't see them even as the developer. You can switch between OpenAI, Anthropic, Google and other providers to compare responses, with complete data isolation for shared machines.
Research features: Deep Research does multi-step research with source verification, Pro Search integrates real-time web search with grounding web search powered by Google Gemini. There's also document processing for PDFs, a "thinking mode" to see complete AI reasoning, and structured extraction to turn documents into JSON. AI-powered semantic routing automatically activates tools based on your queries.
Built with Next.js 14, TypeScript, and Turborepo in a monorepo setup. The hosted version keeps most features free, with optional VT+ for premium models and advanced research capabilities.
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Frequently asked questions about VT Chat
Common questions to help you decide if VT Chat is right for you.