Best Free Confidential AI Platforms

Lumo is a privacy-first AI assistant built to deliver the power of generative AI while keeping your conversations completely confidential. Developed by the privacy experts behind Proton Mail and VPN, Lumo ensures that your dialogues remain yours alone, no logs are stored on the server side, and all saved chats are encrypted with zero-access encryption, meaning even Proton cannot read them. Open source by design, the service is transparent and verifiable. You can ask Lumo anything, from summarizing documents and rewriting emails to coding assistance, translations, brainstorming, and more, without any risk of your data being used to train models or shared with third parties. Conversations are encrypted end-to-end, and even the AI’s web search capability (if enabled) runs through privacy-friendly engines. Available without signup and deployable via web or mobile apps, Lumo offers both free and plus plans.

Maple AI is a privacy-first, general-purpose AI assistant designed for professionals and individuals who prioritize confidentiality in their digital interactions. Built on a foundation of end-to-end encryption, secure enclaves, and open source transparency, Maple ensures that your conversations remain exclusively yours, private, secure, and accessible anytime, anywhere. Whether you're a therapist managing sensitive client information, a lawyer drafting confidential documents, or an entrepreneur brainstorming your next big idea, Maple AI delivers secure productivity. It offers seamless syncing across devices, allowing users to move effortlessly between desktop and mobile, always picking up right where they left off. Maple AI provides a consistent and secure experience across platforms. With features like chat history search, AI-generated chat naming, and customizable chat organization, Maple enhances user productivity.

Jatter is an AI-powered chat app that keeps every conversation secure and anonymous through client-side encryption, ensuring only you hold the key to read your messages and that the service never retains your chat history. It anonymizes chats by stripping personal identifiers before processing, lets you draft emails, documents, or notes quickly while maintaining full encryption, and provides detailed, personalized answers across technical or creative topics to help you learn faster. When you mention places, Jatter auto-links them to maps for easy trip planning and restaurant or attraction recommendations, and it supports end-to-end encrypted location sharing so you can securely share your whereabouts with friends or collaborators. Built on GPT-4o Mini with integrated maps functionality, Jatter combines robust privacy protections with versatile chat features for private, intelligent conversations.

Okara is a privacy-first AI workspace and private chat platform that lets professionals interact with 20+ powerful open source AI language and image models in one unified environment without losing context as you switch between models, conduct research, generate content, or analyze documents. All conversations, uploads (PDF, DOCX, spreadsheets, images), and workspace memory are encrypted at rest, processed on privately hosted open-source models, and never used for AI training or shared with third parties, giving users full data control with client-side key generation and true deletion. Okara combines secure, encrypted AI chat with integrated real-time web, Reddit, X/Twitter, and YouTube search tools, unified memory across models, and image generation, letting users weave live information and visuals into workflows while protecting sensitive or confidential data. It also supports shared team workspaces, enabling collaborative AI threads and shared context for groups like startups.

Dvina is a unified, all-in-one AI platform that lets users connect live databases and over 120 apps (like Google Analytics, Salesforce, Notion, SAP HANA, Airtable, Linear, and more) into a single intelligent workspace where AI can query, analyze, summarize, and act on real-time data without copying or replicating it; this enables teams to pull the latest metrics, generate insights, and answer complex business questions directly from their connected systems rather than stitching workflows across disconnected tools. It emphasizes privacy-first design with automatic personal data detection and masking, zero training on user data, and strong security and compliance controls with EU-based infrastructure and protections such as GDPR-aligned policies and customizable retention, so sensitive data stays controlled and protected while AI works against live sources.

Confer is a privacy-focused AI assistant created by Signal co-founder Moxie Marlinspike as an alternative to mainstream chatbots like ChatGPT. It is designed to feel familiar to users while fundamentally changing how data is handled behind the scenes. Confer ensures that user conversations are never collected, stored, or used for training or advertising purposes. Messages are encrypted using WebAuthn passkeys, preventing the service provider from accessing user content. All AI inference runs inside a Trusted Execution Environment, with verification systems that ensure the infrastructure has not been compromised. The platform relies on open-weight foundation models to process queries securely. By prioritizing privacy at every layer, Confer enables sensitive and personal conversations without fear of data misuse.

Duck.ai is DuckDuckGo's AI-powered chatbot, integrated seamlessly into their search engine to deliver privacy-focused conversational answers. It leverages advanced machine learning algorithms to provide quick, accurate, and contextually relevant responses across a broad range of topics. The chatbot is designed to be a helpful tool for users seeking instant information, but it stands out by ensuring that no personal data is collected, stored, or tracked. By aligning with DuckDuckGo's commitment to user privacy, Duck.ai offers a secure way for users to engage with AI without compromising their anonymity or data security.

Venice is a permissionless alternative to the popular AI apps. It is an alternative needed because those apps violate your privacy and censor the AI’s responses. Venice utilizes leading open source AI technology to deliver uncensored, unbiased machine intelligence, and we do it while preserving your privacy. Search the world’s information, have rich conversations, analyze documents, and create images and art at the push of a button. Venice is super simple, with no downloads. There are no installations of anything. For basic use, no account is necessary and the service is free, you can use it right now. The Venice front-end is a clean web app that should feel familiar to anyone who has used generative AI. Your conversation history is stored only in your browser. Venice does not store or log prompt or model responses on our servers. Several different AI models for different results and styles. Ability to save and organize past conversations for future reference.

Traditional AI platforms store your conversations and train their models with your data. For professionals, freelancers, and businesses, this represents a risk. Elosia provide a unified AI workspace that gives you access to the best models and an offline mode while guaranteeing total privacy. Key Features: 🔒 Privacy by Design : - 100% local storage on your machine - Your data never passes through our servers - Priority access to Zero Data Retention (ZDR) models - Offline mode directly in your browser 💼 Maximum Productivity : - All the best AI models in one place - Single subscription instead of multiple subscriptions - Local embeddings for your sensitive documents - Unified and intuitive interface 🎯 Total Control : - You choose which models to use - Transparency on data retention policies - No surprises, no hidden collection Perfect for: - Independent professional - Teams working with sensitive data - Companies concerned with compliance (GDPR, etc.)

A free, open-source AI chat alternative to ChatGPT and Perplexity that prioritizes your privacy and anonymity. No account required – not even for PRO features. All chats are stored locally on your device and never logged or used for training. Key Features: - 100% Anonymous | Zero personal data collection - EU-hosted models - GDPR-compliant servers running Mistral 3, DeepSeek V3.2, and other powerful open-source models behind the default xprivo model - Web search with sources. Get fact-checked, current information - Self-hostable. Run it on your own infrastructure or use the hosted version - BYOK support. Connect your own API keys from OpenAI, Anthropic, Grok, etc. - Local-first. Your chat history never leaves your device - Open source. Fully auditable code on GitHub - Use it with ollama to chat with your local models fully offline Perfect for privacy-conscious users who want powerful AI assistance without compromising their anonymity.