Best Free Confidential AI Platforms of 2026

Lumo is an AI assistant focused on privacy, designed to harness the capabilities of generative AI while ensuring complete confidentiality in your conversations. Created by the privacy specialists behind Proton Mail and VPN, Lumo guarantees that your discussions are private, with no logs stored on its servers, and all saved conversations encrypted with zero-access encryption, which means that even Proton cannot access them. With an open-source framework, the service is both transparent and verifiable, allowing users to engage with it confidently. You can inquire about various topics with Lumo, whether it's summarizing documents, rewriting emails, assisting with coding, translating text, brainstorming ideas, and much more, all without worrying that your data will be used for training models or shared with outside parties. Conversations are protected with end-to-end encryption, and if you enable the AI’s web search feature, it utilizes privacy-conscious search engines. Accessible without the need for registration and available through both web and mobile applications, Lumo provides options for both free and premium plans. With its commitment to user privacy, Lumo stands out as a reliable choice for anyone concerned about the security of their information while interacting with AI.

Maple AI serves as a privacy-centric, versatile AI assistant tailored for professionals and individuals who value confidentiality in their online communications. Constructed with robust end-to-end encryption, secure enclaves, and a commitment to open-source transparency, Maple guarantees that your discussions remain your own, safeguarded, and available at any time and place. Whether you are a therapist handling sensitive client details, a lawyer preparing confidential materials, or an entrepreneur brainstorming innovative ideas, Maple AI facilitates secure and effective productivity. It enables seamless synchronization across various devices, allowing users to transition smoothly from desktop to mobile, ensuring they can continue from where they last left off without hassle. Maple AI creates a uniform and secure experience on all platforms. Its features, including chat history search, AI-generated chat naming, and tailored chat organization, significantly boost user productivity. Additionally, Maple provides a user-friendly interface that makes navigating through its features both intuitive and efficient, catering to a diverse range of professional needs.

Jatter is a chat application powered by AI that prioritizes your privacy and anonymity through client-side encryption, meaning that only you possess the key to access your messages while the service does not store any chat history. It enhances user privacy by removing personal identifiers before any processing occurs and enables you to quickly create emails, documents, or notes without compromising encryption. Additionally, Jatter offers detailed, tailored responses to a wide range of technical and creative inquiries, fostering a more efficient learning experience. When you mention locations, the app conveniently links them to maps, making trip planning and finding restaurants or attractions simpler, and it also features end-to-end encrypted location sharing for safely updating friends or colleagues about your position. Built on the GPT-4o Mini framework with integrated mapping capabilities, Jatter merges strong privacy measures with a diverse array of chat functionalities for thoughtful and secure discussions. Furthermore, its user-centric design ensures that every interaction remains protected while enhancing the overall communication experience.

amazee.ai is an AI solution designed with security and privacy at its core, empowering organizations to retain full command over their data, models, and compliance obligations while seamlessly integrating AI into their existing frameworks without risking the exposure of sensitive information. Emphasizing a privacy-centric approach and focusing on data sovereignty, this tool guarantees that AI operations and data are confined to a designated region, thereby satisfying regulatory standards such as GDPR, HIPAA, and CCPA. It operates within a certified and compliant setting that prevents vendor lock-in by relying on transparent, open-source principles and adaptable infrastructure. Additionally, its Private AI Assistant serves as a robust, region-specific chat and generative tool tailored for enterprise use, ensuring that prompts and outputs are never logged and facilitating secure processing and analysis of internal documents, CRM records, and support ticket information. This leads to valuable insights, summaries, reports, and automated replies, all while maintaining the organization's control over its data. Furthermore, the platform offers a variety of deployment options to accommodate diverse organizational needs.

Okara is a privacy-centric AI workspace and secure chat platform designed for professionals, offering seamless interaction with over 20 robust open-source AI language and image models within a single cohesive environment, ensuring users maintain context while switching between models, researching, creating content, or analyzing documents. The platform guarantees that all discussions, uploads (such as PDFs, DOCX files, spreadsheets, and images), along with workspace memory, are safeguarded through encryption at rest, are processed via privately hosted open-source models, and are never utilized for AI training or disclosed to third parties, thereby providing users with comprehensive control over their data through client-side key generation and genuine deletion. By integrating secure, encrypted AI chat with real-time search capabilities across platforms like web, Reddit, X/Twitter, and YouTube, Okara allows users to seamlessly incorporate live information and visuals into their workflows while maintaining the confidentiality of sensitive data. Furthermore, it facilitates shared team workspaces, making it easy for groups, such as startups, to collaborate through AI threads and maintain a shared understanding of context. This collaborative feature enhances team productivity and innovation by allowing real-time input from multiple users.

Dvina is a comprehensive AI platform that integrates live databases and over 120 applications—such as Google Analytics, Salesforce, Notion, SAP HANA, and Airtable—into a cohesive intelligent workspace, allowing AI to query, analyze, summarize, and take action on real-time data without the need for duplication; this functionality empowers teams to access the most up-to-date metrics, generate valuable insights, and resolve intricate business inquiries directly from their interconnected systems, rather than relying on fragmented workflows across various tools. Additionally, Dvina prioritizes user privacy with its built-in features for automatic detection and masking of personal data, maintains a strict policy of not training on user data, and adheres to robust security and compliance measures, including EU-based infrastructure and GDPR-compliant policies, ensuring that sensitive information remains safeguarded while AI operates on live data sources. This dual focus on usability and security positions Dvina as a powerful solution for organizations seeking to harness AI effectively while protecting their data integrity.

Confer is a privacy-first AI chatbot developed by Signal founder Moxie Marlinspike to challenge the data practices of popular AI assistants. It mirrors the conversational experience of tools like ChatGPT while eliminating the risk of user data collection. Confer is built so that conversations cannot be accessed, stored, or monetized by the service itself. Messages are protected using WebAuthn-based encryption, ensuring secure communication between users and the AI. On the backend, all processing occurs inside a Trusted Execution Environment with remote attestation safeguards. The system uses open-weight AI models to handle a wide range of user queries. This approach makes Confer far more complex than traditional AI setups but significantly more secure. Users can safely discuss highly personal topics without worrying about surveillance or profiling. Confer offers a limited free tier for casual use. A paid plan unlocks unlimited access and more advanced capabilities for privacy-conscious users.

Duck.ai is an AI-driven chatbot from DuckDuckGo, fully integrated into their search platform to offer conversational answers that prioritize user privacy. Utilizing sophisticated machine learning techniques, it delivers swift, precise, and context-aware responses on a wide variety of subjects. This chatbot aims to assist users in finding immediate information, while distinguishing itself by maintaining a strict policy against the collection, storage, or tracking of personal data. In harmony with DuckDuckGo's dedication to safeguarding user privacy, Duck.ai provides a trustworthy avenue for individuals to interact with AI while ensuring their anonymity and data protection remain intact. Additionally, the user-friendly interface makes it easy for anyone to access information without worrying about their privacy being compromised.

Venice is an alternative to popular AI apps that does not require permission. This is a necessary alternative because these apps violate your privacy, and censor AI responses. Venice uses open-source AI technology that is leading in the industry to deliver uncensored and unbiased machine intelligence. We do this while protecting your privacy. At the touch of a button, you can search the entire world's knowledge, have rich conversations, analyse documents, create images and artwork, and more. Venice is very simple and requires no downloads. No installation is required. The service is free and no account is required for basic use. Venice is a clean, intuitive web app that will feel familiar to anyone with experience in generative AI. Your conversation history is only stored in your browser. Venice does not log or store prompt or model responses. Different AI models are available for different styles and results. Ability to save past conversations and organize them for future reference.

An alternative to ChatGPT and Perplexity, this free and open-source AI chat option emphasizes your privacy and anonymity, requiring no account even for premium features. All conversations are securely stored on your device, ensuring they are never logged or utilized for training purposes. Key Features: - Complete anonymity with no collection of personal data - EU-based servers that are GDPR-compliant, utilizing models like Mistral 3 and DeepSeek V3.2, in addition to the default xprivo model - Access to web searches with verified sources for accurate and up-to-date information - Capability to self-host, allowing users to operate on their own infrastructure or utilize the hosted service - Support for BYOK (Bring Your Own Key) to connect with your own API keys from providers like OpenAI, Anthropic, and Grok - Local-first design ensures that your chat history is never transmitted off your device - Open-source nature with fully auditable code available on GitHub - Compatible with ollama, enabling offline conversations with your local models Ideal for individuals who value their privacy while seeking robust AI support without sacrificing their anonymity, this platform provides a seamless and secure chatting experience. Whether for casual inquiries or sophisticated tasks, users can engage with confidence, knowing their data remains protected.