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Private offline AI chat. Works with no internet after a one-time model download.
OfflineGPT is a private offline AI chat that runs on your phone — not in the cloud. Chat with on-device models after a one-time download. Your conversations stay on your device. Use OfflineGPT when you need AI without internet — flights, travel, weak networks, or anytime you want private AI. An offline alternative to cloud ChatGPT-style chat — models run on your device. WHY OFFLINEGPT • Offline AI chat after you download a model • Private by design — chats stay on your phone • No account required to start chatting • Works in English, Hindi, Tamil, Bengali + more WHAT YOU CAN DO • Text chat with on-device / local LLM models • Voice input (speech-to-text) • Attach PDF, DOCX, XLSX and ask about them (Pro) • Analyze images (Pro) • Hear answers with text-to-speech • Multiple chats + custom prompts MODEL OPTIONS • Lite — text chat, unlimited usage • Pro — unlocks image, voice & documents • Think — advanced reasoning for capable devices Models download once, then run fully offline. Internet is only needed for the first model download — after that you get AI without internet. Built for people who want a private offline chatbot and on-device AI — students, professionals, travelers, and anyone who doesn’t want prompts leaving their phone. Download OfflineGPT and keep offline AI chat on your device.