Jan

Claim Tool

Last updated: December 3, 2025

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What is Jan?

Jan is an open-source, privacy-first AI chat application and autonomous agent that runs 100% offline on desktop and mobile. Designed as a user-controlled alternative to ChatGPT, Jan lets you download and run local models (Llama3, Gemma3, Mistral, GGUF), or connect to cloud providers via API keys. With a VSCode-like extension system, an OpenAI-compatible local API server, and in-house models like Jan‑v2 (multimodal) and Jan‑v1 (with web search), Jan delivers long-horizon task automation, multimodal reasoning, and complete data ownership.

Category

Conversational AI

Jan's Top Features

Open-source under AGPLv3 with an active global community

100% offline operation once local models are downloaded

Privacy-first, local-first data storage and user control

Supports Llama3, Gemma3, Mistral, and any GGUF local models

Optional connection to OpenAI, Anthropic, Mistral, and Groq via API keys

Cross-platform: desktop (Windows, macOS, Linux), browser, and server; extension coming

OpenAI-compatible local API server at https://localhost:1337

Extensible architecture with a VSCode/Obsidian-like extensions API

Agentic, long-horizon task automation with Jan‑v2 multimodal model

Jan‑v1 with web search and Ichigo for speech AI voice interactions

Context persistence across sessions for personalization

No data collection or selling; optional anonymous telemetry

Integrations with developer tools like Continue.dev and Cline

Local and cloud hybrid model flexibility for different workloads

Frequently asked questions about Jan

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    Use Cases

    Privacy-conscious professionals

    Run offline research, drafting, and analysis on sensitive data with no cloud exposure.

    Developers and tinkerers

    Use the OpenAI-compatible local API to power tools like Continue.dev and Cline with local models.

    Enterprises with data sovereignty needs

    Deploy local-first AI workflows to keep IP and customer data on-premise while enabling automation.

    Remote and field workers

    Operate in low-connectivity environments—airplanes, secure facilities, or remote sites—100% offline.

    Educators and students

    Provide classroom-safe AI assistance that respects privacy and works on school devices without internet.

    Researchers and journalists

    Launch long-horizon autonomous agents to gather sources, analyze findings, and draft reports.

    Creators and product teams

    Leverage Jan‑v2’s multimodal capabilities to iterate on specs, images, and documentation.

    Customer support and operations

    Automate triage, summarization, and knowledge base updates locally to protect user data.

    Voice-first users

    Use Ichigo for dictation, transcription, and voice interactions with private, on-device processing.

    Extension builders and power users

    Create custom workflows and tools via the extensions API to adapt Jan to unique use cases.

    Explore Top AI Use Cases