Most “AI software for Windows” is a chat window wrapped around a single cloud model. You paste text in, you get text out, and everything that happens next — opening the file, running the command, sending the email — is still on you. Jarvis is built the other way round. It ships as a native Windows 10 and 11 app from the Microsoft Store, and it runs more than 70 real tools on your own machine: the shell, your files, git, Docker, a browser, Jira, Gmail, Google Calendar and WhatsApp among them.
Tools are the difference between an assistant that explains and one that finishes. Ask for a summary of yesterday’s commits and Jarvis reads the git log itself. Ask what is eating memory and it queries the running containers rather than guessing. Every tool call is visible and logged, so you can always see what ran and why. When a task needs several tools, the agent chains them in a single turn: read the error, find the file, draft the fix, open the ticket.
Voice, currently in beta, uses the same agent. Say the wake word and speak a request while your hands are on the keyboard or you are across the room, and Jarvis answers out loud. It is the same agent with the same tools and memory, so a spoken “check my calendar and reply to the last WhatsApp from Sam” runs exactly as a typed one would.
Memory persists across sessions. Decisions you made in a conversation last month and the projects you are working on — all of it is stored locally and available the next time you open the app, without you re-explaining anything. You can ask what you decided, tell it to remember something, or tell it to forget.
Routing is where Jarvis is genuinely unusual. It speaks to 7+ AI providers — Claude, OpenAI, Gemini, Groq, OpenRouter, Ollama and llama.cpp, plus the Claude Code command-line tool — and picks the right one per request, or lets you override with a prefix. You bring your own keys and pay your providers directly; there is no token markup in between. Routing to Claude Code means a Claude plan you already have can do the heavy lifting while Jarvis supplies the tools, the memory and the voice.
Everything runs where you are. The desktop app, the built-in web dashboard and the terminal interface share one agent, one memory and one set of settings, so nothing you configure is stranded in a single window. An Android companion app, on Google Play, lets you reach the same assistant from your phone when you are away from the PC.