Perplexity's New AI Agent Lives on Your PC, Not the Cloud
Your AI helper can now read your files without shipping them off.
Perplexity has finally shipped Portable Computer for Windows, an AI agent (software that can take actions on your behalf) that runs entirely on your own machine. The model that thinks, the part that plans tasks, and the part that executes them all live on your PC. Nothing sits in a Perplexity data center by default. It works with documents, spreadsheets, PDFs, code, and images, and it can plug into Gmail, Outlook, Slack, and GitHub. It's available now to Pro and Max subscribers, replacing months of "coming soon."
The selling point is privacy and cost. Because the AI runs locally, your work doesn't travel across the internet, and tasks finished on your own machine don't burn through Perplexity's cloud credits — like using your home printer instead of paying a shop per page. When a job needs fresh web results or heavier reasoning, the agent can tap Perplexity Search or more than 15 cloud models, but it asks your permission first. That's a real departure from cloud-first assistants that quietly send everything upstream.
The catch is the hardware. Portable Computer requires an Nvidia RTX or RTX PRO graphics card with at least 24GB of video memory — the kind found in gaming rigs and professional workstations that often cost $1,500 or more. Most everyday office laptops simply can't run it, so this isn't a tool you can roll out to a whole company tomorrow. There's also a quieter question: asking permission isn't the same as being audited. Perplexity hasn't clearly explained what gets logged, what each connector can see, or how its enterprise controls apply to local activity. A separate security flaw in Perplexity's Comet browser earlier this year, which exposed local files through malicious calendar content, shows why file permissions deserve a hard look before anyone deploys this broadly.
For now, Portable Computer is a preview of where personal AI is heading: assistants that keep your data home and only reach for the cloud when you allow it. It's genuinely useful if you already own the right graphics card, and mostly a waiting game if you don't.
- Perplexity's AI agent now runs on your own Windows PC, so your documents and emails don't have to leave your machine
- It needs a high-end Nvidia RTX graphics card with 24GB of memory — hardware that costs well over $1,000 and rules out most standard work laptops
- It connects to Gmail, Outlook, Slack, and GitHub, and asks your permission before sending anything to the cloud
Why It Matters
A more private AI assistant is here — but only if you own an expensive graphics card.