best screen-aware AI assistants (2026)

Looking for an AI that can see your screen? That category now has a name, screen-aware AI: assistants that use what's in front of you as context, so you stop copying text out and describing what you're looking at.

The tools below take genuinely different approaches. The two questions that sort them: where does the screen reading happen (on your device, or on a server), and what does the tool see (a tab you explicitly share, or your whole computer). Pick by which trade you want.

the browser-native one (ours)

Full disclosure: harness is our product, so read this entry with that in mind. It runs in any chromium browser with no install: share a tab, a window, or your whole screen, and ask about what's actually there. It watches over time ("flag me if I get outbid"), keeps a searchable on-device visual memory of what crossed your screen, and produces real artifacts: documents, spreadsheets, decks, images.

What makes it different in this list: the screen reading happens on your device. Small vision models run locally in the browser and only a focused slice of the relevant region leaves when you ask a question. Free tier; resident is $7.99/mo for encrypted backup and sync.

best if you live in windows and microsoft 365

Copilot Vision is built into Windows, Edge, Microsoft 365, and the Copilot mobile app. Start a Vision session and it sees the apps or screen you share, highlights what matters, and guides you through it. It has the deepest reach inside office documents, Teams, and the Microsoft stack, and enterprise IT can govern it. Screen analysis happens on Microsoft's servers during a session, and there's no persistent watch or visual memory.

harness vs microsoft copilot vision, in detail

best if you want one assistant for everything

The desktop app can look at a window via screenshot, and on mobile, advanced voice mode shares your screen live. Every look goes to OpenAI's servers, and each is a snapshot or a session rather than ongoing context, but it's attached to the broadest general assistant in the business. If your screen questions are occasional and your other questions are everything else, this is the pragmatic pick. Plus is $20/mo.

harness vs chatgpt (desktop + mobile), in detail

best free whole-desktop assistant

A free mac and windows assistant that pulls context from across your computer: screen, meeting audio, and integrations with gmail, slack, linear, and notion. Automatic meeting notes are genuinely good, and voice control works. The trade: whole-computer context means the assistant sees your whole computer, processed in the cloud. If that trade reads as convenience rather than exposure, it's a lot of tool for free.

harness vs highlight ai, in detail

best for live calls, and only that

Cluely is a real-time overlay for interviews, sales calls, and meetings: it listens to call audio, watches your screen, and feeds you answers as the conversation happens. It's not a general screen assistant, and the headline feature, an overlay designed to be invisible to screen-share detection, sits on a ~$150/mo tier. If live call coaching is the job, it's the specialist; for everything else, look elsewhere in this list.

harness vs cluely, in detail

privacy-positioned desktop snapshots

A desktop assistant that takes a snapshot only at the moment you ask, rather than recording continuously. A reasonable middle ground if you want a desktop app with a smaller capture footprint than the always-on tools.

the open-source, fully local option

Free, open source, and 100% local: your screen never leaves your machine because the models run on it. The trade is that you're running and maintaining it yourself, with local-model quality. If you want maximum privacy and don't mind DIY, it's the purist's pick.

All-Microsoft life: Copilot Vision. One assistant for everything: ChatGPT. Free whole-desktop context with meeting notes: Highlight. Live call coaching: Cluely. Maximum-privacy DIY: AI Cowork. And if you want a screen assistant that watches, remembers, and acts, reads your screen on your own device, and runs in the browser with no install: try harness free.