Glimpse vs ChatGPT for Mac

ChatGPT's Mac app opens a companion window on Option + Space and can read from a list of supported coding and text apps. Glimpse reads the focused document in any app, answers from your own tools as well, and is not tied to one model provider.

How it opens
Glimpse⌃ Space from any app. Lives in the menu bar with no Dock icon.
ChatGPT for MacOption + Space opens a companion window that stays in front.
Reading the screen
GlimpseOpt-in. Lifts the focused document through the Accessibility API, including text scrolled out of view, with a screenshot as the fallback. Credentials are redacted before anything leaves the Mac.
ChatGPT for MacWork with Apps reads from supported apps: IDEs, Terminal, Notes, TextEdit and others.
Your tools
GlimpseMail (read locally from Apple Mail), Google Calendar, to-dos, Slack, Linear, Notion, Obsidian, Granola and GitHub. Read at the same time, with each source named under the answer.
ChatGPT for MacChatGPT's own connectors, set up inside ChatGPT.
Before it sends something
GlimpseEmails, Slack posts, issues, pull requests and deletions stop at a review card. What it carried out is kept in a ledger with its link.
ChatGPT for MacVaries by connector.
Meetings
GlimpseNever records or listens. Reads your Granola notes and, after a call, plans the follow-up.
ChatGPT for MacNot part of the Mac app's core.
Models
GlimpseGPT-5.6 Luna with no key, your own provider key, or frontier Claude, GPT and Gemini on Pro.
ChatGPT for MacOpenAI models only.
Runs on
GlimpsemacOS 15+, Apple silicon. Windows has a waitlist.
ChatGPT for MacMac, Windows, web and mobile.
Free to start
GlimpseYes, no card. 10 requests a day with no key, uncapped with your own.
ChatGPT for MacFree plan with usage limits.
Paid plan
GlimpsePro, $9.99/month introductory (rising to $16.99).
ChatGPT for MacPlus is $20 a month, with higher tiers above it.

Pick ChatGPT for Mac if

  • You already pay for ChatGPT and want its full app: voice, images, long projects.
  • You want the same assistant on your phone and in the browser.

Pick Glimpse if

  • You want to ask about any app's window, not a supported list.
  • You want Claude, GPT or Gemini, or your own key, behind one hotkey.
  • You want /pr, the approval deck and an action ledger for what it did.

ChatGPT for Mac details checked in October 2026 against Work with Apps on macOS and ChatGPT macOS release notes. Prices and features change; check their site before deciding.

Other comparisons

Download

Ask your screen. And everything behind it.

Press ⌃Space anywhere in macOS. Glimpse reads the window you are in, searches the tools you already use, and stops at a review card before it writes anything.

Download for Mac
See what Pro adds
  • macOS 15+ · Apple silicon
  • Signed & notarized .dmg
  • Free to start, no card