AI checker that works on whatever you are reading
Option+D gives you a likelihood that the selected text was written by a model, with the specific signals that produced the number.
AI-detection sites want you to paste text into a web form, cap you at a few thousand characters, and hand back one number with no reasoning.
aiCat scores the selection where it sits and shows its work: which phrases read as machine-written and why.
Detect AI in three seconds
- SelectHighlight the text wherever it already is.
- Press Option+DAlt+D on Windows and Linux.
- ApplyThe result appears over your selection. One click puts it back.
What makes aiCat's detect ai different
A percentage and the reasons
Uniform sentence length, hedging, cliché connectors, suspiciously perfect punctuation — each one quoted.
Honest about limits
No detector is reliable on short text. aiCat tells you when the sample is too small instead of inventing confidence.
Always on
The likely-AI badge appears on every result window, not just when you ask for it.
Reading, not just grading
Useful for spotting synthetic reviews, generated outreach and padded reports.
People use it for
- Screening applications and submissions
- Vetting content you commission
- Checking a suspicious review or DM
Try it on the text in front of you
Free to start, 10 aiCatCoins included, no card. Mac, Windows and Linux.
The default hotkeys (all editable)
| Keys | What happens |
|---|---|
| Option / Alt | aiCat guesses: rewrite if you are writing, translate if you are reading something foreign, proof-check otherwise |
| Option + R | Refine / rewrite |
| Option + T | Translate |
| Option + P | Proof check |
| Option + D | Detect AI |
| Option + E | Explain |
| Option + C | Start a chat with the selection attached |
| Option + S | Chat with web search |
| Option + L | Read aloud — or record you, if nothing is selected |
| Option + W | Dictate: speak, and the text appears at your cursor |
| Option + I / V | Generate an image / a video |
| Option + H | History of everything you selected and what came back |
Why it is cheap
aiCat picks the cheapest model that is good enough for the task in front of it, instead of sending a comma fix to a frontier reasoning model. That single decision is why a month of aiCat costs $6 rather than $20.
You are billed in aiCatCoins: $1 buys 100 coins, one coin is roughly 10 000 tokens of an average text model — about one ordinary request. Coins never expire, so a quiet month costs you nothing.
aiCat pricing at a glance
| Plan | Price | aiCatCoins / month | Max selection | What it unlocks |
|---|---|---|---|---|
| Free | $0 | 10 | 500 chars | All text tasks + free voice-to-text |
| Premium | $6/mo (was $10) | 3 000 | 5 000 chars | Voice, image, video, premium models |
| Team + Offline | $18/member | 12 000 | 50 000 chars | Local models, no-internet mode, team sync |
| Enterprise | $90/member | 150 000 | Unlimited | SSO, audit, best coin rate |
Frequently asked
Can I detect ai text in any app?
Yes — aiCat reads the selection at the OS level, so it works in native apps, browsers, IDEs, terminals and PDF readers.
Is detect ai free?
The Free plan includes every text task with 10 aiCatCoins per month. Voice, image and video generation start at Premium, $6/month.
Which AI model does it use?
By default the cheapest model that is good enough — currently Gemini Flash Lite, falling back to Gonka. You can pick Gemini Pro, Claude, GPT or a local model instead, per task.
What is aiCat?
aiCat is a desktop app for macOS, Windows and Linux. You select text anywhere on your computer, press one hotkey, and an AI does what you need with it — rewrite, translate, proof-check, detect AI, explain, read aloud, dictate, or start a chat.
How much does aiCat cost?
Free to start, with 10 aiCatCoins a month and every text task included. Premium is $6 a month (40% off the $10 list price) and adds voice, image and video generation, 5000-character selections and 3000 coins a month. Team + Offline is $18 per member and adds local models that work without internet.
Which operating systems does aiCat support?
macOS (Apple Silicon and Intel), Windows 10/11, and Linux as AppImage, .deb or .rpm.