HalluSpot

Check the writing. Verify the sources.

Paste a paper for an AI-writing score with sentence-level evidence — or check every reference against four scholarly databases.

Try:
Text language
0/10,000 characters · billing by words — see estimate above

Simple pricing

Start free. Pay only when the words pile up. Citation checks are always free.

Free

$0

≈ €0

forever

  • 10,000 words a month
  • Unlimited citation checks
  • Sentence-level scores

Pro

$7.99

≈ €7.49

per month

  • 300,000 words a month
  • Source suggestions unlocked
  • Long-document queue
  • Scan history

Word pack

$5

≈ €4.49

one time

  • 100,000 words
  • Never expires
  • Stacks with any plan

Team

$29

≈ €26.99

per month

  • Shared workspace
  • Everything in Pro
  • Priority queue

This build shows prices only — checkout is not wired up yet.

EUR prices are shown for reference only; checkout, when available, is in USD.

Word counts are adjusted by language (English = 1.0) so equivalent content in German, French, Spanish, Italian or Portuguese uses a comparable share of your quota.

Recent scans

Kept in this browser only. We store a short excerpt and the score — never your full text.

Nothing here yet. Your scans will show up after you run one.

Frequently asked questions

I wrote my text myself and only used AI to polish it. Why does it mention AI?

Polishing changes the surface of your text, and surface patterns are part of what any detector measures. That is why HalluSpot reports a level of AI involvement instead of a yes-or-no accusation, and why “possible AI assistance” is a separate result from “likely AI-generated.” Many institutions allow AI-assisted editing; if yours does, a “possible AI assistance” result is consistent with your own writing plus polishing.

Does a “Likely AI-generated” result prove a text was written by AI?

No. Detection is pattern-matching, not proof. Results should be read together with the highlighted sentences and in the context of the applicable policy.