Free
Free
10,000 words scanned a month with basic AI detection
Finding the possibilities
GPTZero
● Identity checkedAssistant · Vendor site 2026-10-05
GPTZero provides AI detection, writing feedback, plagiarism checking, and classroom integrations for educators and writers. The homepage advertises scanning text from major LLMs, advanced scan modes, Google Docs extensions, and writing replay verification.
- Category
- Assistant
- Free access
- 10,000 words scanned a month with basic AI detection
- API access
- Separate developer API plans from $49.99 a month for 500,000 words
Is GPTZero right for you?
A good fit for
Educators, students, and publishers who need AI content detection, authenticity verification, and writing quality tools.
Before you choose
The free plan scans up to 10,000 words a month. API plans are priced separately, from $49.99 a month.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Official website | https://gptzero.me/ | Facts sourced | 2026-10-05 |
| Free access | 10,000 words scanned a month with basic AI detection | Facts sourced | 2026-10-05 |
| API | Separate developer API plans from $49.99 a month for 500,000 words | Facts sourced | 2026-10-05 |
Understand the total cost
GPTZero pricing & plans
Essential
$15.00 /mo
Billed monthly, or $10/month when billed annually
Premium
$24.00 /mo
Billed monthly, or $16/month when billed annually
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Explore toolThe practical questions
Frequently asked questions
What is GPTZero used for?
GPTZero provides AI detection, writing feedback, plagiarism checking, and classroom integrations for educators and writers. The homepage advertises scanning text from major LLMs, advanced scan modes, Google Docs extensions, and writing replay verification.
Does GPTZero have a free plan?
10,000 words scanned a month with basic AI detection. This record lists ongoing free access; check the plan limits before starting.
How much does GPTZero cost?
The listed monthly price is $15.00 USD at monthly billing. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use GPTZero through an API?
Separate developer API plans from $49.99 a month for 500,000 words. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
The free plan scans up to 10,000 words a month. API plans are priced separately, from $49.99 a month.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Pricing (verified)
Plans and USD prices checked on the vendor pricing page
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.