AIDetector
Instantly detect AI-generated text from ChatGPT, GPT-4, Claude, Gemini, and other popular models.
Free plan
No CCAuto-renews
Easy start 2/3Open site
9 Best AI or Not Alternatives in 2026
Looking for alternatives to AI or Not? Below are 9 tools that do a similar job, compared on the details that decide whether you can actually use them: the size of the free allowance, whether a credit card is required, and whether the output is watermarked. AI or Not itself we have not found a confirmed free allowance, and we have not confirmed the credit-card requirement.
AI or Not at a glance
AI or Not is the leading AI detector for all content types: text (ChatGPT, Claude), image (Midjourney, 4o), music (Suno,
Easy start 0/3
Read the full AI or Not review →Comparison
Hover over any tool name for its page. Blank cells mean we have not confirmed that detail yet.
| Tool | Free tier | Card | Watermark | From |
|---|---|---|---|---|
| AI or Notthis tool | — | — | — | Not published |
| AIDetector | Yes | Not required | — | Not published |
| GPTZero | Yes | — | — | Not published |
| Isgen | 12000 word a month | — | — | Not published |
| Quetext | Yes | — | — | Not published |
| SuperHumanizer | Yes | — | — | Not published |
| Originality.AI | — | — | — | Not published |
| Scribbr | — | — | — | Not published |
| Undetectable AI | — | — | — | Not published |
| Cara | — | — | — | Not published |
Alternatives in detail
GPTZero
Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence de
Free plan
Auto-renews
Easy start 1/3Open site
Isgen
Isgen is the leading AI Detector for detecting text written by Openai's GPT-5, Chat-GPT, Claude, Gemini, Deepseek a
12,000 words / month free
Auto-renews
Easy start 1/3Open site
Quetext
Plagiarism Checker and AI Detector by Quetext
Free plan
Auto-renews
Easy start 1/3Open site
SuperHumanizer
Use SuperHumanizer to humanize AI text instantly
Free plan
Auto-renews
Easy start 1/3Open site
Originality.AI
Originality.AI — AI tool
Pricing hidden
Details uncheckedOpen site
Scribbr
Improve your paper with our Proofreading & Editing Service, Plagiarism Checker, Citation Generator, and extensive Kn
Pricing hidden
Details uncheckedOpen site
Undetectable AI
Create with confidence using Undetectable AI's tools
Pricing hidden
Details uncheckedOpen site
Cara
Cara — AI tool
Pricing hidden
Details uncheckedOpen site
Questions about these alternatives
- Is there a free alternative to AI or Not?
- Yes. 5 of the 9 alternatives listed here have a confirmed free tier. Use the comparison table above to see the exact free allowance for each one.
- Which AI or Not alternatives do not require a credit card?
- 1 alternatives confirm that no credit card is required to start. Check the “Card” column — entries marked “Not required” can be used without payment details.
- What is the best free AI or Not alternative?
- The best free alternative depends on your workflow. The table is sorted by how easy each tool is to start (free tier, no card, no watermark). AIDetector scores 2 out of 3 and is the strongest free option we have verified.
- Can I use AI or Not alternatives for commercial work?
- Some alternatives allow commercial use on their free tier. Look for the watermark and licensing details on each tool's page — we only mark commercial use when the vendor's own terms confirm it.