AI Undetectable vs ChatGPT Image
Both are in AI content tools. Here is how their plans, prices and features compare, taken from each vendor's own site.
The main differences
- AI Undetectable's cheapest paid plan is $5/mo, against $6.99/mo for ChatGPT Image.
| AI Undetectable | ChatGPT Image | |
|---|---|---|
| Starting price | from $5/mo | from $6.99/mo |
| Free plan | Not stated by the vendor | Not stated by the vendor |
| Free trial | Yes | Not stated by the vendor |
| Plans | 10K words ($9.99/mo, $5/mo annual, $60/yr); 20K words ($19/mo, $9.50/mo annual, $114/yr); 35K words ($31/mo, $15.75/mo annual, $189/yr) | Basic ($9.99/mo, $6.99/mo annual, $83.88/yr); Pro ($29/mo, $18.99/mo annual, $227.88/yr); Enterprise ($49/mo, $35/mo annual, $420/yr) |
| Fees and pricing notes | None stated | None stated |
| Best for | Creators | Creators |
| Key features | AI text detector that estimates how machine-written a passage looks; Two rewrite modes: Basic and a deeper Stealth rebuild; Image detector for uploaded images or image links; Five writing modes: general, essays, articles, marketing copy and stories | Text to image up to 4K; Image to image editing, style changes and background swaps; Several models in one workspace, including GPT Image 2.5 and Seedream; Readable in-image text for posters and graphics |
| Checked on | 2026-10-08 | 2026-10-07 |
Prices change; confirm on the vendor's site before you buy. Full details and sources are on each tool's page.
AI Undetectable
- 3-day free trial on every plan
- Yearly billing is about 50% cheaper
- Detector and rewriter in one workspace
Trade-offs
- No free plan, and the selected plan is billed after the trial unless cancelled
- Monthly word allowances do not roll over
- Detector scores are estimates, not proof of how a text was written
ChatGPT Image
- Several models to compare in one place
- Yearly billing is 30% cheaper
- Commercial usage rights on paid plans
Trade-offs
- An independent product, not an official OpenAI website
- The pricing page lists no free plan or trial
- Credits cap the images and videos you can make each month