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Paid plans start at $10/mo. There's also a free plan.
Winston AI has a free plan, then paid plans start at $10/month with annual billing or $18/month with monthly billing for Essential. Advanced is $16 annually or $29 monthly; Elite is $26 or $49. The pricing page says annual billing cuts the monthly rate by about 45%, and WINSTON50 takes another 50% off listed prices at checkout. Check credit and team caps before choosing: Free lasts 14 days, while paid plans include 100,000 to 500,000 monthly credits. Top-up and API pricing isn’t published.
01Every plan, line by line
| Plan | Billed annually | Billed monthly | Built for |
|---|---|---|---|
| Free | $0 | $0 | Testing the tool before buying |
| Essential | $10 | $18 | Solo users needing core AI detection |
| Advanced | $16 | $29 | Small teams wanting integrity checks at scale |
| Elite | $26 | $49 | Individuals or teams needing detection at scale |
| Enterprise/Custom | — | Quote | Larger orgs, schools, API or reseller access |
Add-ons and overages
- Top-up Credits available on Free, Essential, Advanced and Elite plans (price not published)
- API access available on all plans via separate request
- WINSTON50 coupon code for 50% off listed prices at checkout
02What the plan grid doesn't tell you
Annual billing terms
The lower $10, $16 and $26 rates are shown with annual billing. The published pricing details don’t specify payment timing or cancellation terms.
Unpriced credit top-ups
Top-up credits are offered on Free, Essential, Advanced and Elite, but the price is not published. You can’t budget the add-on from the plan grid.
API pricing is unpublished
API access is available on all plans by separate request, but no API price or usage allowance is published.
Coupon terms to confirm
WINSTON50 takes 50% off listed prices at checkout. The published details don’t state its expiry or eligibility, so confirm the checkout total.
03Which plan should you buy?
| If you are… | Get | Why |
|---|---|---|
| Testing detection and OCR | Free | It includes 2,000 credits for 14 days, plus AI and image detection, OCR uploads and shareable PDF reports. |
| Solo users needing core detection | Essential | It includes 100,000 credits monthly and costs $10/month annually or $18 monthly. Scans are capped at 200,000 characters. |
| Teams needing more credits | Elite | It includes 500,000 credits monthly and unlimited team members. The listed price is $26/month annually or $49 monthly. |
04Is Winston AI worth the money?
Winston AI is worth considering if you need text, image and document checks in one product: the plans list AI detection, plagiarism checks, OCR and PDF reports, with credit and team limits spelled out. The trade-off is that top-up and API prices aren’t published, and the AI score should not be treated as proof of authorship. Compare the plan’s credit cap with your actual scanning volume before paying for a higher tier.
Winston AI pricing FAQ
Can I use Winston AI for free?
Yes. Free costs $0 and includes 2,000 credits for a 14-day trial, AI content and image/deepfake detection, OCR for documents, pictures and handwriting, shareable PDF reports, and a 14-day HUMN-1 website certification trial. The published pricing details describe time-limited access, not an ongoing free allowance.
Can AI writing be detected?
Winston AI scans text and gives a 0–100 score for the likelihood of human or AI authorship. The product claims 99.87% accuracy across ChatGPT, Claude, Gemini and other models, but a detector score is not proof that a person or AI wrote something.
How much does iThenticate cost?
iThenticate pricing is not published in the published material we reviewed, so we can’t give a reliable price or compare it directly with Winston AI. Winston’s listed plans run from $10/month billed annually for Essential to $49/month monthly for Elite; Enterprise/Custom requires a sales quote.
Which AI tool is best for pricing?
Winston AI is a content-detection product, not a pricing tool. If you mean which Winston plan costs least, Essential is the lowest paid option at $10/month with annual billing; Free is limited to a 14-day, 2,000-credit trial. The right fit depends on monthly credits and team size.