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Winston AI
Credit-based AI detection with OCR, plagiarism, and deepfake image checks
$5/mo (billed annually)
Try Winston AI Full review →
Originality.AI
Credit-based AI detection and originality suite for publishers and editorial teams
$12.95/mo
Try Originality.AI Full review →Our pick
Winston AI
Best for Teachers, tutors, and budget-driven checkers who need high monthly volume (100,000 credits at $5/mo annual), document/handwriting OCR, and AI image detection — and will accept a no-mid-term-cancellation annual plan.
For publishing teams that screen content for AI AND plagiarism, Originality.AI is the pick — plagiarism is native to every scan, Deep Scan explains which sentences look AI, and the vendor replies to 100% of negative reviews, typically within a day. For educators, tutors, and anyone whose need is high-volume text checking on a minimal budget, Winston AI delivers twenty times the credit allowance at 40% of the price, plus OCR and image detection no text-first rival bundles. Winston's documented trade: annual plans can't be cancelled mid-term, and its accuracy record is self-reported; Originality's trade: monthly credit expiry and a rocky October 2026 model update.
Feature comparison
| Feature | Winston AI | Originality.AI | Winner |
|---|---|---|---|
| Starting price (verified Oct 2026) | $5/mo annual ($10 monthly) for 100,000 credits | $12.95/mo annual for 2,000 credits (200K words) | — |
| Free option | 2,000-credit trial, 14 days, no card | 100 one-time credits (~10K words), all features | — |
| Plagiarism checking | Advanced plagiarism detection included | Included — combined scan at 2 credits/100 words | — |
| Beyond text | OCR for scans and handwriting; AI image/deepfake detection (Midjourney, DALL-E, Stable Diffusion) | Readability scoring; fact/hallucination checking on the same credit balance | — |
| Scan limits | Up to 200,000 characters/scan; unlimited scans/hour | 100-word minimum per scan; shorter text may impact accuracy | — |
| Team features | Pooled credits, 5 seats (Advanced) to unlimited (Elite) | Extra seats $8.62–$19.04/mo each; team management on Pro | — |
| Cancellation terms | Annual plans cannot be cancelled during the term (vendor pricing FAQ); monthly billing available at 2× price | Standard subscription management; credits expire monthly regardless of use | — |
| Accuracy evidence | Vendor-run: #1 on RAID (99.89% @ 1% FP), zero FP claim across 25,996 essays — self-reported; 17% one-star Trustpilot reviews incl. a false-flag report | Deep Scan per-sentence explanations; Oct 2026 5.0 update drew accuracy complaints, legacy models removed without refunds; replies to 100% of negative reviews | — |
Side-by-side deep dive
What it does best
- Benchmark-backed accuracy claims — #1 on RAID (99.89% of AI text caught at a 1% false-positive rate) and zero false positives across 25,996 student essays, per the vendor's research page
- High entry-tier allowance — 100,000 credits/month at $5/mo annual ($60/yr), with up to 200,000 characters per scan and unlimited scans per hour
- Team-ready — pooled credits among members, up to 5 seats on Advanced and unlimited on Elite, plus shareable link/PDF results
- Detection beyond text — OCR reads scans and handwriting, and AI image/deepfake detection covers Midjourney, DALL-E, and Stable Diffusion output in the same subscription
The catch
- Annual plans cannot be cancelled during the term — monthly cancellations only take effect at the end of the current paid term, per the pricing FAQ
- Coupon-dependent pricing — a 50%-off code (BTS50) sits on every tier, so list prices work as anchors rather than what buyers actually pay
- Accuracy is self-reported and disputed by some users — Trustpilot carries 17% one-star reviews including a detailed false-flag report, and G2 users describe short paragraphs scoring as AI
What it does best
- Full originality stack — AI detection, plagiarism, readability, grammar, and fact/hallucination checks — funded from one credit balance
- Deep Scan explains which sentences look AI-generated and suggests ethical edits
- Writing Replay in the Chrome extension evidences authorship while scanning in Google Docs
- Replies to 100% of negative Trustpilot reviews, typically within 24 hours
The catch
- Subscription credits expire monthly — unused Pro credits vanish at renewal
- Re-scans charge full credits even after minor edits
- October 2026 5.0 model update drew accuracy complaints and removed legacy models without refunds
Pricing showdown
| Plan | Winston AI | Originality.AI |
|---|---|---|
| Free plan | No | Yes |
| Pricing type | paid | freemium |
| Starting price | $5/mo (billed annually) | $12.95/mo |
| Enterprise | Custom | Custom |
Use-case matching
Choose Winston AI if...
- Teachers
- tutors
- and budget-driven checkers who need high monthly volume (100
- 000 credits at $5/mo annual)
- document/handwriting OCR
Choose Originality.AI if...
- Publishers and content teams who need AI detection with plagiarism in one combined pass
- per-sentence Deep Scan explanations for editorial fixes
- and a vendor with a documented 24-hour negative-review response record.
Final verdict
Our pick: Winston AI
For publishing teams that screen content for AI AND plagiarism, Originality.AI is the pick — plagiarism is native to every scan, Deep Scan explains which sentences look AI, and the vendor replies to 100% of negative reviews, typically within a day. For educators, tutors, and anyone whose need is high-volume text checking on a minimal budget, Winston AI delivers twenty times the credit allowance at 40% of the price, plus OCR and image detection no text-first rival bundles. Winston's documented trade: annual plans can't be cancelled mid-term, and its accuracy record is self-reported; Originality's trade: monthly credit expiry and a rocky October 2026 model update.
Full comparison
Method
Researched from both vendors' pricing pages, pricing FAQs, and review profiles, verified 2026-10-26. Accuracy statements are labeled vendor claims or dated user reports — neither detector publishes independent verification, and this comparison does not invent any.
Quick verdict
A content team that screens every submission should pay for Originality.AI: the combined AI-plus-plagiarism scan is the editorial workflow, Deep Scan names the exact sentences that need rewriting, and a vendor that answers every negative review within a day changes what a billing dispute looks like. A teacher or budget user checking high volume should buy Winston: 100,000 credits a month at $5/mo annual, OCR that reads handwriting and scans, image detection bundled — twenty times the allowance at less than half the price, with the documented trade that you cannot exit the annual term early.
The catch on each side
Winston's catch is commitment and self-grading. The pricing FAQ states annual plans cannot be cancelled during the term; monthly billing exists but at double the price ($10 vs $5). A 50%-off coupon sits on every tier, which tells you list prices are anchors. The accuracy story — #1 on RAID at 99.89%, zero false positives across 25,996 essays — is vendor-run, and the thin review base (23 Trustpilot reviews, 17% one-star including a detailed false-flag report; 13 G2 reviews) includes users describing short paragraphs scored as AI.
Originality.AI's catch is the meter. Subscription credits expire monthly whether you scan or not; a re-scan after minor edits charges full credits; the 100-word scan minimum penalizes short checks; and extra seats run $8.62–$19.04/mo each. The October 2026 5.0 model update removed legacy models without refunds and drew accuracy complaints — a reminder that any detector workflow is versioned underneath you.
When to use both
The pairing is natural for high-stakes screening: Winston's cheap volume as the first pass on large submissions, Originality.AI's credits reserved for combined AI-plus-plagiarism checks where publication decisions get made. On pure text checks Originality's per-word price is the constraint; on mixed media — scanned PDFs, handwriting, suspect images — Winston is simply the only one of the two that sees them.
The one-liner
Winston is volume-first with an exit locked behind the annual term; Originality is workflow-first with a meter that never sleeps — pick the constraint you'd rather live with.
Full breakdowns: Winston AI · Originality.AI · also compare GPTZero vs Originality.AI. Where detectors fit in the full stack: best AI SEO tools.
Commission note: both tools run affiliate programs; figures above come from vendor pricing pages verified 2026-10-26, not affiliate materials. We also recommend tools with no affiliate program when they're the best fit.
Frequently asked questions
Is Winston AI cheaper than Originality.AI?
Which tool checks plagiarism as well as AI content?
Can Winston AI scan handwriting and images?
Which detector has better evidence of accuracy?
Can I cancel Winston AI's annual plan?
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