Undetectable.ai
AI detector and AI humanizer in one workspace — scan text for AI flags, then rewrite it to score as human
Buy this for throughput, not for bragging rights on accuracy. The detector-plus-humanizer loop inside one 5,000-word screen is what saves time, and the 50K annual tier lands at $21.25/mo for 380,000 words — cheap next to paying an editor to de-robot a draft. Watch two things: the 250-word free trial won't tell you much about your own content, and the money-back guarantee only triggers if output is flagged, not if it reads badly.
Verified 2h ago · liveness 73/100 · cite: rightaichoice.com/tools/undetectable-ai
- Content writers and SEO teams shipping AI-assisted drafts every week
- Freelancers and agencies where the 50K annual plan's per-word cost beats editing time
- Marketers and business owners scaling output without adding headcount
- Anyone who wants a first-pass check on text, image, audio, video, or documents from one dashboard
- Occasional users — the 250-word free trial is too small to test on your own content
- Anyone expecting a hands-off result; humanized text still needs a read-through
- Writers whose output is primarily non-English, where accuracy trails English
We scan live Reddit threads, YouTube comments, X posts, G2 reviews and other communities — and hand you an honest verdict in under a minute.
- Honest verdict, not marketing
- Real pros & cons from real users
- Attributed quotes with receipts
3 free scans · no card needed
Skip Undetectable.ai if you only need an occasional AI check on a paragraph — the 250-word free trial is too small to evaluate output and a lighter single-purpose detector costs less.
The 250-word free trial will not get you through a single real article, so you're committing to a paid tier just to evaluate the rewrite quality on your own niche.
Annual pricing is the real price: $5.00/mo for 10K words up to $21.25/mo for 50K words, which undercuts hiring editing time at any meaningful volume. Monthly billing is roughly double, so month-to-month only makes sense as a one-month evaluation. Solo writers producing a handful of articles a month fit the 10K tier; agencies and publishers running continuous output should price the 50K annual plan or the custom business tier. Compared with paying an editor to de-robot a draft, this is cheaper
In short
Undetectable.ai — AI detector and AI humanizer in one workspace — scan text for AI flags, then rewrite it to score as human. Best for Content writers and SEO teams shipping AI-assisted drafts every week, Freelancers and agencies where the 50K annual plan's per-word cost beats editing time, Marketers and business owners scaling output without adding headcount. Free to start; paid plans from $9.99/mo.
What's new in Undetectable.ai
Checked todayAcross the latest 10 updates: 10 news mentions.
Can Turnitin Detect ChatGPT? 2026 Turnitin ChatGPT Detector
Blog post examining whether Turnitin's 2026 ChatGPT detector flags AI-written text.
Falsely Accused of Using AI? How to Prove Your Paper Is Human-Written
Undetectable AI blog post on proving a paper is human-written when accused of AI use.
The Anatomy of AI Image Artifacts: Why AI Images Fail
Blog post on AI image artifacts and why generated images fail detection checks.
How to Check for Plagiarism in Google Docs: Best Tools and Tips
Guide to plagiarism checking in Google Docs, including tool comparisons.
What is AI Catfishing?
Explainer on AI catfishing and how synthetic content is used to deceive.
Can ChatGPT Proofread? Tips for Accurate and Effective Results
Blog post on using ChatGPT for proofreading and getting accurate results.
AI Workflow Automation: How to Automate Workflows with AI
Overview of automating workflows with AI tools.
Types of Paraphrasing: Examples and Best Practices
Guide to paraphrasing types with examples and best practices.
How To Spot AI-Written Emails and Phishing Attempts
Guide to identifying AI-written emails and phishing attempts.
Scribbr AI Detector Review: Is It Accurate?
Review of the Scribbr AI detector and its accuracy.
What people actually say about Undetectable.ai — is it worth it?
We ran a structured research pass across product reviews, community discussions, and post-purchase forum threads to surface the patterns vendors won't publish themselves. Below: the recurring strengths, the hidden costs people mention most, and the cohort that consistently regrets adopting this tool.
10 mentions across 3 sources (Reddit, Hacker News, Product Hunt) · researched Jul 30, 2026.
Average across the 3 sources that answered — each source counts once, not each post.
- +Aggregates multiple AI detectors in one click.
- +Chrome extension enables detection on any webpage.
- +Supports 50+ languages for global users.
- +Humanizer offers writing level matching (e.g., student, professional).
- +Includes AI image, audio, and fake PDF detectors.
- −Expensive for what it delivers – $9.99/mo for 10K words.
- −Cancellation forfeits unused credits; no refunds given.
- −Humanized text often still flagged by advanced detectors.
- −Customer support is unresponsive and refund process is painful.
- −Cheaper DIY GPT methods beat it in independent tests.
- • Credits expire upon cancellation, locking you out of refund testing.
- • No free tier – you must pay to even evaluate the tool.
- • Higher tiers are expensive compared to DIY GPT solutions.
In users’ own words
“I created this *I did kind of use Chatgpt to code soke Things but I coded most of the parts It worked In every Ai Detectors including gptzero, zerogpt, And alot of them, Idk how to release it tho although I wanna Upload it”
“I just forgot to cancel the subscription for it and they don't give refunds unless their texts come up as AI and since I canceled and didn't read that they take the credits away I can't do it myself. If anyone could pm me a screenshot of undetectable.ai AI not passing as human on any AI detector I'd really appreciate it, to try and get a refund I'll even zelle you 5 bucks it's not much but I'd like the 20 bucks I…”
Real posts from independent users, linked to the source — not testimonials we collected.
Viability Score
How well maintained and how widely used is Undetectable.ai? Built from what the vendor actually publishes (docs, changelog, tutorials, integrations, pricing), whether the site is live, and how much real users discuss it. How we calculate this
Last calculated: October 2026
How we score →Key Features
- AI Detector highlights the exact sentences a detector would flag as AI-generated
- AI Humanizer rewrites flagged text to score as human on major AI detectors
- Scan and humanize up to 5,000 words per session in the web app
- Paste text, upload a file, or load sample text from ChatGPT, Claude Gemini, or Human
- Writing level matching adjusts tone and vocabulary to your chosen style
- AI Image Detector gives an instant read on whether a picture was AI-made
- AI Audio Detector and AI Voice Detector analyze recordings for AI generation
- AI Video Detector and Deepfake Detection for synthetic video content
- Fake PDF Detector checks whether a PDF is fake, edited, or AI-generated
- Fake Receipt Detector and Fake ID Detector for document verification
- Chrome Extension for detection and humanization inside Google Docs, Gmail, and any webpage
- API access for wiring detection and humanization into your own pipeline
- AI Job Applier automates applications to matched job listings
- Companion tools: Paraphrasing Tool, AI Essay Writer, AI Stealth Writer, AI Plagiarism Checker
- AI Text Watermark Remover and AI SEO Content Writer
About Undetectable.ai
Undetectable.ai is a detection-and-rewrite workspace for anyone whose AI-assisted writing has to pass an AI detector. Paste text or upload a file, scan up to 5,000 words per session, and the AI Detector marks the exact sentences a detector would flag. The AI Humanizer then rewrites those sections — varying sentence structure, enriching vocabulary, matching your writing level — so the result reads naturally instead of stiff. The vendor stands behind it with a money-back guarantee: if humanized output is flagged as not human, the humanization is refunded. Text is only part of the suite. Detection tools cover AI images, fake or AI-edited PDFs, AI audio and voice recordings, AI video, deepfakes, fake receipts, and fake IDs. Writing utilities include a Paraphrasing Tool, AI Essay Writer, AI Stealth Writer, AI Plagiarism Checker, AI Text Watermark Remover, AI SEO Content Writer, Human Typer, and an AI Job Applier. The Chrome Extension puts the full toolkit inside Google Docs, Gmail, and any webpage, and an API lets you wire detection and humanization into your own pipeline. Pricing is freemium and credit-based. A free trial covers 250 words; paid tiers run 10K words/month at $9.99 ($5.00/mo billed annually at $60), 20K at $19.00 ($9.50/mo annually, $114/year), 35K at $31.00 ($15.75/mo, $189/year), and 50K at $42.50 ($21.25/mo) — that top tier advertises 6 months free on an annual charge that works out to 380,000 words. Business plans add non-expiring credits, redistribution and white labeling, and priority support. English is the primary focus; the tools accept 50+ languages at lower accuracy. It fits people who ship AI-assisted drafts at volume, or who want text, image, audio, video, and document verification under one login. If you only need to check a paragraph, a lighter single-purpose detector costs less.
Behind the Verdict
Where this earns its keep is repetition. If you're feeding it whole drafts week after week, the scan-then-humanize loop inside one screen beats juggling a detector tab and a rewriter tab, and the annual tiers push per-word cost well below what editing time runs. The 50K plan at $21.25/mo annually is the one we'd point volume shops at — 380,000 words for roughly the price of a lunch. Pick it if your problem is structural: content teams, SEO shops, agencies, and freelancers who generate AI-assisted copy and need it to survive a detector before a client or an editor sees it. The Chrome Extension matters more than it sounds — detection happening inside Google Docs and Gmail removes the copy-paste step that kills the habit. Pass if you're checking a paragraph a month. The 250-word free trial is genuinely too small to judge the humanizer on your own writing, and paid activation is the only way past it. If English isn't your output language, look elsewhere first; 50+ languages are supported, but the vendor itself says English gets the highest accuracy. The closest alternative is a single-purpose AI detector — cheaper if detection is all you need, useless once you actually have to rewrite something. Paid paraphrasing tools overlap partially but don't score against detectors. One caveat we'd flag to any buyer: the guarantee covers flagging, not readability. Humanized text still needs a read-through, and no refund fires because a sentence came out clumsy. Budget a light editing pass into your workflow. Second caveat: humanizer output quality varies with input. Tight, well-structured source text rewrites cleanly; rambling drafts come back rambling with different words. The tool smooths phrasing, it doesn't fix thinking. Finally, the surrounding suite — image, audio, video,
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Real-world workflow fit
Concrete scenarios for the personas Undetectable.ai actually fits — and what changes day-one when you adopt it.
A client flags a draft as AI-assisted. You paste it into the detector, see the specific sentences scoring as machine-written, and run those sections through the humanizer with writing level matching set to your usual register.
Outcome: You return a clean draft the same day without rewriting it from scratch, and you keep the detector screenshot as proof the final version reads as human.
Your team publishes AI-assisted articles and needs them to hold up under Google's guidance. You buy the 50K annual tier, run every draft through detection inside Google Docs via the Chrome Extension, and humanize flagged sections before publishing.
Outcome: Consistent output volume without adding headcount, and a documented detection pass on each piece before it goes live.
You white-label the workflow for clients. You move to the business tier for non-expiring credits and redistribution rights, then wire the API into your own editorial pipeline.
Outcome: Client-facing deliverables that pass detector checks, with credits that don't expire at month end and priority support when a deliverable is contested.
Use Cases
- Check a draft for AI detection probability before submitting it to a client or editor.
- Humanize AI-generated passages so they read naturally and score as human on major detectors.
- Produce SEO articles that hold up under Google's guidance on AI-assisted content.
- Rewrite AI-drafted emails, reports, and proposals so they sound like you wrote them.
- Verify whether an image or PDF is AI-generated or edited before sharing it.
- Run a voice recording or video through detection to check for synthetic media.
- Automate job applications with the AI Job Applier.
- Use the API to put humanization inside your own publishing pipeline.
Models Under the Hood
as of 2026-09-23
Limitations
- The free trial caps at 250 words, so you can't properly evaluate rewrite quality on your own material without paying.
- Paid plans are word-capped at 10K, 20K, 35K, or 50K words per month — AI detecting and the human auto typer are unlimited within that, but the humanizer is what the cap counts, which gets restrictive for high-volume publishers.
- Complex or technical content may not be rewritten cleanly and should be reviewed before submission.
- English is the strongest language; the 50+ other supported languages run at lower accuracy.
- The money-back guarantee covers only output that is flagged as not human, not output that reads poorly.
- The bundled fake-receipt, fake-ID, and deepfake detectors are convenience checks, not forensic evidence for formal or legal decisions.
as of 2026-09-14
Verification history
We have re-verified Undetectable.ai 8 times since . Each pass re-reads the vendor's own pages and re-checks every listed field against that evidence; passes where nothing had changed are marked as such.
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
Showing the 6 most recent of 8 verification passes.
Free to cite with attribution — this page re-verifies continuously.
12-month cost
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
Plans compared
For each published Undetectable.ai tier: who it actually fits, and what it adds vs. the previous tier. Cross-reference the cost calculator above for projected annual outlay.
Free Trial
$0
Ideal for
Anyone who wants a quick look at the interface before paying — roughly 250 words, enough for a paragraph or two of your own text.
What this tier adds
Free entry point: 250 words of usage, no card required, with additional usage requiring paid plan activation.
10K words/month
$9.99/mo
Ideal for
Solo writers and freelancers producing a handful of articles or a steady stream of shorter pieces each month.
What this tier adds
First paid tier: 10,000 words/month at $9.99 ($5.00/mo billed annually at $60/year), with unlimited AI detecting, unlimited Human Auto Typer, writing level matching, and API access.
20K words/month
$19.00/mo
Ideal for
Working freelancers and small content teams whose monthly output has outgrown the entry tier.
What this tier adds
Doubles the humanizer allowance to 20,000 words/month at $19.00 ($9.50/mo annually at $114/year), with the same unlimited detecting and auto typer.
35K words/month
$31.00/mo
Ideal for
Agencies and in-house marketing teams publishing long-form content on a continuous schedule.
What this tier adds
Raises the monthly humanizer cap to 35,000 words at $31.00 ($15.75/mo annually at $189/year), keeping unlimited detecting and the full feature set.
50K words/month
$42.50/mo
Ideal for
High-volume publishers and SEO teams where per-word cost matters more than tier price — annual billing delivers 380,000 words.
What this tier adds
Top listed tier: 50,000 words/month at $42.50 ($21.25/mo annually), includes all features from other plans, up to 380,000 words on annual billing, and 6 months free on annual terms.
Custom Discount For Business
Custom
Ideal for
Agencies and resellers that need bulk credits, white labeling, or credits that never expire month to month.
What this tier adds
Contact-sales tier on top of 50K: custom pricing and plans, non-expiring credits, redistribution and white labeling rights, priority support, and access to the Smart Job Applier.
Where the pricing makes sense
The company stage and team size where Undetectable.ai's pricing actually pencils out — and where peers do it cheaper.
Annual pricing is the real price: $5.00/mo for 10K words up to $21.25/mo for 50K words, which undercuts hiring editing time at any meaningful volume. Monthly billing is roughly double, so month-to-month only makes sense as a one-month evaluation. Solo writers producing a handful of articles a month fit the 10K tier; agencies and publishers running continuous output should price the 50K annual plan or the custom business tier. Compared with paying an editor to de-robot a draft, this is cheaper
Setup time & first value
How long it actually takes to get something useful out of Undetectable.ai — broken out by persona, not the marketing-page minute.
Individual writers: about five minutes — create an account, paste text or upload a file, and you're scanning. Chrome Extension users: add a few minutes to install and pin it, then detection runs inside Google Docs, Gmail, or any page. Teams wiring the API: budget a developer half a day to authenticate, send text, and handle the humanized response in your pipeline. Business-tier buyers should
Switching to or from Undetectable.ai
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
- →From a standalone AI detector: run your existing drafts through the Undetectable.ai detector to see flagged sentences inline, then fix them in the same interface instead of switching tabs.
- →From a manual editing pass: route only the sentences the detector flags to the humanizer, keeping your own rewrite time for structure rather than de-roboting prose.
- →From a browser-based writing workflow: install the Chrome Extension so detection and humanization run inside Google Docs, Gmail, and any webpage you already draft in.
- ↗To a single-purpose AI detector: if you only need pass/fail checks on short text, a lighter tool covers it for less than the $9.99 monthly entry tier.
- ↗To a general-purpose writing assistant: if you want drafting and rewriting in one model rather than detect-then-rewrite, a broader assistant replaces the humanizer step.
- ↗To an in-house editor: if your volume is low enough that human review is cheaper than a word-capped plan, drop the subscription at the end of the billing cycle.
Integrations
Resources & Guides
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Help · Undetectable.ai
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Blog · Undetectable.ai
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Ai Detector · Undetectable.ai
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Ai Humanizer · Undetectable.ai
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Pricing · Undetectable.ai
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Tutorials & Learning
YouTube returned 6 videos for “Undetectable.ai”, and we withheld 5: 5 could not be judged, because “Undetectable.ai” is a single word that other videos use for other things. Showing the 1 we can prove is about Undetectable.ai.
Official links
Tools that pair well with Undetectable.ai
Common stack mates teams adopt alongside Undetectable.ai, with the specific reason each pairing earns its keep.
GPTinf
GPTinf is an AI humanizer plus detector toolkit that rewrites AI text so GPTZero and Turnitin checks read it as human.
ZeroGPT
ZeroGPT flags AI-written text sentence by sentence, then hands you a humanizer, paraphraser and plagiarism checker in the same tab.
BypassGPT
AI humanizer that rewrites machine-written text to score as human on GPTZero, Turnitin and Originality.ai
Featured Head-to-Head Comparisons
Undetectable Ai vs Writer
If your priority is evading AI detectors cost-effectively, Undetectable.ai is the clear choice. But for enterprise teams needing brand-compliant, agentic workflows at scale, Writer's platform is unmatched. Choose based on your scale and need: stealth vs. governance.
Undetectable Ai vs Surfer Ai
For SEO teams needing data-driven, ranking content, Surfer AI is the clear pick with its 300K-word analysis, AI search tracker, and new auto-linking feature. Undetectable.ai is a niche tool for users who must bypass AI detectors—cheaper but limited to detection/humanization. Choose based on your end goal: rank or evade detection.
Undetectable Ai vs Letterhead
Undetectable.ai and Letterhead serve entirely different needs. Undetectable.ai is ideal for individual content creators, students, and SEO professionals who need to bypass AI detectors with high accuracy—it's a practical, paid tool with a free trial. Letterhead targets enterprise teams managing multiple newsletters at scale, offering AI agents to cut production time by 75% and boost revenue. Choose Undetectable for detection/humanization; choose Letterhead for multi-newsletter portfolio management.
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