Undetectable AI vs WasiTAI (Which AI Image Detection Tools Works Better) 

Someone slips an AI-generated image past a newsroom editor. A student submits a humanized ChatGPT essay and gets a passing grade. 

A fake profile with a Nano Banana adds you on Facebook claiming to be someone you know.

These aren't edge cases anymore. They're your typical Mondays.

Most detectors were built for one thing — text or images, never both. 

That gap is exactly what this comparison is about. 

Undetectable AI is one of the sharper text detection engines out there, plus an image detector built in. WasItAI has built its whole identity around catching AI-generated images. 

So we kept it fair.

Two tools. One playing field. One question: which one actually sees through the fakes?

What is Undetectable AI?

Undetectable AI started as an AI humanizer — a tool built to make AI-written content read more like a human wrote it. 

Over time, they layered a full detection suite on top, and the result is one of the more well-rounded text-focused AI tools available right now.

Beyond detection, the platform includes a humanizer, sentence rewriter, word counter, and a Chrome extension for in-browser use. (Talk about value for money)

Pricing runs on a word-credit model. Current yearly plans are running at a limited-time 50% discount — worth locking in if you're a regular user:

• 10K words/month — $9.99/mo (billed annually at $60)
• 20K words/month — $19.00/mo (billed annually at $114)
• 35K words/month — $31.00/mo (billed annually at $189)

They also back the humanizer with a money-back guarantee — if anything they produce still gets flagged as AI, they'll refund the humanization cost.

What is WasiTAI?

WasItAI does one thing and focuses on doing it well: detecting AI-generated images.

The scale of the problem it's solving is worth putting into context. There are roughly 35 million AI-generated images created every single day, with over 15 billion already floating around online. 

The naked eye can't keep up with that. WasiTAI's pitch is that its algorithms can.

The use cases it targets say a lot about who it's built for, fake news, ID fraud, art theft, travel listing scams, KYC bypass attempts. 

For that use case, there's an API. Pricing is straightforward:

• Basic — $4/month for 100 API requests, includes confidence scoring
• Custom — contact for pricing; flexible packages, high-speed processing, and on-premise installation available

The free browser checker has no hard limits for casual use — just upload and get results.

A Quick Note on Privacy

Both tools process uploaded images through their servers, so avoid submitting anything too sensitive or anything you wouldn't want passing through a third-party platform. 

Undetectable AI states that content is not stored or used for training. WasiTAI processes images once for classification and does not retain them afterward. 

The Test Setup

Since WasiTAI is an image-only detector, we kept the tests focused entirely on images (Just for the sake of fairness) — seven in total, pulled from the most common AI generation sources, plus real photos as the controls.

• Test 1: AI-generated image from ChatGPT
• Test 2: AI-generated image from Gemini
• Test 3: AI-generated image from Midjourney
• Test 4: Image from Facebook (AI-origin suspected)
• Test 5: Image from Facebook (AI-origin suspected)
• Test 6: Real phone camera photo
• Test 7: Real phone camera photo

The Facebook images serve as the baseline compressed, re-uploaded, poorer image quality, while the phone photos are the control setup if you will. 

Getting the AI-generated ones right is expected (as it should) 

The Actual Tests

Test 1: ChatGPT

Undetectable AI: Correctly flagged the image as AI Generated

WasiTAI: Correctly flagged the image as AI Generated

Test 2: Gemini (Nano Banana)

Undetectable AI: Correctly classified the image as AI-generated.

WasiTAI: Correctly flagged the image as AI-generated.

Test 3: Midjourney

Undetectable AI: Correctly classified the image as AI-generated.

WasiTAI: Correctly classified the image as AI-generated.

Test 4: Facebook Image #1

Undetectable AI: Correctly identified the image as a real one.

WasiTAI: Correctly identified the image as a real one.

Test 5: Facebook Image #2

Undetectable AI: Correctly identified the image as a Real but flagged it as likely digitally altered 

WasiTAI: Correctly identified the image as a real one.

Test 6: Real Phone Photo #1

Undetectable AI: Correctly identified the image as a Real.

WasiTAI: Correctly identified the image as a Real.

Test 7: Real Phone Photo #2

Undetectable AI: Correctly identified the image as a Real.

WasITAI: Correctly identified the image as a Real.

Score Summary

Test	Source	Undetectable AI	WasiTAI
#1	ChatGPT Image	✅ AI Detected	✅ AI Detected
#2	Gemini Image	✅ AI Detected	✅ AI Detected
#3	Midjourney Image	✅ AI Detected	✅ AI Detected
#4	Facebook Image (1)	✅ Real	✅ Real
#5	Facebook Image (2)	✅ Real (digitally altered flagged)	✅ Real
#6	Phone Photo (1)	✅ Real	✅ Real
#7	Phone Photo (2)	✅ Real	✅ Real
Accuracy		7/7	7/7

Final Thoughts

Seven tests. Seven correct calls. Both tools.

Honestly, it's hard to separate them on accuracy alone, they both did exactly what they're supposed to do. 

Every AI-generated image got flagged. Every real photo got cleared. On a pure detection scorecard, this one ends in a draw.

But a draw on accuracy doesn't mean these tools are equal.

Undetectable AI showed one extra layer in Test 5, it didn't just call the Facebook image real, it flagged it as likely digitally altered. 

Small detail, but it matters if you're doing serious content verification work. 

Undetectable AI also gives you a numerical confidence score. WasiTAI doesn't. We don't have those numbers on the table just for the sake of uniformity. 

Then there's the value question. WasiTAI is a standalone image detector. That's it. 

Undetectable AI gives you image detection, AI text detection, and an AI humanizer, under one complete package. 

So in terms of value I would give the edge to Undetectable