AI Detector by Buildly vs ZeroGPT (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: AI Detector by Buildly does not list a price
Free plan
Tie
Both have one
Higher rating
ZeroGPT
2.5 against 3.5
Same job?
Yes
Both are Writing tools

Side by side

Compared on	AI Detector by Buildly	ZeroGPT
Our rating	2.5	3.5Better
Starts at	Free	Free
Free plan	Yes	Yes
Category	Writing	Writing
Plans	Free	Free
Key features	Sentence-level highlighting rather than a single score Calibrated confidence scores Detects partially AI-written passages in mixed text 10,000 characters per scan with no account Browser extension and free API at 1,000 requests a day	AI text detection with sentence-level highlighting DeepAnalyse multi-stage detection method AI image and video detectors Plagiarism checker across billions of sources Batch file processing with PDF reports
Pros	Sentence-level output shows where a judgement came from Genuinely free with a generous API allowance and no account needed Specific privacy statement: not stored, not shared, not used for training	Sentence highlighting supports a conversation rather than an accusation Detects image and video, not text alone Batch processing and PDF reports fit marking a whole class
Cons	AI text detection is not reliable enough for consequential decisions 99.2% accuracy is not a figure any detector has demonstrated in the wild False positives fall hardest on non-native English writers	AI detection has a documented false-positive problem on non-native English A detection score should never be the sole basis for an academic penalty Ships a humanizer for defeating detectors alongside the detector
Company	Buildly LLC	ZeroGPT

Prices come from each vendor's pricing page, last checked 20260819. Check the vendor before you buy.

FAQ

Questions people ask

Is AI Detector by Buildly better than ZeroGPT?

In our reviews AI Detector by Buildly scores 2.5 and ZeroGPT scores 3.5. The better pick depends on the job. AI Detector by Buildly: Free AI text detection with sentence-level highlighting, in a category that does not work. ZeroGPT: AI detection across text, image and video, with sentence-level highlighting.

Which is cheaper, AI Detector by Buildly or ZeroGPT?

AI Detector by Buildly: free. ZeroGPT: free.

Do AI Detector by Buildly and ZeroGPT have free plans?

Yes, both have a free plan.

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