GPTinf vs StealthWriter (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
GPTinf
From $19/mo against from $20/mo
Free plan
StealthWriter
Only StealthWriter has one
Higher rating
GPTinf
3.5 against 2.9
Same job?
Yes
Both are Writing tools

Side by side

Compared on	GPTinf	StealthWriter
Our rating	3.5Better	2.9
Starts at	$19/moBetter	$20/mo
Free plan	No	YesBetter
Category	Writing	Writing
Plans	From $19/mo	From $20/mo
Key features	Rewrites AI-generated text using a non-AI algorithm targeting perplexity and burstiness Eight distinct rewrite modes for different tone and style outcomes Built-in AI detector that scores text for AI-pattern probability Plagiarism checker to confirm originality alongside humanization Browser-based editor with no software installation required	AI humanizer with light, medium and aggressive modes Bundled AI detector to verify the output Deep Scan sentence-by-sentence analysis Alternative rewrites per sentence V2 detection technology
Pros	Addresses detection and rewriting in one interface instead of two separate tools Multiple rewrite modes give users a fallback if one style does not pass detection Vendor states plan changes and cancellation take two clicks, with no lock-in	Sentence-level control rather than one blanket rewrite Free tier before any of the paid plans Detector included, so results are checkable
Cons	Independent tests have shown it failing to bypass detectors like GPTZero in some cases Can introduce awkward phrasing or grammatical errors when pushed to evade detection Raises academic-integrity concerns given its bypass-detection use case	Its purpose is defeating detection, and students are the first audience named Submitting rewritten work is academic misconduct at most institutions Detector evasion is an arms race; today's pass is tomorrow's fail
Company	GPTinf, founded 2023	AiVantage LLC

Prices come from each vendor's pricing page, last checked 20260814. Check the vendor before you buy.

FAQ

Questions people ask

Is GPTinf better than StealthWriter?

In our reviews GPTinf scores 3.5 and StealthWriter scores 2.9. The better pick depends on the job. GPTinf: A paraphrasing engine that rewrites AI-generated text to read as human-written. StealthWriter: Rewrites AI-generated text to defeat AI detectors, and ships a detector to check the result.

Which is cheaper, GPTinf or StealthWriter?

GPTinf has the lower starting price: from $19/mo for GPTinf and from $20/mo for StealthWriter.

Do GPTinf and StealthWriter have free plans?

Only StealthWriter has a free plan.

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