Charley AI vs GPTinf (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: Charley AI does not list a price
Free plan
Charley AI
Only Charley AI has one
Higher rating
GPTinf
2.7 against 3.5
Same job?
Yes
Both are Writing tools

Side by side

Compared on	Charley AI	GPTinf
Our rating	2.7	3.5Better
Starts at	Free	$19/mo
Free plan	YesBetter	No
Category	Writing	Writing
Plans	Free	From $19/mo
Key features	AI essay generation and expansion Automatic citation generation Lecture and video summarization Writing-style matching from a student's previous work (Ultimate tier) Free tier available (5 essays/month)	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
Pros	Citation generation and lecture summarization are genuine, uncontroversial study aids Free tier available to evaluate before paying Real reported scale (550,000+ students) shows broad adoption	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
Cons	Pairs a plagiarism detector with plagiarism removal in the same product - a self-defeating combination Full essay generation on request raises real academic-integrity questions students should weigh carefully Contract cheating carries real institutional and, in some jurisdictions, legal consequences	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
Company	Charley AI	GPTinf, founded 2023

Prices come from each vendor's pricing page, last checked 20260826. Check the vendor before you buy.

FAQ

Questions people ask

Is Charley AI better than GPTinf?

In our reviews Charley AI scores 2.7 and GPTinf scores 3.5. The better pick depends on the job. Charley AI: AI writing companion for students - essay generation, citation finding, lecture summarization and style matching, used by 550,000+ students. Also pairs a plagiarism detector with plagiarism removal. GPTinf: A paraphrasing engine that rewrites AI-generated text to read as human-written.

Which is cheaper, Charley AI or GPTinf?

Charley AI: free. GPTinf: from $19/mo.

Do Charley AI and GPTinf have free plans?

Only Charley AI has a free plan.

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