Education and tutoring
Caktus AI: review, pricing, data and alternatives
Caktus AI supports users with essay writing, mathematics, and studying. It searches for publications, prepares bibliographies, turns notes into study cards and quizzes, and analyzes or summarizes documents. A free tier exists; the first paid plan costs $180 per year. Access and transparency score: 68/100, #3 of 17 in its category.
| Access | 25/30 | |
|---|---|---|
| Openness | 20/30 | |
| Trust | 23/40 |
What is Caktus AI?
Caktus AI supports users with essay writing, mathematics, and studying. It searches for publications, prepares bibliographies, turns notes into study cards and quizzes, and analyzes or summarizes documents.
According to its documentation, Caktus AI lets you:
- prepare essays with citations
- solve mathematical problems step by step
- search for publications and prepare a bibliography
- turn notes into study cards and quizzes
- analyze and summarize documents
- export revised texts
We file it under Education and tutoring, the category of tools to learn and teach, and it also overlaps with aI writing tools and research assistants. The category lists 17 verified tools on this site.
The publisher is CAKTUS AI, INC., based in United States. The service launched in 2022, which gives it some track record.
Who is it for?
It is mostly useful to these profiles: students and teachers. The need it covers is simple to state: learn and teach.
Caktus AI is a good candidate if:
- you want to try before paying
- you plan to connect it to your tools or automations through its API
The best test is a concrete case from your daily work: if the tool does not beat your current method within a week, move on to an alternative.
How much does Caktus AI cost?
Pricing model: freemium (limited free use, then paid). A free plan is offered, usually limited in volume or features.
The first paid plan costs $180 per year (Annual subscription, equivalent to USD 15 per month; monthly plan at USD 30), according to the pricing page, checked on October 24, 2026.
Per month, that is more expensive than the category median ($8.16 per month, based on tools with a published price).
To estimate what the same work would cost done directly with an AI model, use our API price calculator. Prices change often: always check the official site before subscribing.
Data and privacy
The publisher does not clearly state where data is hosted. Assume your content may leave your region.
For professional use, check that a data processing agreement (DPA) is offered, and do not send customers' personal data or confidential documents without one.
Exporting your content: Word, PDF, Markdown. Being able to get your data back makes switching tools easier later.
Three habits apply to every AI tool:
- turn off the use of your content for training if the option exists
- use a work account separate from your personal account
- review everything the tool produces before publishing or sending it
Platforms, languages and API
Caktus AI runs on: web browser.
Interface languages: English.
A public API lets you call it from your own programs or an automation tool, and plug it into an AI agent.
How we scored it
Our 68/100 score does not judge output quality: it measures what can be publicly verified about access to the tool, its openness and how far the publisher can be trusted.
| Criterion | Points | What counts |
|---|---|---|
| Access | 25/30 | free tier, published price, French interface |
| Openness | 20/30 | API, data export, open code |
| Trust | 23/40 | identified publisher, declared hosting, age, presence in reference lists |
The full calculation is explained on our method page.
Comparison with alternatives
Caktus AI against other tools in the education and tutoring category:
| Tool | Free | Entry price | API | Score |
|---|---|---|---|---|
| Caktus AI | Yes | $180 per year | Yes | 68 |
| Coursebox | Yes | not published | Yes | 73 |
| MagicSchool | Yes | $8.33 per month | – | 70 |
| LearnClash | Yes | $7.99 per month | – | 63 |
| Khanmigo | Yes | $44 per year | – | 60 |
| Quizlet | Yes | $35.99 per year | – | 60 |
| Quizgecko | Yes | $108 per year | Yes | 58 |
| QuizRise | Yes | not published | Yes | 58 |
Verdict
Caktus AI is among the most accessible and transparent tools in its category.
Strengths
- Free tier to try it
- Public API
- Established since 2022
Limitations
- More expensive than its category median
- Data hosting not disclosed
Avoid if…
- You handle sensitive personal data without a processing agreement
Alternatives
- Courseboxfree tier
- MagicSchoolfree tier
- LearnClashfree tier
- Khanmigofree tier
- Quizletfree tier
- Quizgeckofree tier
Categories and jobs
Learn more
Frequently asked questions
Is Caktus AI free?
Yes, a free plan exists, with usage limits. The first paid plan costs $180 per year.
Where is Caktus AI data stored?
The publisher does not clearly say so in its public documentation.
Does Caktus AI have an API?
Yes, a public API is documented.
What are the alternatives to Caktus AI?
In the same category: Coursebox, MagicSchool, LearnClash, and Khanmigo.
Caktus AI or Coursebox: which one to choose?
Our score is 68/100 for Caktus AI and 73/100 for Coursebox. Try both on the same task before paying.
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Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score