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Aithor
What it is
Aithor is an AI writing tool for students, researchers, and professionals, available through the web and API. Its Writer can produce essays, literature reviews, academic writing, and research from a topic prompt, with adjustable length and tone. Aithor says its database contains more than 10 million peer-reviewed, verifiable sources, and the Writer can add citations in MLA, APA, IEEE, AMA, ACS, Chicago, Harvard, and Vancouver formats. Other listed tools include an AI Detector, AI Humanizer, AI Paraphraser, Grammar Checker, Citation Generator, and Topic Generator. Free accounts offer limited paper generation and word allowances for some tools, and users may have to wait in line. The Pro plan costs $7.50 a month, billed twice a year, and lists unlimited content generation and editing tools. API access for the Humanizer and Detector has customized, usage-based pricing; credits depend on word count, each request has a five-credit minimum, and monthly credits expire without rolling over. Aithor says Humanizer results are not guaranteed to be 100% undetectable.
For and against
For
- Writer can draft academic work from a topic prompt
- Database lists more than 10 million sources
- Supports eight citation formats
- Includes writing, editing, and citation tools
Against
- Free access includes limited generation and tool allowances
- Free users may have to wait in line
- API monthly credits do not roll over
- Humanizer results are not guaranteed to be 100% undetectable
The verdict
Aithor combines topic-based drafting, source-based research, citations, and several editing tools. Free use is limited, while the Pro plan lists expanded access and the API uses custom usage-based pricing.
Who it suits
It suits students, researchers, and professionals who want writing, research, and citation tools in one service. API access is aimed at teams integrating Humanizer or Detector functions into writing workflows.
Plans and prices
Basic
Limited content generation and AI editing · Free AI Humanizer, AI Detector, and AI Paraphraser tools
Read 4 Oct 2026 · aithor.com
Pro
Unlimited content generation with auto-citations · Unlimited AI Humanizer, AI Detector, AI Paraphraser, and AI editing · Chat with AI using sources from 10M+ database · Writing style selection
Read 4 Oct 2026 · aithor.com
On the record
- Academic sources
- Aithor says its database contains more than 10 million peer-reviewed, verifiable sources.aithor.com · read 3 Oct 2026
- Academic writing
- Aithor Writer can draft essays, literature reviews, academic writing, and research from a topic prompt, with adjustable length and tone.aithor.com · read 4 Oct 2026
- API
- Aithor offers API access to integrate its AI Humanizer and AI Detector into products and workflows.aithor.com · read 4 Oct 2026
- API credit use
- The API page estimates about 133 credits per 1,000 Humanizer words and 67 credits per 1,000 Detector words, with a five-credit minimum per request.aithor.com · read 3 Oct 2026
- API limits
- API credits are consumed per request based on word count, unused monthly credits do not roll over, and each request has a five-credit minimum charge.aithor.com · read 4 Oct 2026
- API pricing
- The API page describes customized, usage-based pricing and says monthly credits expire without rolling over.aithor.com · read 3 Oct 2026
- API support
- The API page offers dedicated technical assistance and says API access requests typically receive a response within 24 hours.aithor.com · read 4 Oct 2026
- Citations
- The Writer can add citations and references in eight formats: MLA, APA, IEEE, AMA, ACS, Chicago, Harvard, and Vancouver.aithor.com · read 3 Oct 2026
- Citation styles
- The Writer supports eight citation formats: MLA, APA, IEEE, AMA, ACS, Chicago, Harvard, and Vancouver.aithor.com · read 4 Oct 2026
- Free access
- The About page says sign-up provides some free features, including limited paper generation and word allowances for tools such as Humanizer or Paraphraser.aithor.com · read 3 Oct 2026
- Free-plan limit
- The About page says free-plan users may have to wait in line, while the paid Pro plan offers unlimited priority access to all features.aithor.com · read 3 Oct 2026
- Free usage
- The maker says free accounts include limited paper generation and word allowances for some tools, with possible waits in line.aithor.com · read 4 Oct 2026
- Humanizer limitation
- Aithor says Humanizer results are not guaranteed to be 100% undetectable and reports around 85% human-written scores in most English and Spanish tests.aithor.com · read 4 Oct 2026
- Intended API users
- The API page presents the Humanizer API for teams working with AI-assisted writing at scale, including SEO, content marketing, copywriting, websites, newsletters, and blogs.aithor.com · read 3 Oct 2026
- Other tools
- Aithor lists an AI Detector, AI Humanizer, AI Paraphraser, Grammar Checker, Citation Generator, and Topic Generator among its tools.aithor.com · read 4 Oct 2026
- Product
- Aithor describes itself as an AI-powered writing tool for students, researchers, and professionals.aithor.com · read 3 Oct 2026
- Research sources
- Aithor says its research database contains over 10 million peer-reviewed, verifiable sources.aithor.com · read 4 Oct 2026
- Subscription cancellation
- Subscribers retain access to AI features until the end of the current billing period after cancellation.aithor.com · read 4 Oct 2026