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Aithor

aithor.com

From $7.50/mo Free plan WebAPI
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Spec score 9.1 #1 of 29 in AI Essay Writers

What it is

Aithor is an AI-powered writing tool for students, researchers, and professionals, available through the web and API. Its Writer can draft essays, literature reviews, academic work, and research from a topic prompt, with adjustable length and tone. Aithor says its research database contains more than 10 million peer-reviewed, verifiable sources. The Writer can add citations in MLA, APA, IEEE, AMA, ACS, Chicago, Harvard, and Vancouver formats. Other listed tools include an AI Detector, Humanizer, Paraphraser, Grammar Checker, Citation Generator, and Topic Generator. Free accounts include limited paper generation and word allowances for some tools, and users may have to wait in line. Pro costs $7.50 a month, billed twice a year, and lists unlimited content generation and editing tools. API access is available for the Humanizer and Detector with customized usage-based pricing; credits are consumed according to word count, expire monthly, and each request has a five-credit minimum. Aithor says Humanizer results are not guaranteed to be 100% undetectable.

Spec sheet

What it does
Aithor describes itself as an AI-powered writing tool for students, researchers, and professionals to create content faster.Read 4 Oct 2026 · aithor.com
Product
Aithor describes itself as an AI-powered writing tool for students, researchers, and professionals.Read 3 Oct 2026 · aithor.com
API
Aithor offers API access to integrate its AI Humanizer and AI Detector into products and workflows.Read 4 Oct 2026 · aithor.com
Founded
2023Read 28 Sep 2026 · aithor.com
Academic sources
Aithor says its database contains more than 10 million peer-reviewed, verifiable sources.Read 3 Oct 2026 · aithor.com
Academic writing
Aithor Writer can draft essays, literature reviews, academic writing, and research from a topic prompt, with adjustable length and tone.Read 4 Oct 2026 · aithor.com
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.Read 3 Oct 2026 · aithor.com
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.Read 4 Oct 2026 · aithor.com
API pricing
The API page describes customized, usage-based pricing and says monthly credits expire without rolling over.Read 3 Oct 2026 · aithor.com
API support
The API page offers dedicated technical assistance and says API access requests typically receive a response within 24 hours.Read 4 Oct 2026 · aithor.com
Citation styles
The Writer supports eight citation formats: MLA, APA, IEEE, AMA, ACS, Chicago, Harvard, and Vancouver.Read 4 Oct 2026 · aithor.com
Citations
The Writer can add citations and references in eight formats: MLA, APA, IEEE, AMA, ACS, Chicago, Harvard, and Vancouver.Read 3 Oct 2026 · aithor.com
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.Read 3 Oct 2026 · aithor.com
Free usage
The maker says free accounts include limited paper generation and word allowances for some tools, with possible waits in line.Read 4 Oct 2026 · aithor.com
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.Read 3 Oct 2026 · aithor.com
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.Read 4 Oct 2026 · aithor.com
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.Read 3 Oct 2026 · aithor.com
Other tools
Aithor lists an AI Detector, AI Humanizer, AI Paraphraser, Grammar Checker, Citation Generator, and Topic Generator among its tools.Read 4 Oct 2026 · aithor.com
Research sources
Aithor says its research database contains over 10 million peer-reviewed, verifiable sources.Read 4 Oct 2026 · aithor.com
Subscription cancellation
Subscribers retain access to AI features until the end of the current billing period after cancellation.Read 4 Oct 2026 · aithor.com
Undetectability caveat
Aithor states that 100% undetectability is not guaranteed and reports around 85% human-written scores in most of its English and Spanish tests after Humanizer use.Read 3 Oct 2026 · aithor.com
Who it serves
The maker lists students, researchers, and professionals as intended users, and names SEO, content marketing, copywriting, websites, newsletters, feeds, and blogs as API use cases.Read 4 Oct 2026 · aithor.com
Writing tasks
Aithor Writer supports essays, literature reviews, academic writing, research, and general education.Read 3 Oct 2026 · aithor.com
Writing tools
Aithor lists an AI Detector, AI Humanizer, AI Paraphraser, Grammar Checker, Citation Generator, and Topic Generator among its tools.Read 3 Oct 2026 · aithor.com

Plans and prices

Basic Free Limited content generation and AI editing · Free AI Humanizer, AI Detector, and AI Paraphraser tools Read 4 Oct 2026 · aithor.com
Pro $7.50 a month billed twice a year 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 · Reference style selection · Table of contents tool Read 4 Oct 2026 · aithor.com

Every Aithor plan and price →

Strong points and limits

Strong points

  • Writer supports eight named citation formats.
  • Database contains more than 10 million stated research sources.
  • Free accounts include limited generation and editing access.
  • Pro lists unlimited content generation and editing tools.

Limits

  • Free users may have to wait in line.
  • API credits expire monthly without rolling over.
  • Each API request has a five-credit minimum.
  • Humanizer does not guarantee 100% undetectability.

Who it suits

Aithor is intended for students, researchers, and professionals who want writing, research, or citation tools. Its Humanizer and Detector APIs are presented for teams handling AI-assisted writing at scale, including content marketing, copywriting, websites, newsletters, and blogs.

Verdict

Aithor combines drafting, citation, and editing tools with a source database and API options. Free use is limited, and Humanizer output is explicitly not guaranteed to be undetectable.

Where Specifiction places it

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