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Aithor

AI-powered writing platform with free detector to identify AI-generated text in essays and content.

Free·Best for ·1 min
Updated February 22, 2026Certified
Free Tier
1

What is Aithor?

Aithor is an Estonia-based AI technology company that offers both AI writing tools and a free AI Detector. The AI Detector, launched February 21, 2026, is a web-based tool designed to help users assess whether written content may include AI-generated text. It uses the latest algorithms to detect patterns, structures, and phrases most commonly associated with AI-written content. The tool is aimed at educators, students, and content creators who need to verify the authenticity of written work.

Best for: Free basic detection · Multi-language users · Quick checks

Aithor interface
2

Developer Stack Fit

Engineering evaluation

Quick read on where Aithor fits in a software team's AI stack. Validate final fit against your codebase, data policy, and deployment model.

Methodology
Deployment model
Cloud SaaS
Open-source status
Not confirmed
API support
Not a primary API tool
MCP support
No MCP signal found
Security posture
Stronger controls worth validating
Best use case
Free basic detection
3

Key Features

  1. 01

    Free AI text detection

    Free AI detection for text

  2. 02

    Probability scoring for AI-generated content

    Highlights AI-probable sections

  3. 03

    Highlights specific sections flagged as AI-written

    Multi-language support

  4. 04

    Supports multiple AI models (ChatGPT, Gemini, Claude, etc.)

    A core writing capability that teams use daily.

  5. 05

    Multi-language interface (50+ languages)

    A core writing capability that teams use daily.

  6. 06

    Essay writing tools (separate product)

    A core writing capability that teams use daily.

  7. 07

    AI Humanizer for content refinement (separate product)

    A core writing capability that teams use daily.

4

Pros & Cons

What stands out

  • Completely free to use
  • Simple web-based interface
  • Multi-language support (50+)
  • No signup required for basic use
  • Helps educators verify original work

Watch outs

  • Detection accuracy varies by content type
  • Limited additional features beyond detection
  • May produce false positives/negatives
  • Relatively new tool with limited track record
5

Pricing Plans

Aithor Pricing

Choose the perfect plan for your needs. All plans include our core features with different usage limits and advanced capabilities.

Most Popular

Free

Free
Free AI detection tool
Detects patterns, structures, and phrases from AI
Shows probability of AI-generated content
Highlights specific parts flagged as AI-generated
Available in 50+ languages
Get Started Free

Need a Custom Solution?

Looking for enterprise features or custom pricing? Contact Aithor directly for tailored solutions.

Contact Sales

Most teams land on the Free plan.

6

Alternatives

ToolRatingPrice
Aithor4Freecurrent
Lightfern4.4Freemiumview →
ChatGPT Plus4.8From $20/monthview →
Jasper AI4.5From $59/monthview →
Copy.ai4.3From $29/monthview →
Grammarly Business4.6From $15/monthview →
7

FAQ

What is Aithor and how does it work?

Aithor is a writing tool that ai-powered writing platform with free detector to identify ai-generated text in essays and content.. It uses AI to help users improve productivity through analyzing input and generating relevant output.

Is Aithor free to use?

Aithor offers a completely free plan. You can get started without paying anything.

Does Aithor have a free trial?

Yes — Free to try with no time limit.

What can Aithor do?

Educators checking student submissions for AI-written content
Content creators verifying originality
Academic institutions maintaining integrity standards
Editors reviewing submitted articles
Recruiters screening written samples

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