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Free AI Detector
Inputs:
Outputs:
No Signup
A free AI content detector with analysis
Most popular alternative: GPTKit (229 saves)
Our free AI content detector goes beyond basic detection to give you detailed insights into your text. When you paste your content into our tool, it doesn't just tell you "this is AI-written" or "this is human-written." Instead, it highlights the exact sentences and phrases that sound artificial, so you can see exactly which parts triggered our detection system.
The highlighting feature uses different colors to show you problem areas at a glance, making it simple to identify sections that might need your attention.
What makes our detector special is the confidence scoring system that comes with every analysis. Each highlighted section gets its own confidence percentage, showing you how certain our AI is that those words came from a machine. You might see one sentence highlighted with 85% confidence while another shows 60% confidence.
This helps you understand which parts are definitely problematic and which ones might just need a second look. The whole document also gets an overall confidence score to give you the big picture.
Our tool is completely free and designed to be user-friendly for everyone. Whether you're a student checking your essay, a teacher reviewing assignments, or a content creator making sure your work sounds authentic, our detector makes the process straightforward. You get instant results with clear visual feedback, so you know exactly where to focus your editing efforts. No complicated technical jargon or confusing reports – just simple, actionable information that helps you improve your content.
The highlighting feature uses different colors to show you problem areas at a glance, making it simple to identify sections that might need your attention.
What makes our detector special is the confidence scoring system that comes with every analysis. Each highlighted section gets its own confidence percentage, showing you how certain our AI is that those words came from a machine. You might see one sentence highlighted with 85% confidence while another shows 60% confidence.
This helps you understand which parts are definitely problematic and which ones might just need a second look. The whole document also gets an overall confidence score to give you the big picture.
Our tool is completely free and designed to be user-friendly for everyone. Whether you're a student checking your essay, a teacher reviewing assignments, or a content creator making sure your work sounds authentic, our detector makes the process straightforward. You get instant results with clear visual feedback, so you know exactly where to focus your editing efforts. No complicated technical jargon or confusing reports – just simple, actionable information that helps you improve your content.
Key Features
- Ai Detector
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Releases
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July 29, 2025
Babatunde Oladipo
Initial release of Free AI Detector.
Pricing
Pricing model
Free
Paid options from
Free
Prompts & Results
Add your own prompts and outputs to help others understand how to use this AI.
Free AI Detector was manually vetted by our editorial team and was first featured on July 29th 2025.
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67,870511v2.5 released 1mo agoFrom $500/mo
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904,610651v1.6 released 1mo agoFree + from $12/mo
Reducing manual efforts in first-pass during code-review process helps speed up the "final check" before merging PRs
Pros and Cons
Pros
Free-to-use
Automated solver
Instant answers for riddles
Comprehensive explanations
Step-by-step solution walkthrough
Aids in skill improvement
Wide riddle variety
Inclusion of hints/clues feature
Privacy-friendly
Powered by GPT-4o technology
Tool for students
Tool for teachers
Tool for riddle contests
Helpful for quiz preparation
Covers logic puzzles
Handles tricky wordplay
Accommodates math riddles
Fosters improved problem-solving
Ideal for trivia prep
Aids language processing
Useful learning support
No login required
Works without an account
Optional context clue inclusion
Delivery of solution reasoning
Explains wordplay and logic
Supports unlimited riddles
Instant turnaround time
No signup or fees
Caters to puzzle enthusiasts
Useful for parents
Boosts creative thinking
Encourages critical thinking
All riddle types supported
Text not saved after session
Information not stored post-session
Ideal for Quiz Masters
Complex riddle handling
Continuous learning encouragement
Ideal for academic purposes
Appropriate for class assignments
Effective trivia competition prep
View 37 more pros
Cons
Relies on user-provided hints
No multi-language support
Depends on GPT-4o technology
No offline mode
Limited to text-input riddles
No visual riddle support
No user profile or history
Difficulty can't be adjusted
No problem generation feature
No mobile application
View 5 more cons
7 alternatives to Free AI Detector for AI content detection
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Detect AI-generated text with high accuracy27,242229Released 2y agoFree + from $5/mo -
Checked content's originality & plagiarism.9,04144Released 2y agoFrom $12.40/moGave it a quick try and it seems like a useful tool. I'm not 100% sure how accurate it is yet, will get a paid account to test more. An article I put in as a test that was written by AI but manipulated a few times and passed other AI detectors scored 99% AI in this app. Pretty huge difference! They way they quote pricing is misleading. They say 1 credit for 100 words BUT that is for AI detection OR plagiarism/readability. If you have both turned on, it is double that. Still a fairly reasonable price but not thrilled with how they quietly slip in a 100% price increase. -
Detect AI-generated content with free online tool8,989120Released 2y agoFrom $49/mo -
Bypass AI detectors with undetectable AI writing8,288147Released 2y agoFrom $6/moAbsolutely terrible! Spinning at it's worst and still 100% detected by GPTZero! -
Detect AI-generated faces with ease.6,48326Released 2y agoNo pricing -
Spot AI-generated content as you browse.6,37242Released 2y ago100% Free -
Detect AI-generated content with accuracy5,64142Released 2y agoFree + from $10/mo
View 42 more alternatives
Q&A
What is an AI content detector?
An AI content detector is a tool that analyzes text to identify whether it was written by artificial intelligence or humans. Our detector highlights suspicious sections and provides confidence scores.
How accurate is your AI detector?
Our detector uses advanced algorithms to provide high accuracy, but no AI detector is 100% perfect. We provide confidence scores to help you make informed decisions about the results.
Is this AI detector free to use?
Yes, our AI content detector is completely free with no hidden fees or subscription requirements.
How do I use the AI Riddles Answer Generator?
Using the AI Riddles Answer Generator involves entering the full text of the riddle you desire to resolve in the appropriate field. If any hints or clues are available, these can also be added to help yield a even more accurate solution. On clicking 'Generate Answer', the tool analyzes, interprets and promptly solves the riddle. A comprehensive solution and clear explanation of its logic are then provided.
What AI writing tools can your detector identify?
Our detector can identify content from ChatGPT, GPT-5, Claude, Gemini, and other popular AI writing tools.
How does the highlighting feature work?
Our tool highlights sentences and phrases that appear AI-generated using different colors, making it easy to see exactly which parts triggered our detection system.
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