AI Detect vs Undetectable AI
Side-by-side comparison of features, pricing, ratings, and alternatives.
AI Detect is a web-based platform that combines a powerful AI detector with an AI humanizer, allowing users to identify AI-generated text and rewrite it to appear more human. The service claims 99% accuracy on major AI models like ChatGPT, Google Gemini, Claude Opus, Meta LLaMa, and Mistral AI, making it a go-to tool for verifying content authenticity. Beyond detection, AI Detect provides readability and grade level scoring, helping users refine their content for clarity and target audiences. With a free tier and flexible weekly, monthly, or yearly plans, it is designed for students, writers, marketers, and businesses seeking to maintain content originality and trust in an age of generative AI.
Undetectable AI is a content analysis suite built around two core tools: an AI detector that scans text and flags specific AI-generated sentences, and an AI Humanizer that rewrites those flagged sections with more varied sentence structure and vocabulary. The site also ships an AI image detector, plagiarism checker, paraphraser, essay writer, and an SEO content writer, plus a Chrome extension for using the tools directly in the browser.
- Free to use with a generous detection allowance
- 99% accuracy on popular AI models including ChatGPT and Gemini
- Built-in AI humanizer to make AI text undetectable
- Fast, actionable AI detection scores
- Combines detection and humanizing in one product instead of requiring separate tools
- Money-back guarantee if humanized output still gets flagged
- API access available for teams that want to integrate it into existing workflows
- Free trial lets users test quality before paying
- Limited to 5 uses on the free tier (as indicated)
- No mobile app mentioned
- Potential privacy concerns for submitted content
- Accuracy may vary across edge cases
- Free trial is capped at only 250 words
- Using tools to evade AI detectors raises academic and editorial integrity concerns depending on context
- Detailed plan pricing was not fully visible without visiting the live pricing page
More alternatives & similar tools
Alternatives to AI Detect
View all →
Detect AI text with your camera, file, paste, or website; then humanize it in seconds.
A free, high-accuracy AI content detector that reveals whether text was written by ChatGPT, Gemini, Claude, or a human.
Detects and rewrites AI-generated text so it reads as naturally human-written.
Alternatives to Undetectable AI
View all →Detect AI text with your camera, file, paste, or website; then humanize it in seconds.
The Verdict
AI-generated from listing dataUndetectable AI offers a freemium model with API access but a tiny free trial, while AI Detect provides a larger free tier but no clear pricing details; the choice hinges on trial size versus API integration needs.
Key differences
- •Free trial word limit: 250 words (A) vs 5 detection uses up to 750 words per check (B)
- •API availability: A provides API access; B does not mention API
- •Pricing transparency: A lists freemium with hidden plan details; B specifies free tier and paid plans but no exact prices
- •Supported AI model coverage: A’s coverage not detailed; B claims 99% accuracy on multiple named models
- •Additional tools: A includes image detection, paraphraser, SEO tools; B focuses on detection, humanizer, readability scores
Pricing & value
B offers a free tier with up to 5 uses and up to 750‑word checks; A’s free trial is limited to 250 words.
Ease of use / learning curve
B provides a simple UI with drag‑and‑drop file upload; A’s feature set is broader and may require more navigation.
Features & depth
A combines detection, humanizing, image detection, paraphraser, SEO tools, and API; B focuses on detection, humanizer, readability scores.
Integrations & ecosystem
A explicitly offers API access for integration; B makes no mention of API or other integrations.
Collaboration
Neither product mentions collaboration features; both appear aimed at individual users.
Scalability
A’s cloud SaaS with API suggests better scaling for teams; B’s usage limits are unclear beyond free tier.
Support & security
Neither product provides specific support or security details in the provided facts.
Choose AI Detect if…
Solo creators who want a larger free allowance and simple detection/humanizing without API needs.
Choose Undetectable AI if…
Teams needing API integration, broader toolset, and willing to pay after a tiny trial.
Common questions
What is the free usage limit for each tool?
A: 250 words free trial; B: 5 detections per free tier, up to 750 words per check.
Do either products offer API access?
A provides API access; B does not mention an API.
Which product covers more AI models for detection?
B claims 99% accuracy on several named models (ChatGPT, Gemini, Claude, LLaMa, Mistral); A’s model coverage is not specified.