Detect GPT
Ai Content Detection
Spot AI-generated content as you browse.
Like X Detector, Detect GPT is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
We've curated 44 of the best alternatives to X Detector, ranked by feature overlap, topic similarity, user ratings, and popularity. Detect GPT, AI Detector Online, and ZeroGPT.CC lead the list as the closest matches.
Updated May 18, 2026
The list includes 13 free alternatives, 12 freemium, 12 paid, and 7 with a free trial, so whether you're looking for a no-cost replacement or a more capable paid tier, there's an option to compare. X Detector itself is free, which makes free alternatives the most natural starting point.
Many of these tools cluster around use cases like Text Analysis, Content Verification, Ai Detection, and Free — the same problem spaces X Detector addresses. Cross-referencing tools that overlap on multiple topics gives a more reliable signal than category alone, because two products in the same category can still serve very different workflows.
Our ranking weighs eight signals: shared category, topic overlap, feature overlap, name and description text similarity (via PostgreSQL's pg_trgm and tsvector), Bayesian-smoothed user ratings, pricing-model match, popularity, and editorial overrides. Scores are then normalized within each tool's own candidate pool so the top match always represents the strongest available alternative.
Use the table of contents below to jump to free or paid alternatives, or scroll down to compare each option side-by-side with X Detector.
Ranked by compatibility score
Ai Content Detection
Spot AI-generated content as you browse.
Like X Detector, Detect GPT is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
Spot AI-generated content with our free detection tools
13 free and 12 freemium options.
12 paid options.
20 additional candidates
Like X Detector, Plagium AI Detector is in the Ai Content Detection category. Plagium AI Detector is paid, while X Detector is free. Worth comparing on the detail page.
Like X Detector, AI Copy Scanner is in the Ai Content Detection category. AI Copy Scanner is paid, while X Detector is free. Worth comparing on the detail page.
Detect GPT ranks as the highest-scoring alternative to X Detector, based on shared category, topic overlap, feature similarity, and user ratings. Ratings are still being collected for this tool.
Yes — 13 fully free and 12 freemium alternatives are available, including Detect GPT, AI Detector Online, and ZeroGPT.CC.
Detect GPT is similarly priced (free) and sits in the same category (Ai Content Detection). View its detail page to compare features, integrations, and reviews side-by-side.
Top Ai Content Detection alternatives include Detect GPT, AI Detector Online, ZeroGPT.CC, and AI Checker Tool. These tools share the same primary category and have meaningful topic overlap with X Detector.
Like X Detector, AI Detector Online is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated text with precision
Like X Detector, ZeroGPT.CC is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
Unmask AI-generated content with precision
Like X Detector, AI Checker Tool is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
Unmask AI-generated content with precision.
Like X Detector, ZeroGPT - Free ChatGPT Detector is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
Spot AI-generated text with precision.
Like X Detector, Decopy is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
Free AI content detector for ChatGPT, GPT-3, and more.
Like X Detector, AI Checker is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with ease and accuracy.
Like X Detector, GPTZero.cc is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with precision
Like X Detector, AI Detector Write is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
A free AI content detector with analysis
Like X Detector, Free AI Detector is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
Instantly detect AI-generated content.
Like X Detector, Winston AI is in the Ai Content Detection category. Winston AI is freemium, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Discover WriteHuman's AI Detector: distinguishing between AI-generated and human-written text.
Like X Detector, WriteHuman: AI Detector is in the Ai Content Detection category. WriteHuman: AI Detector is freemium, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with precision
Like X Detector, AI Detect is in the Ai Content Detection category. AI Detect is paid, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Instantly detect plagiarism and AI-generated content.
Like X Detector, Copyleaks - Plagiarism detector is in the Ai Content Detection category. Copyleaks - Plagiarism detector is paid, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated text with advanced algorithms
Like X Detector, Crossplag is in the Ai Content Detection category. Crossplag is freemium, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated text with high accuracy
Like X Detector, GPTKit is in the Ai Content Detection category. GPTKit is freemium, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content in 30 languages
Like X Detector, Copyleaks - AI content detector is in the Ai Content Detection category. Copyleaks - AI content detector is paid, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with precision.
Like X Detector, Detecting-AI.com is in the Ai Content Detection category. Detecting-AI.com is freemium, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Polishing text accuracy with AI.
Like X Detector, AI Detector is in the Ai Content Detection category. AI Detector is freemium, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Spot AI-generated text in seconds.
Like X Detector, AI Content Detector by Leap is in the Ai Content Detection category. AI Content Detector by Leap is paid, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated images to protect authenticity.
Like X Detector, Nuanced is in the Ai Content Detection category. Nuanced is free-trial, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with free online tool
Like X Detector, Free AI Detector by ContentAtScale is in the Ai Content Detection category. Free AI Detector by ContentAtScale is paid, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with accuracy
Like X Detector, GPTZero is in the Ai Content Detection category. GPTZero is freemium, while X Detector is free. Worth comparing on the detail page.
Ai Content Detection
Checked content's originality & plagiarism.
Like X Detector, Originality is in the Ai Content Detection category. Originality is paid, while X Detector is free. Worth comparing on the detail page.
19 more free/freemium alternatives listed below. Browse all X Detector alternatives ↓
25 free or freemium alternatives to X Detector on /tools/x-detector/alternatives.
6 more paid alternatives listed below. Browse all X Detector alternatives ↓
12 paid alternatives to X Detector on /tools/x-detector/alternatives.
Like X Detector, AI Undetect is in the Ai Content Detection category. AI Undetect is paid, while X Detector is free. Worth comparing on the detail page.
Neither X Detector nor Detect GPT has user ratings yet — be the first to review either tool to help future visitors compare them.
