ZeroGPT - Free ChatGPT Detector
Ai Content Detection
Unmask AI-generated content with precision.
Like Detect GPT, ZeroGPT - Free ChatGPT Detector 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 Detect GPT, ranked by feature overlap, topic similarity, user ratings, and popularity. ZeroGPT - Free ChatGPT Detector, X Detector, 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. Detect GPT itself is free, which makes free alternatives the most natural starting point.
Many of these tools cluster around use cases like Text Analysis, Ai Detection, Content Verification, and Free — the same problem spaces Detect GPT 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 Detect GPT.
Ranked by compatibility score
Ai Content Detection
Unmask AI-generated content with precision.
Like Detect GPT, ZeroGPT - Free ChatGPT Detector is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content in 20+ languages
13 free and 12 freemium options.
12 paid options.
20 additional candidates
Like Detect GPT, Plagium AI Detector is in the Ai Content Detection category. Plagium AI Detector is paid, while Detect GPT is free. Worth comparing on the detail page.
Like Detect GPT, AI Copy Scanner is in the Ai Content Detection category. AI Copy Scanner is paid, while Detect GPT is free. Worth comparing on the detail page.
ZeroGPT - Free ChatGPT Detector ranks as the highest-scoring alternative to Detect GPT, 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 ZeroGPT - Free ChatGPT Detector, X Detector, and ZeroGPT.CC.
ZeroGPT - Free ChatGPT Detector 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 ZeroGPT - Free ChatGPT Detector, X Detector, ZeroGPT.CC, and Decopy. These tools share the same primary category and have meaningful topic overlap with Detect GPT.
Like Detect GPT, X Detector 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 Detect GPT, ZeroGPT.CC 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 Detect GPT, Decopy 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
Like Detect GPT, AI Detector Online 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 Detect GPT, AI Checker Tool 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 Detect GPT, 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 Detect GPT, 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 Detect GPT, 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 Detect GPT, Free AI Detector is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
Discover WriteHuman's AI Detector: distinguishing between AI-generated and human-written text.
Like Detect GPT, WriteHuman: AI Detector is in the Ai Content Detection category. WriteHuman: AI Detector is freemium, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with precision
Like Detect GPT, AI Detect is in the Ai Content Detection category. AI Detect is paid, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Instantly detect plagiarism and AI-generated content.
Like Detect GPT, Copyleaks - Plagiarism detector is in the Ai Content Detection category. Copyleaks - Plagiarism detector is paid, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated text with advanced algorithms
Like Detect GPT, Crossplag is in the Ai Content Detection category. Crossplag is freemium, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated text with high accuracy
Like Detect GPT, GPTKit is in the Ai Content Detection category. GPTKit is freemium, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Instantly detect AI-generated content.
Like Detect GPT, Winston AI is in the Ai Content Detection category. Winston AI is freemium, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content in 30 languages
Like Detect GPT, Copyleaks - AI content detector is in the Ai Content Detection category. Copyleaks - AI content detector is paid, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with precision.
Like Detect GPT, Detecting-AI.com is in the Ai Content Detection category. Detecting-AI.com is freemium, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Polishing text accuracy with AI.
Like Detect GPT, AI Detector is in the Ai Content Detection category. AI Detector is freemium, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Unmask AI-generated tweets instantly
Like Detect GPT, TweetDetective is in the Ai Content Detection category. TweetDetective is paid, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Spot AI-generated text in seconds.
Like Detect GPT, AI Content Detector by Leap is in the Ai Content Detection category. AI Content Detector by Leap is paid, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated images to protect authenticity.
Like Detect GPT, Nuanced is in the Ai Content Detection category. Nuanced is free-trial, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with free online tool
Like Detect GPT, Free AI Detector by ContentAtScale is in the Ai Content Detection category. Free AI Detector by ContentAtScale is paid, while Detect GPT is free. Worth comparing on the detail page.
Ai Content Detection
Checked content's originality & plagiarism.
Like Detect GPT, Originality is in the Ai Content Detection category. Originality is paid, while Detect GPT is free. Worth comparing on the detail page.
19 more free/freemium alternatives listed below. Browse all Detect GPT alternatives ↓
25 free or freemium alternatives to Detect GPT on /tools/detect-gpt/alternatives.
6 more paid alternatives listed below. Browse all Detect GPT alternatives ↓
12 paid alternatives to Detect GPT on /tools/detect-gpt/alternatives.
Like Detect GPT, AI Undetect is in the Ai Content Detection category. AI Undetect is paid, while Detect GPT is free. Worth comparing on the detail page.
Neither Detect GPT nor ZeroGPT - Free ChatGPT Detector has user ratings yet — be the first to review either tool to help future visitors compare them.
