Detect GPT
Ai Content Detection
Spot AI-generated content as you browse.
Like Decopy, 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 Decopy, ranked by feature overlap, topic similarity, user ratings, and popularity. Detect GPT, 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. Decopy 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 Decopy 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 Decopy.
Ranked by compatibility score
Ai Content Detection
Spot AI-generated content as you browse.
Like Decopy, Detect GPT 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
Like Decopy, X Detector is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
13 free and 12 freemium options.
12 paid options.
20 additional candidates
Like Decopy, AI Content Detector is in the Ai Content Detection category. AI Content Detector is free-trial, while Decopy is free. Worth comparing on the detail page.
Like Decopy, AI Undetect is in the Ai Content Detection category. AI Undetect is paid, while Decopy is free. Worth comparing on the detail page.
Detect GPT ranks as the highest-scoring alternative to Decopy, 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, X Detector, 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, X Detector, ZeroGPT.CC, and AI Checker Tool. These tools share the same primary category and have meaningful topic overlap with Decopy.
Ai Content Detection
Detect AI-generated text with precision
Like Decopy, 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 Decopy, 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 Decopy, 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 Decopy, GPTZero.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 Decopy, 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 with precision
Like Decopy, AI Detector Write 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 Decopy, AI Detector Online 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 Decopy, Free AI Detector is in the Ai Content Detection category. Both are free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with high accuracy.
Like Decopy, AI Copy Scanner is in the Ai Content Detection category. AI Copy Scanner is paid, while Decopy is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated text with advanced algorithms
Like Decopy, Crossplag is in the Ai Content Detection category. Crossplag is freemium, while Decopy is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated text with high accuracy
Like Decopy, GPTKit is in the Ai Content Detection category. GPTKit is freemium, while Decopy is free. Worth comparing on the detail page.
Ai Content Detection
Spot AI-generated text in seconds.
Like Decopy, AI Content Detector by Leap is in the Ai Content Detection category. AI Content Detector by Leap is paid, while Decopy 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 Decopy, WriteHuman: AI Detector is in the Ai Content Detection category. WriteHuman: AI Detector is freemium, while Decopy is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with precision
Like Decopy, AI Detect is in the Ai Content Detection category. AI Detect is paid, while Decopy is free. Worth comparing on the detail page.
Ai Content Detection
Instantly detect plagiarism and AI-generated content.
Like Decopy, Copyleaks - Plagiarism detector is in the Ai Content Detection category. Copyleaks - Plagiarism detector is paid, while Decopy is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated text in a click.
Like Decopy, GPT Radar is in the Ai Content Detection category. GPT Radar is paid, while Decopy is free. Worth comparing on the detail page.
Ai Content Detection
Instantly detect AI-generated content.
Like Decopy, Winston AI is in the Ai Content Detection category. Winston AI is freemium, while Decopy is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content in 30 languages
Like Decopy, Copyleaks - AI content detector is in the Ai Content Detection category. Copyleaks - AI content detector is paid, while Decopy is free. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with precision.
Like Decopy, Detecting-AI.com is in the Ai Content Detection category. Detecting-AI.com is freemium, while Decopy is free. Worth comparing on the detail page.
Ai Content Detection
Polishing text accuracy with AI.
Like Decopy, AI Detector is in the Ai Content Detection category. AI Detector is freemium, while Decopy is free. Worth comparing on the detail page.
Ai Content Detection
Detect plagiarism and AI-generated content quickly.
Like Decopy, Plagium AI Detector is in the Ai Content Detection category. Plagium AI Detector is paid, while Decopy is free. Worth comparing on the detail page.
Ai Content Detection
Check AI content instantly for faster publishing.
Like Decopy, Siteefy content checker is in the Ai Content Detection category. Siteefy content checker is free-trial, while Decopy is free. Worth comparing on the detail page.
19 more free/freemium alternatives listed below. Browse all Decopy alternatives ↓
25 free or freemium alternatives to Decopy on /tools/decopy/alternatives.
6 more paid alternatives listed below. Browse all Decopy alternatives ↓
12 paid alternatives to Decopy on /tools/decopy/alternatives.
Like Decopy, ZeroGPT is in the Ai Content Detection category. ZeroGPT is freemium, while Decopy is free. Worth comparing on the detail page.
Neither Decopy nor Detect GPT has user ratings yet — be the first to review either tool to help future visitors compare them.