We've curated 45 of the best alternatives to Free AI Detector by ContentAtScale, ranked by feature overlap, topic similarity, user ratings, and popularity. Copyleaks - Plagiarism detector, Originality, and Plagium AI Detector lead the list as the closest matches.
Updated May 18, 2026
The list includes 11 free alternatives, 12 freemium, 15 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. Free AI Detector by ContentAtScale itself is paid, which makes paid alternatives the most natural starting point.
Many of these tools cluster around use cases like Text Analysis, Ai Detection, Content Verification, and Api — the same problem spaces Free AI Detector by ContentAtScale 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 Free AI Detector by ContentAtScale.
Ranked by compatibility score
Ai Content Detection
Instantly detect plagiarism and AI-generated content.
Like Free AI Detector by ContentAtScale, Copyleaks - Plagiarism detector is in the Ai Content Detection category. Both are paid. Worth comparing on the detail page.
Ai Content Detection
11 free and 12 freemium options.
15 paid options.
21 additional candidates
Like Free AI Detector by ContentAtScale, ZeroGPT - Free ChatGPT Detector is in the Ai Content Detection category. ZeroGPT - Free ChatGPT Detector is free, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Like Free AI Detector by ContentAtScale, WriteHuman: AI Detector is in the Ai Content Detection category. WriteHuman: AI Detector is freemium, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Copyleaks - Plagiarism detector ranks as the highest-scoring alternative to Free AI Detector by ContentAtScale, based on shared category, topic overlap, feature similarity, and user ratings. Ratings are still being collected for this tool.
Yes — 11 fully free and 12 freemium alternatives are available, including GPTZero, GPTKit, and Winston AI.
Copyleaks - Plagiarism detector is similarly priced (paid) 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 Copyleaks - Plagiarism detector, Originality, Plagium AI Detector, and AI Copy Scanner. These tools share the same primary category and have meaningful topic overlap with Free AI Detector by ContentAtScale.
Checked content's originality & plagiarism.
Like Free AI Detector by ContentAtScale, Originality is in the Ai Content Detection category. Both are paid. Worth comparing on the detail page.
Ai Content Detection
Detect plagiarism and AI-generated content quickly.
Like Free AI Detector by ContentAtScale, Plagium AI Detector is in the Ai Content Detection category. Both are paid. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with high accuracy.
Like Free AI Detector by ContentAtScale, AI Copy Scanner is in the Ai Content Detection category. Both are paid. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content in 30 languages
Like Free AI Detector by ContentAtScale, Copyleaks - AI content detector is in the Ai Content Detection category. Both are paid. Worth comparing on the detail page.
Ai Content Detection
Best AI detector and undetectable AI rewriter.
Like Free AI Detector by ContentAtScale, AI Undetect is in the Ai Content Detection category. Both are paid. Worth comparing on the detail page.
Ai Content Detection
Spot AI-generated text in seconds.
Like Free AI Detector by ContentAtScale, AI Content Detector by Leap is in the Ai Content Detection category. Both are paid. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with precision
Like Free AI Detector by ContentAtScale, AI Detect is in the Ai Content Detection category. Both are paid. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated text in a click.
Like Free AI Detector by ContentAtScale, GPT Radar is in the Ai Content Detection category. Both are paid. Worth comparing on the detail page.
Ai Content Detection
Bypass AI detectors with undetectable AI writing
Like Free AI Detector by ContentAtScale, AI Undetect is in the Ai Content Detection category. Both are paid. Worth comparing on the detail page.
Ai Content Detection
Unmask AI-generated tweets instantly
Like Free AI Detector by ContentAtScale, TweetDetective is in the Ai Content Detection category. Both are paid. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with accuracy
Like Free AI Detector by ContentAtScale, GPTZero is in the Ai Content Detection category. GPTZero is freemium, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated text with high accuracy
Like Free AI Detector by ContentAtScale, GPTKit is in the Ai Content Detection category. GPTKit is freemium, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Ai Content Detection
Instantly detect AI-generated content.
Like Free AI Detector by ContentAtScale, Winston AI is in the Ai Content Detection category. Winston AI is freemium, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Ai Content Detection
Polishing text accuracy with AI.
Like Free AI Detector by ContentAtScale, AI Detector is in the Ai Content Detection category. AI Detector is freemium, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated text with high accuracy.
Like Free AI Detector by ContentAtScale, ZeroGPT is in the Ai Content Detection category. ZeroGPT is freemium, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Ai Content Detection
Check if any text is AI-generated with AI Text Detector.
Like Free AI Detector by ContentAtScale, AI Text Detector is in the Ai Content Detection category. AI Text Detector is freemium, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated images to protect authenticity.
Like Free AI Detector by ContentAtScale, Nuanced is in the Ai Content Detection category. Nuanced is free-trial, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Ai Content Detection
Spot AI-generated content as you browse.
Like Free AI Detector by ContentAtScale, Detect GPT is in the Ai Content Detection category. Detect GPT is free, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated text with precision
Like Free AI Detector by ContentAtScale, ZeroGPT.CC is in the Ai Content Detection category. ZeroGPT.CC is free, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with precision.
Like Free AI Detector by ContentAtScale, Detecting-AI.com is in the Ai Content Detection category. Detecting-AI.com is freemium, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Ai Content Detection
Unmask AI-generated content with precision
Like Free AI Detector by ContentAtScale, AI Checker Tool is in the Ai Content Detection category. AI Checker Tool is free, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Ai Content Detection
Free AI content detector for ChatGPT, GPT-3, and more.
Like Free AI Detector by ContentAtScale, AI Checker is in the Ai Content Detection category. AI Checker is free, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
Ai Content Detection
Detect AI-generated content with ease and accuracy.
Like Free AI Detector by ContentAtScale, GPTZero.cc is in the Ai Content Detection category. GPTZero.cc is free, while Free AI Detector by ContentAtScale is paid. Worth comparing on the detail page.
17 more free/freemium alternatives listed below. Browse all Free AI Detector by ContentAtScale alternatives ↓
23 free or freemium alternatives to Free AI Detector by ContentAtScale on /tools/free-ai-detector-by-contentatscale/alternatives.
9 more paid alternatives listed below. Browse all Free AI Detector by ContentAtScale alternatives ↓
15 paid alternatives to Free AI Detector by ContentAtScale on /tools/free-ai-detector-by-contentatscale/alternatives.
Neither Free AI Detector by ContentAtScale nor Copyleaks - Plagiarism detector has user ratings yet — be the first to review either tool to help future visitors compare them.
