Comparison

DetectAI vs Originality.ai: Free AI Detection for Everyone

Originality.ai is a powerful tool, but at $14.95/month with per-scan credits, it adds up fast. DetectAI gives you unlimited AI detection at zero cost.

Feature comparison

FeatureDetectAIOriginality.ai
PricingFree forever$14.95/month (Pay As You Go available)
Cost per scanFree1 credit per 100 words
Signup requiredNoYes (email + payment)
Free trialNot needed — always free3 free scans, then paid
Text privacy100% client-side, nothing sentText processed on servers
Plagiarism checkNot availableYes (included)
AI models detectedChatGPT, Claude, Gemini, etc.ChatGPT, Claude, Gemini, etc.
Detailed breakdown6-category pattern analysisSentence-level AI probability
Team managementNot availableYes (team seats)
SpeedInstant (in-browser)2–5 seconds (API)

When to choose DetectAI over Originality.ai

You don't want to pay per scan

Originality.ai charges credits for every 100 words scanned. If you check content regularly, costs add up quickly. DetectAI is always free.

You need a quick check, not a full audit

For a fast AI probability score on a blog post, email, or essay, DetectAI gives you instant results without committing to a subscription.

You care about text privacy

Originality.ai processes your text on their servers and stores scan history. DetectAI runs entirely in your browser — nothing is ever sent or stored.

You want to check without creating an account

Originality.ai requires signup and payment information. DetectAI works immediately — no email, no credit card, no barriers.

When Originality.ai might be a better fit

You also need plagiarism detection

Originality.ai bundles AI detection with plagiarism checking in a single scan. If you need both, their combined tool saves time.

You manage a content team

Originality.ai offers team seats, shared dashboards, and scan history — useful for agencies and editorial teams reviewing multiple writers.

You need an API for automation

Originality.ai provides an API for integrating AI detection into your own tools and workflows at scale.

The real cost of Originality.ai

Originality.ai's base plan starts at $14.95/month and includes 2,000 credits. Each scan costs 1 credit per 100 words. A typical 1,500-word blog post uses 15 credits.

Checking 10 articles/month (1,500 words each)150 credits
Checking 50 articles/month750 credits
Same volume on DetectAI$0

Try DetectAI right now

No credit card, no signup, no per-scan fees. Paste your text and get an instant AI detection score with a full breakdown.

Frequently asked questions

Is DetectAI really a free alternative to Originality.ai?

Yes. DetectAI is completely free with unlimited scans. There are no credits, no subscriptions, and no hidden fees. You can use it as much as you want.

How does DetectAI compare to Originality.ai in accuracy?

Originality.ai uses a server-side machine learning model trained on AI-generated text. DetectAI uses client-side heuristic analysis across 6 pattern categories. For everyday checks — blog posts, emails, essays — DetectAI gives you a reliable, fast signal. For high-stakes institutional use, Originality.ai offers more granular sentence-level analysis.

Does DetectAI offer plagiarism detection?

No. DetectAI focuses exclusively on AI content detection. If you also need plagiarism checking, you would need a separate tool for that.

What if my text is flagged as AI-written?

You can use WriteKit's AI Humanizer to rewrite flagged text so it reads naturally. It's free and works with any type of content.

Can I use DetectAI for my business or team?

Absolutely. Since DetectAI runs in the browser and requires no accounts, anyone on your team can use it individually. For centralized team management with shared dashboards, Originality.ai might be more suitable.