| What it does | Evidence laid out, not a lone percentage.
| Free AI detector for ChatGPT, GPT-6, Claude and Gemini that scores text and highlights likely AI-generated sentences
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Free
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| Pricing | Free plan: 4 welcome credits (1 full report). Pro: $19/month for 300 credits/month. Team: $59/month for 1500 credits/month. Each report costs 4 credits.
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| Key features | - Cross-checks four independent detection models
- Deterministic evidence trump card (C2PA credentials, generator self-tags)
- Published weighted-vote rule (30% each for Sightengine, Winston AI, Was It AI; 10% for SAFE)
- Batch screening of up to 50 images at once
- Graded conclusions with disagreement reported
- Shareable report links and forensic PDF download
- Support for JPEG, PNG, WebP up to 12MB
- Generator-specific classification (Midjourney, DALL-E, Stable Diffusion, Flux, Imagen, Adobe Firefly, Ideogram)
- SHA-256 file hash recording for chain-of-custody
- Private uploads, shared only via report link
| - Sentence-level highlighting of AI-like text
- Paste text or upload files (.txt, .docx, .pdf)
- Detects patterns from ChatGPT, GPT-6, Claude, and Gemini
- No sign-up or account required
- Private text processing
- Minimum 50 words required for checking
- Identifies repetitive vocabulary and generic wording patterns
- Works in browser without installation
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| What makes it different | - Published weighted-vote rule with every vote shown by name instead of hidden percentages
- Reports disagreement honestly instead of blending signals into one number
- Automatic credit refund when an engine fails
- Full product access in free tier (not a limited teaser)
- Deterministic file evidence (C2PA, metadata) that outranks model votes
| - Sentence-level highlighting shows exactly which parts appear AI-generated, not just a percentage
- Detects multiple AI models including ChatGPT, Claude, and Gemini
- Optimized for ChatGPT and newer GPT-6 style text
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 41 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 13 | 0 |
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| Citation Flow (Majestic) | 27 | 0 |
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| Referring domains (Majestic) | 102 | 0 |
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AI Image Detector
ChatZero