Question 1

How accurate is the AI detector?

Accepted Answer

Plagly.ai achieves up to 99% accuracy in detecting AI-generated content with a false positive rate below 1%. Our advanced algorithms use multiple neural networks and statistical models, and are continuously updated to maintain high accuracy rates across all major AI models.

Question 2

Which AI models can Plagly.ai detect?

Accepted Answer

Plagly.ai detects content from 15+ AI models including ChatGPT, GPT-5.4, GPT-5, Claude Opus 4.6, Claude Sonnet 4.6, Gemini 3.1, Llama 4, Grok 3, Mistral, DeepSeek, Microsoft Copilot, BERT, and RoBERTa. Our cross-model training ensures reliable detection across all major AI systems.

Question 3

Is the AI detector free to use?

Accepted Answer

Yes, Plagly.ai offers free AI content detection with 5,000 words per month on the free plan. No credit card is required. For higher volume needs, paid plans start with the Basic plan at 50,000 words per month and the Pro plan at 200,000 words per month.

Question 4

How does AI detection work?

Accepted Answer

Plagly.ai uses probability analysis, semantic consistency checks, and graph-based models to detect AI-generated content. It analyzes word choice predictability, sequence patterns, sentence structure, and relationships between words and sentences to identify machine-like patterns that distinguish AI writing from human writing.

Question 5

Can it detect ChatGPT content?

Accepted Answer

Yes, Plagly.ai is specifically trained to detect content generated by ChatGPT and all GPT models, including GPT-5.4 and GPT-5. Our detection algorithms analyze linguistic patterns, statistical markers, and structural elements unique to ChatGPT outputs, providing sentence-level analysis results.

Question 6

Does the AI detector work with non-English text?

Accepted Answer

Yes, Plagly.ai supports AI detection in multiple languages. The platform is available in 15+ languages including English, Spanish, French, Portuguese, Chinese, Japanese, Russian, Italian, Korean, Arabic, Hindi, Turkish, Dutch, Polish, and Indonesian.

AI sisu detektor