Checkfor identifies distinctive signals in text, indicating likely generation by common LLMs like ChatGPT, Bard, and Llama.
It is powered by an ML model trained on an extensive dataset of both human and machine-generated text. It employs an active learning approach for continuous model improvement without human intervention.
It can scan vast data sets and oversample text from key domains with prevalent AI-generated content with an accuracy of 93%
The detector understands the context of entire documents, avoiding the pitfalls of classifying individual sentences out of context. It has limitations as it cannot detect factual responses, AI-generated code, or AI enhancements to human writing.
Is Checkfor free? Yes, it offers a free tier with 100 lifetime requests, a 1000-word limit per request.
Checkfor Pricing: A “Premium tier” at $20 per month, providing unlimited lifetime requests, the first 500 monthly requests free, a $0.05 fee per request over 500, and a 4000-word limit per request.
