ChatGPT (Chat Generative Pre-trained Transformer) is a chatbot developed by OpenAI
Natural Language Processing (NLP) and conversation generation.
Trained on diverse internet text up until January 2022.
Capabilities:
Understanding and generating human-like text.
Answering questions, providing information, and engaging in conversations.
Contextual comprehension and generating contextually relevant responses.
Language translation and summarization.
Limitations:
May generate incorrect or nonsensical answers.
Sensitive to input phrasing; slight rephrasing may yield different results.
Limited understanding of context beyond a certain window.
Can exhibit biased behavior based on training data.
Free and paid (20$/month) versions
Perplexity.ai is a conversational search engine that answers queries using natural language predictive text, utilizing sources from the web.
Users can ask questions directly and receive precise answers supported by a curated set of sources
Some key advantages include:
Content Generation: Perplexity AI excels in generating high-quality, SEO-optimized content like articles and blog post
Accurate Information: Leveraging advanced models, Perplexity AI ensures factual correctness in its generated content, providing accurate and up-to-date information
Citation of Sources: It uniquely provides numbered references and citations for the sources it uses, allowing users to validate information
User-Friendly Interface: With a chatbot-style structure, interacting with Perplexity AI in natural language is intuitive and easy
Versatility: It caters to students, researchers, and content creators by generating academic publications and dissertations
Ease of Use: Designed to be user-friendly, Perplexity AI requires no technical expertise to provide accurate answers and information
Free and paid (20$/month) version
When answering a question, ChatPDF finds the most relevant paragraphs from the PDF and uses the ChatGPT API from OpenAI to generate an answer