FAQ

Understanding Gemini 3, Deep Think mode, and whether Advanced is worth $20 monthly

Follow a structured watch‐and‐apply plan to master AI in 90 days. Learn with top channels, avoid hype, and ship real outcomes. Start today.

Master LLM limitations in minutes for enterprise success. Learn RAG, API integration, and memory solutions. Transform flawed tech into assets.

Master LLM mechanics in minutes for strategic advantage. Understand context windows, training data, and hallucinations. Build smarter AI systems.

Discover why what you ask AI matters more than usage data. Learn to use AI as mentor, not megaphone. Transform your approach in minutes.

Master AI fundamentals in minutes for strategic advantage. Learn how ML, NLP, and Computer Vision work together. Build winning AI strategy and become a First AI Mover.

Discover AI's 70-year history beyond today's hype. Learn core principles that separate trends from foundational tech. Become a first mover.

A practical, step-by-step framework for SME leaders to master AI adoption, build adaptive cultures, and achieve sustainable growth — real data, future trends, and expert pitfalls to avoid.

Unlock your browser’s potential with Perplexity’s Comet: the smartest way to work, browse, and automate—tailored just for you!

Unlock the Most Powerful, Little-Known ChatGPT Features to Automate Work, Master Research, and Boost Productivity With AI in 2025

AI newsletter and curated strategies for growth-driven Small and Medium-sized Business Executives, Founders, Decision-makers, and Innovators—by Dr. Hernani Costa.

Great for most routine tasks and fully multimodal – what GPT-4o is and when to use it

Creative wordsmith or speedy multitasker – choosing between GPT-4.5 (Research Preview) and GPT-4o for your needs

Complex multi-step reasoning made easier – what OpenAI o3 is and when to choose this model

ChatGPT’s best-at-reasoning model – o3-pro delivers ultra-reliable answers when accuracy matters most

Fast fixes or in-depth solutions – understanding OpenAI’s o4-mini and o4-mini-high models for programmers and problem-solvers

GPT-4.5, o3, and more – what each ChatGPT subscription tier offers and how to get the model you need

Comparing ChatGPT’s GPT-4 and GPT-3.5 models to help you balance intelligence, speed, and cost

Organize your chats, files, and workflows with OpenAI’s new “Projects” feature in ChatGPT

Step-by-step: Creating a new Project in ChatGPT and customizing it with files and instructions

Using ChatGPT’s attachments to have the AI read PDFs, images, spreadsheets, and more

Understanding ChatGPT’s attachment limits – supported formats, file size caps, and tips for smooth file analysis

Selecting the best language model (GPT-4, Claude, etc.) for your needs in Perplexity

Using speech input to converse with Perplexity hands-free

A hands-free Q&A experience – hearing answers aloud in real time