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Frequently asked questions, AI troubleshooting, how-to guides, expert quick answers, platform tips, and user onboarding for readers.

Google Gemini Models 2025: Your Guide to Choosing Between Pro, Flash, and Free

Google Gemini Models 2025: Your Guide to Choosing Between Pro, Flash, and Free

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

Dec 7, 2025

🎓 YouTube: Your Free AI University — 10 Channels That Beat Expensive Courses

🎓 YouTube: Your Free AI University — 10 Channels That Beat Expensive Courses

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.

Nov 3, 2025

LLM Limits Solved: Complete Guide to AI Workarounds 2025

LLM Limits Solved: Complete Guide to AI Workarounds 2025

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

Sep 28, 2025

How LLMs Think: Complete Guide to AI Memory & Logic 2025

How LLMs Think: Complete Guide to AI Memory & Logic 2025

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

Sep 27, 2025

ChatGPT Usage Stats: Complete Guide to AI Value 2025

ChatGPT Usage Stats: Complete Guide to AI Value 2025

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

Sep 25, 2025

AI Building Blocks: Complete Guide to ML, NLP, CV 2025

AI Building Blocks: Complete Guide to ML, NLP, CV 2025

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.

Sep 23, 2025

What Is AI? Complete Guide to Artificial Intelligence 2025

What Is AI? Complete Guide to Artificial Intelligence 2025

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

Sep 22, 2025

Building and Scaling Organizational AI Capabilities in 2025: Upskilling SMEs for Adaptive Cultures and Sustainable Growth

Building and Scaling Organizational AI Capabilities in 2025: Upskilling SMEs for Adaptive Cultures and Sustainable Growth

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.

Aug 28, 2025

How to Master Comet: Personalized How-To Guide, Top Features & Prompt Examples for 2025

How to Master Comet: Personalized How-To Guide, Top Features & Prompt Examples for 2025

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

Aug 7, 2025

5 Hidden ChatGPT Secrets That Will Supercharge Your Productivity In 2025

5 Hidden ChatGPT Secrets That Will Supercharge Your Productivity In 2025

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

Aug 2, 2025

Transform Your Business with 5-Minute Daily AI Insights | First AI Movers | Dr Hernani Costa

Transform Your Business with 5-Minute Daily AI Insights | First AI Movers | Dr Hernani Costa

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

Jul 22, 2025

GPT-4o: ChatGPT’s Multimodal Workhorse for Everyday Tasks

GPT-4o: ChatGPT’s Multimodal Workhorse for Everyday Tasks

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

Jun 23, 2025

GPT-4.5 vs GPT-4o: Which ChatGPT Model Should You Use?

GPT-4.5 vs GPT-4o: Which ChatGPT Model Should You Use?

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

Jun 23, 2025

OpenAI o3 – ChatGPT’s Advanced Reasoning Brain

OpenAI o3 – ChatGPT’s Advanced Reasoning Brain

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

Jun 23, 2025

What is o3‐pro and Why Use It for Tough Problems?

What is o3‐pro and Why Use It for Tough Problems?

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

Jun 23, 2025

GPT-4 “Mini” vs “Mini-High” – Which Model for Coding and Technical Tasks?

GPT-4 “Mini” vs “Mini-High” – Which Model for Coding and Technical Tasks?

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

Jun 23, 2025

How Can I Access These ChatGPT Models? (Plus vs Pro Plans)

How Can I Access These ChatGPT Models? (Plus vs Pro Plans)

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

Jun 23, 2025

GPT-4 vs. GPT-3.5 – Which OpenAI Model Should You Use?

GPT-4 vs. GPT-3.5 – Which OpenAI Model Should You Use?

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

Jun 23, 2025

What Are ChatGPT Projects?

What Are ChatGPT Projects?

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

Jun 23, 2025

How Do I Set Up and Use a ChatGPT Project?

How Do I Set Up and Use a ChatGPT Project?

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

Jun 23, 2025

How Can I Upload Files or Attachments for ChatGPT to Analyze?

How Can I Upload Files or Attachments for ChatGPT to Analyze?

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

Jun 23, 2025

What File Types and Sizes Does ChatGPT Support for Attachments?

What File Types and Sizes Does ChatGPT Support for Attachments?

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

Jun 23, 2025

Choosing the Right AI Model in Perplexity

Choosing the Right AI Model in Perplexity

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

Jun 18, 2025

Asking Questions by Voice (Dictation) in Perplexity

Asking Questions by Voice (Dictation) in Perplexity

Using speech input to converse with Perplexity hands-free

Jun 18, 2025

Engaging with Perplexity’s Voice Mode

Engaging with Perplexity’s Voice Mode

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

Jun 18, 2025

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About the Author

Hi, I’m Dr. Hernani Costa, founder of First AI Movers. With a PhD and over 25 years of hands-on experience in technology, AI consulting, and Venture Building. I help leaders and founders create real business value through practical and ethical AI solutions. If you want to know more about what’s possible, visit Core Ventures. Don’t forget to follow us on LinkedIn. To partner with us: [email protected].

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