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Guides, updates, use cases, and creative tips for building, prompting, and mastering OpenAI applications in productivity and business, e.g., ChatGPT..

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AutomationsAutomations
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ChatGPT's Secret Edge: 6 Power Features & Pro Hacks to Transform Your Workflow in 2025
Jul 23, 2025

ChatGPT's Secret Edge: 6 Power Features & Pro Hacks to Transform Your Workflow in 2025

Unlock next-level productivity with hidden settings, smarter automation, and custom prompts

Dr. Hernani Costa
Dr. Hernani Costa
AutomationsAutomations
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Top 5 ChatGPT Agent Hacks Businesses Should Know in 2025
Jul 22, 2025

Top 5 ChatGPT Agent Hacks Businesses Should Know in 2025

Unlocking productivity and real workflows with OpenAI’s new ChatGPT Agent (busy executives and professionals)

Dr. Hernani Costa
Dr. Hernani Costa
OpenAIOpenAI
OpenAI + Shopify: ChatGPT’s Quiet E‐Commerce Expansion
Jul 19, 2025

OpenAI + Shopify: ChatGPT’s Quiet E‐Commerce Expansion

How OpenAI’s ChatGPT-Shopify Integration Is Reshaping E-Commerce, Product Discovery, and the Future of AI-Driven Shopping Search

Dr. Hernani Costa
Dr. Hernani Costa
OpenAIOpenAI
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GPT-4.5 vs GPT-4o: Which ChatGPT Model Should You Use? (Project Manager’s Edition)
Jul 09, 2025

GPT-4.5 vs GPT-4o: Which ChatGPT Model Should You Use? (Project Manager’s Edition)

GPT-4.5 (“Research Preview”) vs GPT-4o – each model has its strengths; choose based on your task and needs.

Dr. Hernani Costa
Dr. Hernani Costa
OpenAIOpenAI
Why Context Windows Matter – Unlocking AI’s Long-Memory Power
Jul 08, 2025

Why Context Windows Matter – Unlocking AI’s Long-Memory Power

A quick guide to token limits, when bigger is better, and what to watch as models race past one million tokens.

Dr. Hernani Costa
Dr. Hernani Costa
GoogleGoogle
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Understanding Token Limits, Pricing, and When to Use Large Context Models
Jun 30, 2025

Understanding Token Limits, Pricing, and When to Use Large Context Models

Master AI token limits, pricing models, and when to use large context windows vs standard models. Complete guide to optimizing LLM costs and performance.

Dr. Hernani Costa
Dr. Hernani Costa
AI NewsAI News
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Altman Unplugged—GPT-5, $100 M Talent Wars & PhD-Level AI
Jun 26, 2025

Altman Unplugged—GPT-5, $100 M Talent Wars & PhD-Level AI

OpenAI’s CEO says GPT-5 lands this summer, Meta is dangling nine-figure offers, and AI now rivals PhDs—here’s what it means for builders, plus 3 stealth updates to ship this week.

Dr. Hernani Costa
Dr. Hernani Costa
AI ToolsAI Tools
+2+2
OpenAI o3-pro: Advanced AI Reasoning Model 2025
Jun 23, 2025

OpenAI o3-pro: Advanced AI Reasoning Model 2025

Discover OpenAI's most capable o3-pro model with enhanced reasoning, tool integration, and benchmark performance for coding, math, and science tasks.

Dr. Hernani Costa
Dr. Hernani Costa
OpenAIOpenAI
+2+2
GPT-4o: ChatGPT’s Multimodal Workhorse for Everyday Tasks
Jun 23, 2025

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

Dr. Hernani Costa
Dr. Hernani Costa
OpenAIOpenAI
+2+2
GPT-4.5 vs GPT-4o: Which ChatGPT Model Should You Use?
Jun 23, 2025

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

Dr. Hernani Costa
Dr. Hernani Costa
OpenAIOpenAI
+2+2
OpenAI o3 – ChatGPT’s Advanced Reasoning Brain
Jun 23, 2025

OpenAI o3 – ChatGPT’s Advanced Reasoning Brain

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

Dr. Hernani Costa
Dr. Hernani Costa
OpenAIOpenAI
+2+2
What is o3‐pro and Why Use It for Tough Problems?
Jun 23, 2025

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

Dr. Hernani Costa
Dr. Hernani Costa
Your 5-Minute AI Edge, Delivered Before Your First Meeting. Dr. Hernani Costa curates critical AI developments in policy and technology, delivered daily at 6 a.m.

First AI Movers

Your 5-Minute AI Edge, Delivered Before Your First Meeting. Dr. Hernani Costa curates critical AI developments in policy and technology, delivered daily at 6 a.m.

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