Marcelo Felix Salgado

A technology professional holding a degree in Computer Science and an MBA in Project Management. He has over 26 years of experience in the technology sector, working on software development projects for major companies in the financial and retail industries. He is the creator and writer of *AI Course Radar*, a blog dedicated to reviewing articles and courses on Artificial Intelligence.

Critical Risk in GPT-6 Astra: Understanding OpenAI’s Warnings

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Close-up of a dark screen showing neon-green programming code fragmenting into red, with a broken digital padlock icon in the center, symbolizing the critical cybersecurity risk posed by GPT-6 Astra.

Critical Risk in GPT-6 Astra: Understanding OpenAI’s Warnings The advent of cutting-edge language models has brought an unprecedented leap in computational power and, simultaneously, new frontiers of vulnerability. Recently, technical reports and warnings from OpenAI itself have raised a red flag in the international technology community: the GPT-6 Astra, the company’s new ecosystem, has reached … Read more

Discover how AI is changing your job today

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Impact of AI on the labor market in 2026

Discover how AI is changing your job today ⏱️ Reading time: 3 minutes The speed at which Artificial Intelligence (AI) is invading our daily routine raises an inevitable question: is my job at risk? Although alarmist predictions dominate conversations, the reality we experience today, in March 2026, shows a very different scenario. A recent Anthropic … Read more

A more human-like ChatGPT? Understand the evolution of AI in 2026

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A high-quality, warm-lit photograph of a sewing studio and small-scale garment workshop in Franca, São Paulo. The central figure is Marta, a 30-year-old Brazilian micro-entrepreneur (MEI), wearing a practical apron that reads 'MARTA - MEI.' She is focused on an advanced interaction with AI. A translucent, holographic ChatGPT interface is projected over her tablet, which is displaying a live camera feed. This interface cleanly displays the OpenAI icon and a progress bar reading: 'Categorizing Inventory... (20/120 items).' Authentic details anchor the image in the local setting: a small Brazilian payment terminal (card machine), colorful spools of thread, folded fabrics, and a rustic sign in the background reading 'Ateliê Marta - Franca.' Late-afternoon natural light streams through the window, creating an atmosphere of genuine productivity and seamlessly integrated technology. Free of cluttered or oversized text, the image tells the story of 'autonomous execution' at a glance.

In April 2026, ChatGPT evolved from a simple “chat window” into the central nervous system of digital productivity. With the maturity of advanced reasoning models, OpenAI’s artificial intelligence no longer just answers questions, but anticipates needs and executes complex tasks autonomously. If you still use ChatGPT only to review emails, you are missing out on … Read more

AI Course for Leaders: Complete Review

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A business executive in a blue suit looks at and points to a floating blue holographic chart in a modern London skyscraper office at dusk. The hologram displays business data such as 'AI Strategy and Market Growth' and 'AI Adoption.'

Full Review 2026 AI Course for Leaders: Complete Review A strategic analysis of the AI Leader course, focused on empowering managers and founders for the era of Agentic and Generative AI with a focus on real results. Status Bestseller Students+40 thousand Updated 06/2026 Language English Includes3h of video Transforming Executives into Visionaries in the Era … Read more

Arnold Oberleiter’s AI Automation Course Review: Is It Worth It?

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Stylized digital illustration of a humanoid robot representing an AI agent, featuring a central logic board labeled 'N8N.' Data flows connect to floating icons representing APIs, OpenAI, DeepSeek, and RAG databases against a blue cyber-style background.

Complete Review 2026 Arnold Oberleiter’s AI Automation Course Review: Is It Worth It? Discover whether this AI automation and AI agents course with n8n is worth the investment in 2026. We analyze the theoretical curriculum, practical projects, and value for money. Students+80 thousand Updated 11/2025 Language English (English Subtitles) Includes14h of video What is Arnold … Read more

Review: GitHub Copilot Beginner to Pro — Is It Worth It in 2026?

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A digital rendering of multi-agent fleet orchestration. In the center, a chibi AI robot levitates inside a transparent data sphere hovering above an operator's hand. Legible holographic projections display the agents' status: a cargo drone labeled 'DRONE AGENT 1: DELIVERING (99.2%),' server racks labeled 'SERVER CLUSTER 1: OPTIMIZED (97%),' and shipping crates labeled 'SUPPLY AGENT: RESTOCKING.' A large, legible holographic side panel bears the title 'MULTI-AGENT FLEET ORCHESTRATION' and displays detailed fleet metrics.

Complete Review 2026 Review: GitHub Copilot Beginner to Pro — Is It Worth It in 2026? Discover how to master Agentic Coding and the Model Context Protocol (MCP) with the definitive guide to boosting your productivity to a professional level in 2026. Status Bestseller Students+200 thousand Last Updated09/2026 Language English (Portuguese Subtitles) Includes7h of video … Read more

Best Free AI Courses for Beginners 2026

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A hyper-realistic, cinematic photograph of a young student immersed in the study of Artificial Intelligence in a modern library at night. The student, wearing glasses and a green sweatshirt, sits at a wooden table, focused between two high-resolution monitors. The left screen displays lines of code and neural network graphs with the text 'LEARNING AI,' while the right screen shows a detailed scientific article. On the table, there is an open notebook where he is taking handwritten notes, a technical book titled 'Deep Learning,' a smartphone, and a coffee mug. The background is softly blurred, revealing other students and bookshelves bathed in warm, inviting lighting, creating an atmosphere of deep academic focus. The composition features a 16:9 aspect ratio with vibrant colors and sharp contrasts.

Complete Analysis 2026 Best Free AI Courses for Beginners 2026 If you’re looking to master high-performance artificial intelligence courses for this new tech market, rest assured your search ends here. Discover which ones deliver results to gain independence. When I decided to dive into this revolutionary market to deepen my digital education, I quickly realized … Read more

Best AI Courses for Marketing 2026

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A hyper-realistic, cinematic image in 16:9 format showing a detailed robotic hand on the left meeting a human hand on the right. Both converge toward a glowing blue central digital core composed of digital marketing icons (such as a megaphone, email envelope, magnifying glass, smartphone, charts, and speech bubbles). The background is a dark, high-tech data center environment featuring blue neon lights and subtle circuitry, symbolizing the collaboration between artificial intelligence and humans.

Complete Analysis 2026 Best AI Courses for Marketing 2026 Discover which courses actually deliver on their promises and how they can modernize your daily productivity using practical artificial intelligence. As a digital strategy professional fascinated by automation and efficiency, I dove headfirst into these training programs upon realizing that running daily routines by brute force … Read more

Best AI Courses for Business 2026

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A cinematic, hyper-realistic image in wide format (16:9) showing the torso of a man wearing a navy blue suit and tie. He is pointing his index finger at a glowing, floating holographic interface. In the center, there is an illuminated rectangle featuring the acronym 'AI' prominently displayed. Surrounding it, three digital panels display icons and text: on the left, 'PROJECT MANAGEMENT' with a Gantt chart; in the top right corner, 'BUSINESS' with growth charts and a handshake; and in the bottom right corner, 'LEADERSHIP' with a compass and the silhouette of a leader guiding people toward the horizon. The background is a modern office setting, intentionally blurred to add depth to the scene.

COMPLETE ANALYSIS 2026 Best AI Courses for Business 2026 The strategic adoption of generative AI divides executive careers into a clear before and after. Check out our meticulous selection of definitive trainings that will elevate your daily productivity, polish your decision-making, and deliver the best of business management via AI. In the exhaustive search for … Read more