Matt Maher - Videos
Back to ChannelChatGPT vs Claude: One Sounds Like a Blog (Here's the Fix)
Same prompt. ChatGPT sounds like a blog post. Claude sounds like a person. These models are NOT interchangeable—and I built a free tool to prove it. This video breaks down what actually happens wh...
AGI Will Create Billionaires. Maybe Ten of Them.
AGI promises to cure cancer, revolutionize education, extend human life. But who actually gets access to those solutions? We already have a $2 million gene therapy that cures a deadly childhood di...
GPT-5.2 vs Opus 4.5: The Ultimate Coding Benchmark
A year's worth of code. Built in hours. GPT-5.2 vs Opus 4.5 on my hardest benchmark yet—and both crushed it. I designed this benchmark differently than anything you've seen before. No cherry-picke...
I Gave Claude Code a Different Job. It Changed Everything.
Claude Code isn't just a coding tool—I've been using it for months to build multi-agent workflows that have nothing to do with code. Meeting notes, research systems, image pipelines, even jingle ma...
How I Make Claude Code Cook
70% of my success happens before I write a single line of code. Here's the four-phase system I use to ship software with AI—Define, Refine, Multiply, Expand—and why most people skip the part that m...
Claude Code: 3 Unlocks to Level 20
I asked Claude Code to run my tests, merge a PR, and cut a release. It did all of it—no GitHub UI, no manual commands. Just me and a terminal shipping a feature to production. Plan Mode spawned fi...
Opus 4.5 Sees the Whole System
Sonnet 4.5 and Codex Max High both failed on a React bug. For hours. Death spirals, circular fixes, no progress. Then Opus 4.5 and Gemini 3 dropped—and solved it in one shot. But here's what got m...
I Tried to Build a Prompt Manager in One Hour—Chaos Ensued
I tried to build a fully working Prompt Manager in one hour… and everything went off the rails fast. But with parallel agents, chaotic debugging, and a real ticking clock, something surprising happ...
New Gemini 3 Antigravity - My New IDE
Google just dropped Gemini 3.0, and I spent days testing its engineering capabilities—here's what blew me away. In this deep dive, I explore Anti-gravity (Google's new VS Code clone), compare Gemin...
New GPT-5.1: 80% Token Reduction?
I ran the same architectural analysis task across all their models to see the real differences. The results surprised me: Codex Mini used 400,000 tokens vs 160,000 for Codex High, but finished in h...
Starting AI Engineering Today? This Is What I'd Do
IT IS NOT TOO LATE! If I was starting today as a traditional engineer, here's exactly what I'd do: 30 days, three web applications built with ChatGPT Codex or Claude Code, zero frameworks, one focu...
I Deployed Code from My Couch — Here’s How It Works
Today’s developer reality: code, cloud… and couch? In this video, I show how I can dream up a change to an app, make it, and push it live—all without leaving the couch. Using GitHub, Vercel, and C...
I Used Both Claude Code and Codex for Weeks — Here’s What Surprised Me
I spent weeks using both Claude Code and Codex side by side — not to crown a “winner,” but to figure out how each one actually thinks. If you’ve ever wondered why one tool just “clicks” with you a...
Claude Code’s Hidden Subagents: Plan + Explore → Team Mode
Claude Code just quietly got a team. Two hidden subagents — Plan and Explore — change how it thinks, builds, and collaborates. Claude Code now includes two new subagents that mark a real shift in ...
AI Tools Are Outpacing How We Build Software
A tiny “Apply” button reveals something bigger — our dev workflows aren’t built for AI speed. I’ll show how Codex Cloud exposes the gap between tools and process. The way we build software is star...
AI Ghost Stories: Is It True?
Ever wonder what happens when your AI keeps working… even after you turn it off? This Halloween, I’m sharing a chilling (and totally fun) short story about an AI assistant that wouldn’t stop posti...
The Real Reason AI Is Going Back to the Terminal
Why is everyone suddenly obsessed with CLIs again? From Claude Code, Gemini CLI, OpenAI’s Codex, and even Cursor, it feels like every major AI company is rushing back to the terminal. But… why? In...
The New Engineering Mindset for the AI Era
After two years of breakthroughs, models that code, reason, and write — why does it still feel like we’re falling behind? We’ve never had more powerful AI, yet we’ve never felt more overwhelmed tr...
ChatGPT Is Now a Browser?! Full Tour of OpenAI Atlas
OpenAI just launched its first browser — ChatGPT Atlas — and it’s already changing how we think about browsing with AI. In this video, I take you through Atlas’ new AI-integrated experience: from i...
Claude Code Web Is the Future of AI Development
Claude Code has finally arrived on the web — and it’s a game-changer for how we write and scale code. In this video, I walk through Claude Code on the Web, the new browser-based experience from Ant...
Claude Skills Review — Early, But Promising
Claude’s new Skill System might quietly be one of the most useful features Anthropic has added — even if it’s still a little early. In this video, I take you through what Skills actually are, how ...
I Taught an AI Workshop About Nothing—and It Worked
What happens when you try to teach a team of engineers nothing—and it actually works? In this workshop, I set out to create a team of new AI engineers ready to tackle any problem, using tools and ...
ChatGPT’s App Store Moment Has Arrived
What happens when one of the most-used apps on the planet suddenly opens its doors to developers? This isn’t just another feature drop — this is when ChatGPT stops being a product and starts becomi...
Claude 4.5, One Week Later: A Glimpse of What’s Coming
I’ve been kicking the tires on Anthropic’s new Claude 4.5 Sonnet for about a week, and this is my honest first look. I’m not here to parade charts—I wanted to see what it does on a real build. So I...
Merge Hell Is Real: Codex + GitHub Story
We’re entering a strange new era where you can spin up multiple coding agents like Codex Cloud to supercharge your productivity—but with great power comes… merge hell. In this video, I walk throug...
The Message Every Engineer Needs to Hear
Engineering is changing forever — and it’s not optional. We’re standing at the edge of the biggest transformation in software since the beginning of software itself. This talk is about the efficie...
Why Codex Is the Beginning of New Engineering
The way we write code just changed forever. OpenAI’s latest updates to Codex aren’t just a small step forward—they’re a whole new chapter in engineering. In this video, I walk you through what’s re...
OpenAI’s New GPT-5 Codex Model — First Impressions
OpenAI just dropped a brand-new spin on GPT-5, and it’s aimed squarely at software engineers. Meet GPT-5 Codex — a refined coding model that feels faster, more agentic, and surprisingly collaborati...
25 AI Tools That Cut Through the Noise
Life is noisy — and AI doesn’t always help. In fact, it often makes the chaos louder. Over the last year, I’ve tested dozens of AI tools to cut through the noise. Only a handful have stuck, and in ...
AI Just Wrote My Code While I Slept (Here's How!)
AI coding tools are evolving fast—and they’re starting to feel like true teammates. In this video, I dive into the next big shift: coding agents that don’t just suggest code but actually take on fu...
Gemini CLI Is FREE — And It’s Shockingly Good
Gemini CLI might just be the most underrated developer tool out there — and it’s completely free. In this video, I dive deep into what Gemini CLI actually is, how to install it, and how it stacks ...
Context Engineering, Clearly Explained
What exactly is context engineering—and how is it different from, or related to, prompt engineering? In this video, I break it down step by step. We’ll explore how prompts, memory, files, tools, a...
Huge Codex Update: All My Complaints Addressed
Two days after I posted my first review of Codex CLI, everything changed. OpenAI dropped a massive update that fixed nearly every complaint I had, from messy output and high cognitive cost to clunk...
Is Nano Banana Google’s Best Image Model Yet?
Google just dropped its new Gemini Flash 2.5 Image Preview model—but inside AI Studio it has the much catchier name: Nano Banana. In this video, I push it to the limit with over 100 image generatio...
Stop Letting AI Wing It -- Take Control of AI Coding
Everyone thinks you can just tell an AI, “build me this app,” and magic will happen. Sometimes it does. Sometimes it’s a complete mess. In this video, I break down the real reason agentic coding o...
Claude Code vs Codex CLI: Daily Use Showdown
Codex CLI might be the most powerful coding tool you already have access to—but how does it really compare to Claude Code? In this video, I put Codex CLI (OpenAI) and Claude Code (Anthropic) side ...
Building With AI PRDs Is a Game Changer
Ever asked an AI to build something—only to get back half-finished code or an oddly limited result? The difference often comes down to how you ask. In this video, I explore the concept of AI PRDs (...
Can GPT-5 Keep Up with Claude Code? My Full Test
Is GPT-5 actually better than Claude Code for building real applications? In this video, I put both models to the test inside their native coding environments—Claude Code with Sonnet and Opus, and ...
GPT-5 vs. Sonnet in Cursor — Who Coded It Better?
I put GPT-5 head-to-head with Claude Sonnet 4 inside Cursor to see which could build the better video application — using the same PRD, the same prompts, and the same supporting files. The results?...
7 Big Changes in GPT-5 (With Live Demos)
GPT-5 is finally here — and it’s not just an upgrade, it’s a whole new way of using ChatGPT. In this video, I take you through the seven biggest changes you need to know on day one, from the unifie...
GPT-OSS is HERE: OpenAI Just Went Open Source!
OpenAI just released GPT-OSS, their first fully open-source model since GPT-2, and it's impressively powerful! I took a deep dive to explore what makes this new open-source AI so special, from its ...
Inside Google's New No-Code Experiment: Opal
Today I'm diving into Google Opal, Google's experimental no-code workflow builder. I've been stuck in a cycle of over-building full applications when sometimes a simpler workflow could do the trick...
Build & Deploy a Real App in One Video - No Prior Experience Needed
Look, I get it. That terminal window is terrifying. I've been there - staring at that blinking cursor, worried I'll type the wrong command and break everything. Claude Code makes it possible to go ...
Claude Code After 1 Month: The Patterns That Actually Stuck
After using Claude Code solidly for a month—not just testing, but really using it—I discovered 7 game-changing patterns that transformed my workflow. This isn't another feature overview (I already ...
Claude Code Agents: The Feature That Changes Everything
Yesterday, Claude Code dropped a game-changing update that might just transform how we code. I've been testing their new agents feature all day, and what I discovered surprised me—these aren't just...
ChatGPT Agent Just Went Public—Here's My Honest Reaction
ChatGPT Agent is finally here for everyone with a $20 subscription, and I'm diving straight into it! From researching affordable projectors and comparing weekend getaways in LA vs. Vegas, to huntin...
I Built an AI Tool to Hunt My Hidden Subscriptions
Subscriptions are taking over my life—and wallet! I realized I'm subscribed to way more services than I imagined, each quietly draining money month after month. Deciding to tackle this head-on, I b...
I Challenged Claude Code to Build My Apple Watch App
Today I'm challenging Claude Code to build an actual watchOS app—live! Can Claude Code handle developing an app I genuinely need? In this episode, I'll take you step-by-step as Claude Code creates ...
Claude Code Meets MCP: Building an AI-powered movie app
In this first episode of the "Today We Build" series, we're diving straight into building a simple, yet powerful AI-driven application using Claude Code and Anthropic's MCP (Model Context Protocol)...
I Tested Claude Code: $20 vs. $200 Subscription
In this video, I put Anthropic's Claude Code to the test, comparing the $20 Sonnet subscription with the premium $200 Opus plan. Is spending 10x more actually worth it? I challenged both models wit...