Theo - t3․gg - Videos
Back to Channel
Why is everyone open sourcing their startups?
As devs we love open source, but is it a good idea for companies? Surprisingly yes... Thank you Graphite for sponsoring! Check them out at: https://soydev.link/graphite SOURCE https://newsletter....
Why every dev should avoid React
I always love breaking down these "react sucks" articles. There is some genuine good in here, but oh boy is it also so so wrong... Thank you Augment Code for sponsoring! Check them out at: https:/...
The current state of gpt-5
The GPT-5 launch was uh, rough. A lot went wrong here, and I want to talk about what really happened... Thank you Kilo Code for sponsoring! Check them out at: https://soydev.link/kilo (also make s...
A free model just appeared in Cursor (and it’s really good at code)
There's a new stealth model live in Cursor and it's actually quite good... Thank you Coderabbit for sponsoring! Check them out at: https://soydev.link/coderabbit Want to sponsor a video? Learn mo...
How did we get here? (A rant about Javascript runtimes)
Why are there so many different JavaScript runtimes? Node, Bun, v8, WorkerD, Deno, and so many more... Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos SOURCES https...
I was wrong about AI costs (they keep going up)
Despite the cost of tokens going down, AI is actually getting more expensive... Thank you Fal for sponsoring! Check them out at: https://soydev.link/fal SOURCE https://ethanding.substack.com/p/ai...
JSON just got way better (yes really)
Y'all thought I wouldn't take the opportunity to nerd out about a JS internals thing? JSON.stringify improvements may not sound exciting, but to me....yeah. Enjoy. Thank you Augment Code for spons...
Things aren’t looking good for GitHub…
GitHub's CEO just resigned, making GitHub far less independent. They're now part of Microsoft's CoreAI team, and I'm concerned... Thank you Clerk for sponsoring! Check them out at: https://soydev....
I was wrong about GPT-5
Not much to say here. gpt-5 is not as magical as I said initially. This is my attempt to correct the record. Edit and thumbnail by me.
Anthropic has weird vibes
Why is Anthropic like this man... Thank you CodeRabbit for sponsoring! Check them out at: https://soydev.link/coderabbit Use code WEIRD-VIBES for 1 month of T3 Chat for $1: https://soydev.link/ch...
You're using AI coding tools wrong
As AI is getting better and better it's clear that the bottleneck for making software was never really writing code... Thank you Augment Code for sponsoring! Check them out at: https://soydev.link...
Vite won.
Vite has finally overtaken Webpack. This is huge for the future of the web... Thank you Arcjet for sponsoring! Check them out at: https://soydev.link/arcjet SOURCES https://x.com/youyuxi/status/1...
Everything you need to know about GPT-5 (+ mini and nano)
GPT-5 is finally here. I already went over my pre-release impressions this morning, so this is the deep dive video going over everything from pricing, benchmarks, launch, and more... Thank you Day...
So I've had gpt-5 for a bit now...
I, uh, yeah. gpt-5 is an incredible model. It hit harder than I imagined. I hope that comes through here. Try it now on T3 Chat: https://t3.chat Normally $8/month, but you can get your first mont...
Every smart AI model wants to kill you (yes really)
As AI gets smarter, does it become more evil? Kind of? This is an interesting one... Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos SOURCE https://www.honest-broke...
OpenAI’s open source models are finally here
The open source OpenAI models are finally here, and oh boy were these worth the wait... Thank you Agentuity for sponsoring! Check them out at: https://soydev.link/agentuity Use code THANKS-OPENAI...
How the "Online Safety Act" might destroy the web
The UK's age restriction laws just went into effect. This is gonna be bad... Thank you Frontend Masters for sponsoring! Check them out at: https://soydev.link/masters SIGN THE PETITION: https://p...
Meta's weird plan to win the AI war
Meta has been dropping $100 Million+ offers for ai researchers to help build their vision of AI, and it's an interesting one... Thank you Augment Code for sponsoring! Check them out at: https://so...
Did gpt-5 just shadow drop? Horizon is the best code model ever
Some new anonymous models just dropped: the Horizon models. These are really impressive models, and I have no idea who made them... Thank you Depot for sponsoring! Check them out at: https://soyd...
Claude Code just got WAY more expensive (called it)
Claude Code usage is no longer unlimited, unfortunately the free lunch can't last forever... Thank you CodeRabbit for sponsoring! Check them out at: https://soydev.link/coderabbit Use code NOT-UN...
The real reason Tea got hacked (it's NOT vibe coding)
Thousands of users just had their data compromised by the Tea App. Not because of vibe coding, but horrible design decisions... Thank you Mobbin for sponsoring! Check them out at: https://soydev....
Even more open models???
Sup nerds, we've got a lot to talk about
The actual reason you can't get a job
I've been very lucky, but I think you can be too. You can optimize your luck, and I wanted to talk about how... Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos Use ...
So I tried the GitHub "Vibe Coder"...
Github just dropped their vibe coding app. It's, uh, interesting... Thank you Sevalla for sponsoring! Check them out at: https://soydev.link/sevalla SOURCES https://x.com/satyanadella/status/1948...
Github's new vibe coder + new Qwen models? SUNDAY STREAM LET'S GO
Sup nerds, we've got a lot to talk about
Kiro: Amazon's unexpected Cursor competitor
Amazon just dropped their Vscode fork and oh boy is it different... Thank you G2i for sponsoring! Check them out at: https://soydev.link/g2i SOURCES https://kiro.dev/blog/introducing-kiro/ https:...
Trump just announced his AI plan. It’s weird.
The US just announced ai.gov and the AI action plan. This was a very interesting one... Thank you Coderabbit for sponsoring! Check them out at: https://soydev.link/coderabbit Use code WHITE-HOUSE...
The painful truth about startups (my story)
My job is, weird. And my journey to get here was chaos... Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos Want to sponsor a video? Learn more here: https://soydev.l...
How JS ruined the web
"JavaScript ruined the web". Oh boy... Thank you Sevalla for sponsoring! Check them out at: https://soydev.link/sevalla SOURCE https://www.jonoalderson.com/conjecture/javascript-broke-the-web-and...
Why I moved away from SQL
Convex is one of those products I just kinda wrote off. At least until people I trusted started using them. I finally gave them a real shot, and now I'll never go back... Thank you Augment Code fo...
I spent $4,000 to make TypeScript faster
TypeScript's language server performance is rough, luckily it's finally getting fixed. Can't wait for TypeScript 5.9! Thank you Arcjet for sponsoring! Check them out at: https://soydev.link/arcjet...
Why the hell did Vercel hire the creators of Nuxt?
Vercel is acquiring the NuxtLabs team. This is a really big deal for the web, and a very good thing... Thank you Depot for sponsoring! Check them out at: https://soydev.link/depot SOURCES http://...
Windsurf just got bought...by Devin?? This is nuts.
Apparently now Devin is buying Windsurf? This just keeps getting more and more insane... Thank you Kilo Code for sponsoring! Check them out at: https://soydev.link/kilo (and use code THEO to get a...
There's a startup making botnets using Chrome extensions?
Web scraping is more valuable than ever. So valuable that even Chrome extensions are doing it? This Mellowtel drama is nuts. Thank you to WorkOS for sponsoring! Check them out at https://soydev.li...
This might be bigger than DeepSeek
Kimi K2 is a new open weights model that can do tool calls as well as Claude. This is a really big one... Thank you Embrace for sponsoring! Check them out at: https://soydev.link/embrace Want to ...
The Windsurf situation is pretty wild (RIP $3 billion?)
Windsurf's OpenAI acquisition is, uh, not happening? What a wild ride this has been. Congrats to Google and Deepmind I guess? THANK YOU BLACKSMITH FOR SPONSORING! Check them out at https://soydev....
Everyone’s mad at Cursor right now
Cursor screwed up... Thank you Graphite for sponsoring! Check them out at: https://soydev.link/graphite Use code GOOD-VALUE for 1 month of T3 Chat for $1: https://soydev.link/chat SOURCE https:/...
Grok 4 just dropped, it’s the best model right now (yes really)
I can't believe it, Grok 4 is the best model ever made. xAi is officially a real contender in the AI race... Thank you G2i for sponsoring! Check them out at: https://soydev.link/g2i Want to try G...
React feels insane
Another article about how React was a mistake. This one started strong, but oh boy did it fall apart... Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos SOURCE https...
Falling in love with “if” in CSS (sorry Tailwind…)
If statements are coming to CSS? Yes, and they're really cool... Thank you Frontend Masters for sponsoring! Check them out at: https://soydev.link/masters SOURCE https://developer.chrome.com/blog...
I finally switched to Postgres.
Everyone keeps telling me to "just use postgres", so today I finally am. Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos SOURCES https://x.com/isamlambert/status/19...
Figma filed for their IPO (and revealed EVERYTHING)
Figma is going public, which means we have way more info about this company... Thank you Mobbin for sponsoring! Check them out at: https://soydev.link/mobbin SOURCES https://x.com/rohit_razdan_/s...
CSS has gone too far (deep dive on Minecraft in 100% CSS)
CSS has gotten really powerful. So powerful, that apparently you can build Minecraft with it??!?! Thank you Sevalla for sponsoring! Check them out at: https://soydev.link/sevalla SOURCES https://...
Postgres is finally fast
Sup nerds, we've got a lot to talk about
Developers are way too sensitive.
Why do engineers get so mad about so many things? Thank you Convex for sponsoring! Check them out at: https://soydev.link/convex SOURCE https://x.com/trashh_dev/status/1895496157776019599?s=46 W...
Apple isn’t built for the AI era
When Apple Intelligence was revealed it seemed like a slam dunk. They're got the hardware, the talent, so what the hell happened? Thank you Clerk for sponsoring! Check them out at: https://soydev....
20 years later, PNG 3.0 is finally here
I never thought I would see the day. This is huge. HDR, here we come. Thank you Blacksmith for sponsoring! Check them out at https://soydev.link/blacksmith SOURCES: https://www.programmax.net/art...
Vercel Finally Caught Up
Vercel just shipped. A lot. Queues, better pricing, captchas, and more. This is a big one... Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos SOURCES https://vercel....
Gemini’s Claude Code killer is FREE??
Google just dropped their CLI coding tool, and it's fully open source. Thank you Exa for sponsoring! Check them out at: https://soydev.link/exa SOURCES https://x.com/SIGKITTEN/status/193795081191...
Watch this if you use shadcn/ui
Has Radix become a liability? Shadcn is heavily based on Radix, so there's a lot of important stuff to go over here... Thank you Mobbin for sponsoring! Check them out at: https://soydev.link/mobbi...