Theo - t3․gg - Videos
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FFmpeg needs to change
FFmpeg is one of the most incredible pieces of software ever built, which is why the way they run their twitter & comms is such a problem... Thank you WorkOS for sponsoring! Check them out at: htt...
OpenAI is burning cash
You would think a company as big as OpenAI would actually be profitable, but they're not. In fact they're actually loosing $20 billion dollars a year... Thank you Greptile for sponsoring! Check th...
OpenAI made a browser???
OpenAI just dropped a new browser called "ChatGPT Atlas" and it's, uh, interesting... Thank you Mobbin for sponsoring! Check them out at: https://soydev.link/mobbin SOURCES https://simonwillison....
This is incredibly stupid.
us-east-1 went down. WTF actually happened??? Thank you Blacksmith for sponsoring! Check them out at: https://soydev.link/blacksmith Yes, the AI bed is actually worth it: https://soydev.link/eigh...
US-East-1 Went Down and OpenAI Dropped a Browser???
Sup nerds, we've got a lot to talk about
Vite costs money now? wtf is Vite+
Vite is incredible, and now we're getting Vite+ which has a paid plan? This is gonna be interesting... Thank you G2i for sponsoring! Check them out at: https://soydev.link/g2i SOURCES https://www...
Finally.
I've had a lot of problems with Firefox for a long time, but this new release is really good... Thank you Browserbase for sponsoring! Check them out at: https://soydev.link/browserbase SOURCE htt...
Well that was fun
Last week I put out a benchmark comparing Cloudflare and Vercel. At the time Cloudflare didn't look so great, but oh boy did they make some improvements... Thank you Modal for sponsoring! Check th...
The best model Anthropic has ever made
Anthropic just dropped a new model that's actually well priced??? Thank you Depot for sponsoring! Check them out at: https://soydev.link/depot Use code SMALL-MODELS-ARE-GREAT to get 1 month of T3...
Vibe coding is already dead
Vibe coding has been everywhere lately, and yet the user counts for these companies seems to be going down? What's going on here... Thank you WorkOS for sponsoring! Check them out at: https://soyd...
The Future of React
There's a lot to talk about after this year's React Conf... Thank you Greptile for sponsoring! Check them out at: https://soydev.link/greptile Want to sponsor a video? Learn more here: https://so...
The Future of Bun
We need to talk about the very interesting future of Bun... Thank you Arcjet for sponsoring! Check them out at: https://soydev.link/arcjet SOURCE https://bun.com/blog/bun-v1.3 Want to sponsor a ...
I hate that this is still happening
I can't believe that this is still a problem. This is not how you contribute to open source, not how you get a job, and man we have so much to talk about... Thank you Sevalla for sponsoring! Check...
Amazon bets big on React Native
React native is really good for mobile, but what if we used it for operating systems? Thank you Rork for sponsoring! Check them out at: https://soydev.link/rork SOURCES https://x.com/amazonappdev...
I ranked every vibe coding app
There are an insane number of vibe coding tools these days, but which one has the best vibes? Thank you Frontend Masters for sponsoring! Check them out at: https://soydev.link/masters SOURCES htt...
Life after TypeScript
This is one of the best pieces I've ever read on why you might actually want to move off of TypeScript... Thank you Blacksmith for sponsoring! Check them out at: https://soydev.link/blacksmith SO...
MCP is the wrong abstraction
MCP is one of those things that I don't really talk about. There's a reason for that... Thank you Depot for sponsoring! Check them out at: https://soydev.link/depot SOURCE https://blog.cloudflare...
React is killing the web
React won. It's the default we all use everyday, so what's gonna happen to front end innovation? Is it over? Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos SOURCES...
Was I wrong about Cloudflare?
I really didn't want to make this video, but I have to set the record straight... Thank you Sevalla for sponsoring! Check them out at: https://soydev.link/sevalla Benchmark: https://github.com/t3...
Better than Claude and 10x cheaper?? GLM-4.6 is so good
It's been a bit since there's been a really good open weight model, but we finally got one with GLM 4.6... Thank you Ragie for sponsoring! Check them out at: https://soydev.link/ragie Want to spo...
React 19.2 Dropped Early???
React 19.2 just dropped and there are a lot of really sick changes... Thank you Convex for sponsoring! Check them out at: https://soydev.link/convex SOURCE https://react.dev/blog/2025/10/01/react...
OpenAI’s TikTok Clone Is Interesting…
Sora 2 is uh, very interesting... Thank you Mobbin for sponsoring! Check them out at: https://soydev.link/mobbin SOURCE https://openai.com/index/sora-2/ Want to sponsor a video? Learn more here:...
Sonnet 4.5 is the best coding model in the world
Anthropic finally dropped a new model: Claude 4.5 Sonnet. And it's really good... Thank you Arcjet for sponsoring! Check them out at: https://soydev.link/arcjet Use code KINDA-SAFE for 1 month of...
Claude made its own language (it took 3 months)
What would happen if you let Claude code run in a loop for 3 months to make an entirely new programming language? Nothing good apparently... Thank you Sevalla for sponsoring! Check them out at: ht...
The real reason Claude got dumber
Anthropic finally explained why Claude really got dumber... Thank you Warp for sponsoring! Check them out at: https://soydev.link/warp (and make sure you use code THEO for 70% off your first month...
It's time to move off Slack...
Slack just tried to extort a non-profit into paying them another $200,000 dollars a year. This has to stop. Thank you Depot for sponsoring! Check them out at: https://soydev.link/depot DONATE TO ...
I'm sure something will drop today...
Sup nerds, we've got a lot to talk about
React caused an outage for Cloudflare?
Cloudflare got DDoS'd by their own React code?!?!?!? Thank you G2i for sponsoring! Check them out at: https://soydev.link/g2i SOURCES https://bsky.app/profile/tkdodo.eu/post/3lype5f2c7224 https:/...
These might be my new favorite models (don’t sleep on Grok 4 Fast)
xAi just dropped Grok 4 fast and it is SO much better then Grok 4... Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos Use code GROK-IS-GOOD-NOW for 1 month of T3 Cha...
I hate JavaScript
The only thing more cursed the JavaScript is the date class in JavaScript... Thank you Sevalla for sponsoring! Check them out at: https://soydev.link/sevalla SOURCES https://jsdate.wtf/ https://w...
"AI Startups" are over done (finally)
A lot of people think that these days investors will only ever invest in AI companies, but it's starting to look like that's not the case at all... Thank you Blacksmith for sponsoring! Check them ...
Which browser should you use right now?
There are a lot of browsers: Chrome, Arc, Safari, Firefox, Brave, and so many more. So which one should you use? Thank you Mobbin for sponsoring! Check them out at: https://soydev.link/mobbin Wan...
OpenAI dropped a new model built for developers
OpenAI just dropped a new model for agentic coding: GPT-5-Codex. Yes, they actually named another thing Codex 🙃 Thank you Browserbase for sponsoring! Check them out at: https://soydev.link/browser...
Cloudflare and Vercel can't stop fighting
Cloudflare and Vercel are fighting again... Thank you G2i for sponsoring! Check them out at: https://soydev.link/g2i SOURCE https://x.com/dok2001/status/1963611108998095246 Want to sponsor a vid...
It's not just you (Claude did get dumber)
I've definitely soured on Anthropic lately, but it's starting to see like that might be because of an infra issue??? Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos ...
This could have destroyed the entire web (the next one probably will)
npm got hacked. And while the outcome wasn't too bad, it could have been so much worse... Thank you Daytona for sponsoring! Check them out at: https://soydev.link/daytona (make sure to use THEO_10...
Ripple: a new framework that takes the best of everything
It's been a long time since the last new web framework and this one's really cool. Imagine the best parts of both React and Svelte, all in one... Thank you Clerk for sponsoring! Check them out at:...
Predicting OpenAI's future via their acquisitions
It feels like every week OpenAI is buying another company, and there's a surprisingly good reason why... Thank you Vapi for sponsoring! Check them out at: https://soydev.link/vapi SOURCES https:/...
You should NOT work at a startup
Is working at a startup really a good idea? Thank you G2i for sponsoring! Check them out at: https://soydev.link/g2i SOURCE https://x.com/theo/status/1960086531198394415 Want to sponsor a video...
Hacking Claude Code to make it 15x cheaper? 👀👀👀
Zai just launched a Claude Code competitor, and it's Claude Code. Yes actually, you can now use different models with Claude Code for a really really good price. But is it good???? Thank you Agent...
Arc just got acquired...by Atlassian???
The death of Arc has been tragic to watch, and today it's finally over. The Browser Company just got bought by Atlassian. Yes, the Jira Atlassian... Thank you Browserbase for sponsoring! Check the...
Is this the end of Chrome?
Google just lost their case, and yet somehow they actually sort of came out on top? This one was weird... Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos SOURCES ht...
BREAKING: Anthropic announces massive investment (50% of OpenAI???)
AI is becoming an insane cash war. Not long ago OpenAI raised $40 billion and now Anthropic just raised $13 billion... Thank you Graphite for sponsoring! Check them out at: https://soydev.link/gra...
I finally get how SVGs work
SVGs are awesome, but do any of us really understand how they work? Thank you Mobbin for sponsoring! Check them out at: https://soydev.link/mobbin SOURCE https://www.joshwcomeau.com/svg/friendly...
The "right way" to vibe code (engineers, please watch)
Yes, vibe coding is useful. And yes, engineers aren't going anywhere. We have a lot to talk about... Thank you CodeRabbit for sponsoring! Check them out at: https://soydev.link/coderabbit SOURCE ...
Mongo can’t stop winning (I hate it)
I am not a fan of MongoDB, but their stock just jumped 40% and we really need to talk about it... Thank you G2i for sponsoring! Check them out at: https://soydev.link/g2i SOURCE https://www.there...
Git is holding us back
Git has been the backbone of software for decades, but is it the right solution? Can there be something better? Maybe... Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/wor...
OpenAI just dropped a Cursor competitor?
OpenAI just dropped a massive update to Codex, it's now a full Cursor alternative that's actually pretty good??? Thank you Vapi for sponsoring! Check them out at: https://soydev.link/vapi Use cod...
A new git killer by Zed? Oh boy...
Sup nerds, we've got a lot to talk about
Please Stop Using Booleans.
Should we be using booleans? Yes, but a lot less then you think... Thank you Embrace for sponsoring! Check them out at: https://soydev.link/embrace SOURCE https://ntietz.com/blog/that-boolean-sho...