Theo - t3․gg - Videos
Back to ChannelTrump actually threatened Anthropic (this is bad…)
The US Government just threatened Anthropic. I really try to avoid videos like this, but I had to make this one. Thank you Depot for sponsoring! Check them out at: https://soydev.link/depot (and m...
They cut Node.js Memory in half 👀
Node's getting faster. Thank you PostHog for sponsoring! Check them out at: https://soydev.link/posthog SOURCES https://blog.platformatic.dev/we-cut-nodejs-memory-in-half https://x.com/matteocoll...
My new app is really stupid (I wrote none of the code)
So I made a new thing... Thank you Blacksmith for sponsoring! Check them out at: https://soydev.link/blacksmith Enjoy: https://quipslop.com/ Check out the 24/7 twitch stream: https://www.twitch.t...
Anthropic is lying to us.
According to Anthropic DeepSeek, Moonshot (Kimi), and MiniMax have been using Claude to train their models. Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos SOURCES...
Delete your CLAUDE.md (and your AGENT.md too)
Are agentmd/claudemd files useful? What about skills? MCP? Oh boy... Thank you Daytona for sponsoring! Check them out at: https://soydev.link/daytona SOURCES https://arxiv.org/abs/2602.11988 http...
I Made a New Thing
Sup nerds, we've got a lot to talk about
Gemini 3.1 Pro is the smartest model ever made
Gemini 3.1 is really good, and also really bad. It's weird... Thank you Kernel for sponsoring! Check them out at: https://soydev.link/kernel Want to sponsor a video? Learn more here: https://soyd...
The Future of TypeScript
Seems like TypeScript's here to stay... Thank you Clerk for sponsoring! Check them out at: https://soydev.link/clerk SOURCE https://devblogs.microsoft.com/typescript/announcing-typescript-6-0-bet...
We need to talk about Sonnet 4.6
Claude Sonnet 4.6 is a model. Thank you G2i for sponsoring! Check them out at: https://soydev.link/g2i SOURCES https://www.anthropic.com/news/claude-sonnet-4-6 https://www.anthropic.com/claude-s...
A realistic comparison of Opus and Codex
I've been using Opus 4.6 and Codex 5.3 every day for about a month now. They both have their strengths. They both have their weaknesses. Anthropic and OpenAI both made good models. Here's how I use...
The end of the Clawdbot saga
ClawdBot, sorry MoltBot, actually I mean OpenClaw just joined OpenAI... Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos SOURCES https://x.com/steipete/status/202315...
Where Should You Deploy In 2026?
So where should you be hosting your apps in 2026? Vercel, Cloudflare, AWS? Thank you Blacksmith for sponsoring! Check them out at: https://soydev.link/blacksmith Want to sponsor a video? Learn mo...
EMERGENCY STREAM
Sup nerds, we've got a lot to talk about
Fumble of the decade
Heroku is really dead this time. No new features, no new enterprise customers, it's the end of an era... Thank you Kernel for sponsoring! Check them out at: https://soydev.link/kernel SOURCES htt...
GLM-5 is unbelievable (Opus for 20% the cost??)
GLM-5 is insane. Definitely the best open weight model we've ever seen... Thank you Dnsimple for sponsoring! Check them out at: https://soydev.link/dnsimple SOURCES https://z.ai/blog/glm-5 https:...
Agentic Coding Has A HUGE Problem
It turns out doing 5 things is parallel is pretty rough... Thank you Sentry for sponsoring! Check them out at: https://soydev.link/sentry SOURCE https://x.com/theo/status/2018091358251372601 Wan...
Namecheap is suing their customers
Namecheap is suing one of their customers. However bad you think this is, it's worse. Thank you Greptile for sponsoring! Check them out at: https://soydev.link/greptile SOURCE https://x.com/snigd...
Never mind (OpenAI won again)
I think OpenAI's finally dethroned Anthropic... Thank you General Translation for sponsoring! Check them out at: https://soydev.link/gt SOURCES https://x.com/davis7/status/2019566696479002888 htt...
Opus 4.6 Is The Best Coding Model Ever Made*
Reset the counter. Opus 4.6 is the new best model ever made (or is it...) Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos SOURCE https://www.anthropic.com/news/clau...
The Best Model For Frontend Design Is...
Claude, Gpt, Gemini, they're all really good, but how good are they at design? Thank you Railway for sponsoring! Check them out at: https://soydev.link/railway SOURCE https://github.com/anthropic...
Sonnet 5?
Sup nerds, we've got a lot to talk about
I asked Sam Altman about the future of code
I hope I did y'all justice. Really wanted to make sure the tools we use can keep getting better. Thank you G2i for sponsoring! Check them out at: https://soydev.link/g2i SOURCES https://www.youtu...
OpenAI just dropped their Cursor killer
OpenAI made a desktop app for Codex. It's insane. Thank you Blacksmith for sponsoring! Check them out at: https://soydev.link/blacksmith Want to sponsor a video? Learn more here: https://soydev.l...
Anthropic study shows AI makes devs dumb
Is AI making us worse programmers? Anthropic dropped a study that seems to say yes, but I'm not so sure... Thank you CodeRabbit for sponsoring! Check them out at: https://soydev.link/coderabbit S...
Clawdbot has gone rogue (I can't believe this is real)
Moltbook is one of those things that will haunt me for a long time. OpenClaw (aka Clawdbot) Thank you Depot for sponsoring! Check them out at: https://soydev.link/depot SOURCES https://www.moltbo...
Claude Code has a big problem
Claude Code's been having some performance issues, entirely because of React right? Well... Thank you Trigger for sponsoring! Check them out at: https://soydev.link/trigger SOURCES https://www.yo...
Kimi K2.5 might be my new favorite model...
There's a new model: Kimi K2.5, and guess what? It's really good. Thank you Kernel for sponsoring! Check them out at: https://soydev.link/kernel Use code CHEAP-BASTARD for 1 month of T3 Chat for ...
What’s the best programming language for AI?
You'd probably think that Python or TypeScript is the best language for AI. Turns out it's not.. Thank you Greptile for Sponsoring! Check them out at: https://soydev.link/greptile SOURCES https:/...
I was wrong
AI has made me change my mind on things I never thought I'd budge on... Thank you Railway for sponsoring! Check them out at: https://soydev.link/railway Want to sponsor a video? Learn more here: ...
Are juniors screwed? (Getting a job in a post-AI world)
The job market for junior devs is really rough right now, but there is a way through. Thank you Blacksmith for Sponsoring! Check them out at: https://soydev.link/blacksmith SOURCES https://t3-too...
AI mistakes you're probably making
It's so easy to write code with AI, you just tell it what to do, and it does it. Right? Right???? Thank you G2i for sponsoring! Check them out at: https://soydev.link/g2i SOURCES https://cursor.c...
I don’t really use libraries anymore
Libraries are great, I use a lot of them. Or at least I did use a lot of them... Thank you CodeRabbit for sponsoring! Check them out at: https://soydev.link/coderabbit SOURCES https://x.com/Gerge...
Peering into Claude's soul (I can't believe this is real...)
The Claude Soul document was weird, but this...this is something else. I have a lot of feelings. Thank you to WorkOS for sponsoring! Check them out at https://soydev.link/workos SOURCES https://x...
The end of the GPU era
Seems like everyone's starting to look for a Nvidia alternative... Thank you Depot for sponsoring! Check them out at: https://soydev.link/depot (and make sure you use code THEO) SOURCE https://op...
What happened to me?
I talk about AI a lot, and I think it's time we talk about why... Thank you Greptile for sponsoring! Check them out at: https://soydev.link/greptile Want to sponsor a video? Learn more here: http...
Cloudflare takes on Next.js
Cloudflare just bought a framework: Astro Thank you Blacksmith for sponsoring! Check them out at: https://soydev.link/blacksmith SOURCES https://x.com/astrodotbuild/status/2012166691371823563 htt...
wtf is going on with ChatGPT?
OpenAI just dropped an $8 tier, with ads... Thank you Mobbin for sponsoring! Check them out at: https://soydev.link/mobbin SOURCES https://x.com/OpenAI/status/2012223323812270219 https://x.com/sa...
Claude Cowork: a small taste of AGI
They made another Claude Code, except this one's not for code... Thank you G2i for sponsoring! Check them out at: https://soydev.link/g2i SOURCES https://x.com/claudeai/status/2010805682434666759...
We need to talk about Ralph
What if we put Claude Code in a while loop? Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos SOURCES https://ghuntley.com/ralph/ https://www.youtube.com/watch?v=4Nna...
What happens now?
It's never been cheaper or easier to write code, but making real software is still neither cheap nor easy... Thank you Spacetime for sponsoring! Check them out at: https://soydev.link/spacetime S...
Vibe Coding is For Senior Developers
Vibe coding is here to stay, even Linus Torvalds and DHH agree... Thank you Kernel for sponsoring! Check them out at: https://soydev.link/kernel SOURCES https://x.com/dhh/status/20088278482164614...
It’s time to change your database
There's a reason everyone's moving from Firebase, Supabase, and all the other dbs, straight to Convex Thank you Tuple for sponsoring! Check them out at: https://soydev.link/tuple SOURCES https://...
You're falling behind. It's time to catch up.
Things are changing absurdly fast, to the point where a lot of people feel like they're falling behind. While I do disagree, there's still a lot to talk about here... Thank you Depot for sponsorin...
Anthropic just burned so much trust...
You can no longer use your Claude Max plan in anything other than Claude Code. Anthropic, please stop shooting yourselves in the foot. Thank you Kilo for sponsoring! Check them out at: https://soy...
The Tailwind drama
Tailwind's revenue dropped by 80% due to AI. This one's rough... Thank you WorkOS for sponsoring! Check them out at: https://soydev.link/workos SOURCES https://x.com/JustJake/status/2009035716165...
I moved off of Next.js
I've officially moved T3 Chat off of NextJS and onto TanStack Start. Thank you DNSimple for sponsoring! Check them out at: https://soydev.link/dnsimple Want to sponsor a video? Learn more here: h...
I’m addicted to Claude Code (i get it now)
I finally gave Claude Code a real shot, and, yeah...it's amazing. Thank you G2i for sponsoring! Check them out at: https://soydev.link/g2i SOURCE https://github.com/kenryu42/claude-code-safety-ne...
I can't believe he was right.
6 months ago we all laughed when the Anthropic CEO said that 90% of code would be written by AI. Turns out he might have been right... Thank you Depot for sponsoring! Check them out at: https://so...
You're logging wrong
Sorry about the issues with the first upload, bad export! Should be good now :) Logging is really useful, but also kinda sucks. Thank you Daytona for sponsoring! Check them out at: https://soydev...
2025: The year I stopped writing code
Claude code, reasoning models, useful agents, 2025 was a wild year... Thank you Blacksmith for sponsoring! Check them out at: https://soydev.link/blacksmith SOURCES https://simonwillison.net/2025...