Curated tech Twitter/X posts on AI, startups, and product development—signal without the doomscroll, updated on weekdays.
402 trending tweets • October 19, 2026 • Archived daily snapshot
Top Tech Twitter posts from October 19, 2026, ranked by engagement.
Meta Muse will probably create 1000+ millionaires This is the most slept on arbitrage I’ve seen in years and it’s not even close. Here’s h...
Grok Bot is now one step closer. Set it as your iPhone's Action Button and press it to talk with Bot.
Day 14/ Small quality of life improvement. You can now edit previous messages within a thread in the desktop app. Long time requested, and ...
Our team worked with OpenCode to have their users who are also OpenAI API customers back in business and any credits refunded which would ha...
Stocks I own that i believe are undervalued or at generational bottoms: $TSLA $uber $NU $hood $dash $AMZN $PONY $WRD $FIG $BIDU $...
I think most people multi-tasking with agents could benefit from slowing down most of the stuff you're doing wont really matter- what's you...
A fly that died years ago is flying around a harbor that doesn't exist. Here's what's going on. Scientists took one female fruit fly and sl...
To get League of Legends and Valorant onto Omarchy, it'll help to have good friends at Tencent!
built my own trading terminal called "terminal" it's so fluid and fast, you can download it at https://terminal.rasmic.xyz it's also opens...
Someone asked what was the best way to get hired by a startup. I told him it was to start one and then hire himself.
Can I be real for a sec? I'm super nervous about this launch. It's something I never thought I would do, and I want to be as transparent as ...
We open sourced a *really fast* HTML artifact builder. It's powered by libfx, making the agent durable. Building the low-level plumbing for...
Pumpkin Bot is coming (for a limited time)
Our latest model advances bring stronger capabilities for building and migrating software in low-resource programming languages such as COBO...
how the f*ck did they pull this off? this is literally the cheapest way to make ads or ANY video for your brand https://twitter.com/sunra_ai...
what did you get done with grok @bot last week?
3 months on, and my personal wiki has become critical infrastructure for my business. Hugely enriches my courses and makes "agents that run...
ChatGPT Slides has new ways to get your deck ready—and get everyone on the same page. • Work together in real time in ChatGPT: Share decks,...
I recently wrote about why we need to treat models as insider risks, with security controls sitting outside the model itself. Today, we're ...
This messes with my mind ALL THE TIME When I do stuff with AI I am an *expert* in (eg coding on my project I know well, or doing research i...
vibe coding with opus 5.5 really is insane he's like that super high IQ friend who gets everything right and doesn't bother you with the de...
Congrats, you're the fastest-growing startup of the week on TrustMRR 👏🎉 Adel built Tinder for sports. His app (Ritmo) matches you with ...
Anthropic was so bottleneck'd by GitHub that they rebuilt git itself. This might seem insane, but a lot of us are gonna end up where they a...
Introducing Clairic, from Cloudflare. A System One extraction modeI, capable of extracting, computing, estimating, and forecasting data from...
My TLDraw agent is getting better Pretty arrow-heavy, but not bad. Nice use of colour in particular
The Department of Homeland Security is requiring all civilian federal agencies to remove DeepSeek products and 'any third-party services dev...
For the last 2 weeks, over 60% of T3 Code users who used Codex also used Claude Code as well. The majority of Codex users are Claude Code u...
98% of the world’s population is oblivious to anything ai, it’s like a giant tsunami has formed on the way & they are on the beach enjoying ...
This guy's research was cited in a Nobel Prize, and after 2,300 job applications he can't even get a call back from a company that sells fro...
if your attention span is cooked like mine skip to 57 seconds in and you'll immediately understand why this is a great app you'll then not ...
All the T3 Code threads I am clicking on in this demo are on other machines (mostly VPSs and local linux boxes) The Codex comparison is mos...
Prediction: you’re all going to be using @AsideAI with your agents in a year or so https://twitter.com/trikcode/status/2111622265284546620
Bold cold outreach Pitched his startup via a Mercury SAFE note
I left an Omarchy terminal in Chinese, and I'm not going to lie, this looks pretty bad ass when doing omarchy update!
Software is done. You won't believe what I've been making.
We have presents for you! 🎁 - A new WebMCP Skill with best practices for security, development, & consequential flows - WebMCP Types: Typ...
The Action Button has been waiting its whole life for this
for a long time it felt like the world was fully optimized against you you go to buy something, you get a bunch of ads and upsells and micr...
Going to make hermes agent into a DIY game dev studio
Our team built a playable 3D Wizard Chess game from scratch with Gemini 4 Argon using Google Antigravity in the Gemini app for Mac. Coordin...
Here’s why agent swarms are going to be a very big deal. We can finally make compute a critical variable in a large number of important task...
btw if you want to 10x the value of your Grok Bot subscription, check the Grok Bot marketplace. it's basically xAI's app store for ready-ma...
My biggest takeaways from @AnthropicAI interpretability researcher @mlpowered: 1. Predicting the next token requires understanding the univ...
I hate this slide every time it comes up, and now from CSAIL This has been false since before the slide was made. Automated systems make ma...
You wouldn't believe the hours I spent manually testing and verifying Omarchy releases during the first year. With Prime's stellar work lead...
Jean-Denis Greze was CTO of Plaid. His next startup, an AI tax product for small businesses, brought in nearly $1M in revenue its first year...
New Claude Projects* is a nice interface for multi-agent work. It does a good job with having a user-facing coordinator model and independen...
If I was a brand or retailer, AI discoverability / agentic commerce would be my top priority right now. And, there's an extremely easy and...
This was news to me. Eric Schmidt was in the Series A, and personally owns 1% of Anthropic. https://x.com/AndrewCurran_/status/2112317743756...
SITUATION DETECTED: The US government is banning DeepSeek from all civilian federal agency IT systems under national security.
Learn how to build evals, folks! It's one of the pillars of the intelligence stack. Agents are hungry for data and can get it in many way...
This would be amazing… can you imagine what would happen if every child born every year in America had one share of SpaceXSITeslaBoringaLink...
why does astra insist on putting these everywhere?
this post announced what could be the largest commitment of philanthropic capital ever made ($200 billion if Anthropic goes public at $1 tri...
Stealth model reveal 🐰 Space Bunny was OpenRouter’s #1 model for 10 straight days, processing 56.7T tokens! The most of any stealth model ...
You suck at prompting. Don't feel bad, most engineers do. I love making this type of vid, and I hope you do too 🙏
we support all developers, even the ones who use light mode
I just shipped this to http://MailCheap.ai: 📚 Help center 🧭 Settings redesign 🎯 Contact segments 🆕 What's new popup ✋ Drag-and-drop edi...
The “X.com” watermark on screenshotted tweets is so ugly Rather than relying on the iconic design of the Twitter interface, they slap a b...
the amount of internal tooling is exploding, it must be at all companies a weird side effect is when you switch companies then it's all new...
Today, Notion AI gets some major upgrades. Introducing: → More capable Notion Agents → A smarter Auto (frontier results, 90% cheaper) → Bri...
Expect this month to be a busy one for new model releases. We have the scoop on a new Anthropic model, Google’s Gemini 4 Carbon, and a poten...
Reading essay submissions to the "How software engineering is changing with AI", and one thing that comes up is how several devs building pr...
Now your agent can trade perps for you on Coinbase Send “Connect to https://coinbase.com/skill.md" to your favorite LLM to get started http...
Reverse-engineer any brand with Claude: I gave Opus a URL & it reverse-engineered the Revolut's design system: fonts, colours, grid, compon...
Elon says that instead of putting shares into a Public Benefit Fund he will be giving shares directly to the public. Back in April, OpenAI a...
Writing good STATA code was very important for my academic career. It looks like that skill is largely becoming obsolete. (Also take this is...
Mercury 3 is live on OpenRouter! @_inception_ai's new diffusion model generates 1,000+ tok/s with 1M context, 4x more than Mercury 2.5. Inc...
Crypto settles instantly. No more T+1, T+2, etc.
i'm doing a bunch of work on our desktop app my flow is a single pinned "gooey" session where i tell it to do all work in subagents then a...
Fields Medalist who famously cried over OpenAI’s paper dump, refuses to use AI in his own research: “People that don’t want to use AI… they ...
So interesting. Everyone is talking about how AI slop is the problem. But all I’m seeing over the past few weeks is AI REMOVING SLOP. Be...
grok bot 0.71.2 is out - smarter notifications - files up to 250 mb (1 gb for video), 20 per message - forms arrive pre-filled and a lot m...
Every morning Claude Sends me a video now. I tell it to explore interesting video styles on the internet before making it. It has access to...
Remote work is the best way to live and work. Todoist has been remote since 2007. Our employee retention is 90%+, and over 20% of the compan...
Million dollar opportunity is to work directly with small to medium sized businesses pen-testing, then selling them contracts to keep them s...
Why would anyone spend money buying apps when they could spend 10x that amount buying tokens and wasting their weekends building everything ...
Runway MCP is now in Grok Bot. Bring state-of-the-art generation into your chat and create anything you can imagine, without leaving Grok. ...
Blackstone created an AI chief investment officer, which is trained on 14 years of the PE firm’s internal deal memos and debates. Every po...
Generally, good advice here. Systems thinking is at the top of my list too. That’s how you interact and build effectively with agents today,...
If history tells us anything, it's that the long-term impact of new technology is difficult to anticipate from its earliest applications. I...
how to master AI faster than anyone else: just build something... we all begin the AI journey the same way, learning how to prompt, underst...
Anyone can get @claudeai to cut a basic video. But it's harder to teach it to be funny. @brookejlacey figured that out for her TikTok - wh...
In all fairness, I feel Grok Bot figured this out much earlier. You cannot choose your model for Grok Bot. It’s Grok 4.{latest}… I think. ...
NEW: In 2021, Apollo acquired a massive internet business for ~$5B. Just 5 years later, it's become *one of the fastest-returning deals in...
Chinese hackers used DeepSeek + Claude Code to breach 100+ companies. but forgot to put passwords on their own agent dashboards. so resear...
now that answers are essentially commoditized (outside of perhaps crazy math proofs, although even those are being knocked out fast now), th...
muse wonder full on webdev arena not bad, but clearly lots of room for us to improve! https://twitter.com/arena/status/2112215825944117361
This new video model from @fal x @bfl_ai is remarkable. All of these clips were text-to-video, generated in <10 seconds (22x faster than Se...
App idea: photograph any menu, map dishes and drinks by taste to find out what suits your mood. Powered by Claude Opus 5.5.
Archive of all Apple Event invites https://appleinvites.com
LLMs were just the beginning. Bullish on world models, and I think they are the next frontier in AI. Amazing to see a dedicated world model...
related - no one on the team really uses these hosted ai assistants. mostly because it's annoying to keep everything logged in everywhere o...
Great way to explore new product concepts or compare alternatives with 3D designs! This is an engineering world model. You give it a text ...
The biggest AI workflows, ripe for agent-ification in each department, that we've seen at Varick: 1. Finance a. Manage AP exceptions: most ...
"Understanding LLM Parameter Update Sparsity through the Lens of Fisher" LLM post-training methods like RL and on-policy distillation often...
Crusoe is extremely well positioned to become a full-stack cloud: power, compute, and services running on top. Perplexity’s open source sand...
Vercel and @Shopify are making agents first-class shoppers. Vercel Shop, our Next.js storefront template for Shopify, is GA. • Built on Sho...
Everyone is hacking their TVs STREAMING NOW https://www.youtube.com/watch?v=qKyFi6j1XpA
What if your AI budget went to the engineers who use it best? Blanket usage caps are a hiring freeze in disguise. Introducing efficiency-b...
Twitter trends by date use UTC day boundaries. This archive highlights the top Tech Twitter posts from October 19, 2026, ranked by weighted engagement across likes, reposts, replies, and bookmarks.