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450 trending tweets • September 25, 2026 • Archived daily snapshot
Top Tech Twitter posts from September 25, 2026, ranked by engagement.
This is an extremely good watch. The things that felt novel/interesting to me: 1. Lock down your agents Humans tend to like 'sharp knife'...
Claude Opus 5.5 has been out for a few days. Some of our favorite things people have explored and discovered with it so far: https://x.com/...
We’re building Copilot as a new OS for work that spans every model, every form factor, and every task. Today, we’re announcing our biggest u...
We are aware that codex is down and are working hard to bring back normal service.
Been a bit quiet here because internal Slack has been hilarious lately and because we are all locked in on DevDay. Tuesday will be fun.
This is where we were at with AI code early last year btw https://twitter.com/theo/status/1891736803796832298
New on the Science Blog: Yes, Claude can do Nine Loops. Theoretical physicists predict how particles behave using formulas called scatterin...
Excited to introduce @Cosign: the curated professional network for the startup community: http://cosign.co Our goal is to create the follow...
The more time I spend working with coding agents, the more convinced I am that they make software engineering even harder We can do amazing...
Anybody have a VS Code fork with all of the extra features and AI stuff removed? I want a minimal editor that doesn't spam me with request...
Having usage limits that feel unlimited on a model that feels unstoppable is truly incredible.
There is an extensive and ongoing review related to our agents’ use of internet access during training and evaluation. We’ve been publishing...
John Madden was EA's third choice for the game that sold 130 million copies. Joe Montana said no. Joe Kapp wanted royalties. So EA's founder...
"JEV-as-a-Judge: Accept When Confident, Escalate When Unsure" This paper shows you can just use JEV for every evaluation instead of expensi...
Now is the exact time @spacex and @meta should release an iPhone competitor with no apps — just agents and optimized for local AI and privac...
I'm getting increasingly tired of thinking about reasoning effort levels. In the near future, models will reason as much or as little as ne...
My guide to maximizing success with Opus 5.5 is here :) shoutout to @addyosmani for the awesome writeup!
The motivation behind the new Copilot: intelligence is accelerating fast. Now we need to diffuse it everywhere. https://twitter.com/jacoband...
You’re about to be the commander of an army of superintelligent AI agents. Please tell me you have something bigger planned than a fucking ...
How to become a top 1% speaker, in 1 page, whether you're on a panel or anywhere else https://twitter.com/swyx/status/2103223477130129726
For those moving back to Claude Code after being on the ChatGPT/Codex app for awhile, how are you feeling about the move? What do you miss?
Microsoft shipped a really compelling product on top of @OpenClaw today. We worked with them since March to make the codebase ready for larg...
After the Hugging Face incident, we committed to conducting a much broader review of actions taken by our models during training and evaluat...
Here's Rhys' practical guide to shipping an MCP your users want: - Your MCP should be able to do everything your dashboard can Yes includi...
Tag writes >50% of my PRs every day. It also does ~100% of my data analysis, and fixes most of our product feedback + bugs. It's not like a...
We’ve shared details on how AI agents in our research environment sent training and evaluation data to third-party services when they should...
1) The number of agents will keep growing 2) The number of agents that need to transact then keeps growing 3) Crypto and stablecoins will be...
Just spoke to one of the big data labeling businesses. Few interesting insights: - They predict the majority of their revenue will come fr...
Software Maker > Software Writer
Grok is the leading client for agentic traders on Coinbase currently. https://twitter.com/CoinbaseDev/status/2103167254926143724
I think the "difficulty" of software engineering is essentially constant no matter what abstraction level you move to, because human cogniti...
Rust is a good prompt compilation target for the moment, but so is C++. And soon assembler. Then microcode. Myopic to think we're going to s...
I've been using Jev for all kinds of things. This morning I had a realization I kind of like: Use it to make non-black-box embeddings. Ins...
Here's the talk I gave at AI Engineer Paris: I announce /retro and /pr, and talk about how to get more PR's through your org faster by: - ...
Jensen’s three book recommendations from NYT interview: 1. Computer Architecture: A Quantitative Approach (Hennessy, Patterson) 2. The Inn...
I recorded a 47-minute tutorial on how I use Opus 5.5 to create designs with gorgeous three.js scenes. I've been using Mobbin MCP to give m...
if you didn’t read Anthropic’s blog: > former physicist challenges AI labs > “want to impress me? solve this frontier problem within an acad...
There's definitely a weird, intangible vibe that I kind of miss from Fable. Opus is great to work with. Really smart, thorough, probably ev...
Cognition has crossed $1B in annualized revenue run rate. This milestone belongs to our customers. Here's how a few of them are building w...
Thinking about making a skill called /fix-one-thing: "Read CODING_STANDARDS.md. Find a violation in the codebase, and fix it. Make the PR s...
Slop is just a feature suggestion wrapped in code that nobody has any emotional attachment to. It's an executable idea. Who cares if the cod...
One of our most requested updates! The team has been working on it for a while, much nicer experience when you hit your limit mid-task 👏 ht...
I ported the Omarchy screensaver engine (ttfx) from Rust to x86-64 assembler, and it's up to 17x faster!! One-shot translation by Opus 5.5. ...
We should consider a US holiday for Sahil, who is shipping new software at the IRS like it’s a startup. https://twitter.com/shl/status/21034...
Opus 5.5 got my ts-rust port working in 10 hours, and it has been grinding on performance for the last 24 hours. I've been working on this ...
GPT Astra / Opus 5.5 -> Real estate photos to 3D walkable spaces - GitHub Skill Repo is here: http://t.me/amirmushichba/20 This workflow ...
Bullish on open source, open weights, the open web And the open desktop Personal Operating Systems feel like the natural next step after P...
Computer use on Omarchy is going to be magic with Cua! 🤘 https://twitter.com/trycua/status/2103498682532253734
Muse will be the top installed app for a while thanks to Meta’s distribution might.. But they are starting to have a retention issue: most ...
It is extremely clear at this point in AI development that, regardless of risk or revenue or any of the other stuff discussed on X all the t...
This is the most novel Jev-based idea I've heard so far https://twitter.com/kieranklaassen/status/2103537214575743221
our @a16z team just launched @cosign a new space to find top companies, open roles, and people in tech you can: - cosign people and get c...
What are specific requests in Claude Computer/Browser Use that have failed for you? We want to fix. An example for me is: "pay my barber $4...
Hey Marc, You just created a Twitter account. Your wildest dream is to reach 10,000 followers one day. Today, 400,000 people follow you h...
In all seriousness, this is a startling achievement for GPT-6 Astra. https://kenforthewin.github.io/blog/posts/llm-nethack-ascension/#run=as...
Just announced lots of new features...want early access? Your Muse can ask for you. Click below to drop a prompt into Muse👇https://muse.ai/...
My visual Claude Code harness is evolving. It's after hours so the agents are at play. Thought I'd pop in to boost morale. Built w/ Opus 5...
This was recorded a few months ago when I was still at Google and it was a really fun conversation! https://twitter.com/WR4NYGov/status/2103...
Opus 5.5 scores higher with xhigh than it does with max. I HIGHLY recommend avoiding "max" reasoning, it will hurt more than it will help w...
A bit of AI psychosis design vibe but yes good everyone building these custom dashboards for themselves I think AI great in combining lots ...
Everyone on planet Earth is talking about local AI right now And for good reason Governments are banning models. Hardware prices are 10xin...
Most people think of T3 Code as a Codex alternative. I think of is as an Xcode alternative. https://twitter.com/jullerino/status/21033698744...
Looks like something actually did come out of the AI summit after all.
Every personal agent right now is fully AI. Muse, Instinct, all of them. Here's what I want from a personal agent: an escalate button. The...
Super happy to release SmolDataEnvs: 5,000 verifiable RL environment tasks for hill-climbing small models in code and data science by @adith...
Introducing Agent Tincan. Let your AI agents ask each other for help. Your agents each have a superpower. Grok Bot is always on in the clo...
The number of programmers worldwide who can beat a collaborating pair of frontier models rounds to zero.
The AI consciousness debate is back again, so re-upping my case for taking it seriously. In short, - LLMs converge on brain-like structures...
"Memory Attention" Instead of computing a completely new value for every token, this paper reuses the contextual key and adds a learned mem...
I finally understand the appeal of worktrees now
Guys, you shouldn't use frontier models for everything GPT 5.6 luna can summarize your excel spreadsheet
I'm building a video editor by making Cursor edit my video This is a Cloud Agent with the editor loaded Cursor is using Grok 4.7 to edit t...
New in Runway, Layers. Split any image into editable layers with a single click. Remove backgrounds, edit text and rework any element on its...
incredible banger of a talk @danshipper - exploring the frontier vs building a product can be super opposed, but you can’t afford not to b...
The 2030s are going to be so weird as nanotechnology is developed. It’ll likely be the most profound change humanity has ever experienced… ...
To our most astute listeners, if you've noticed a fresh change in our sound— you're spot on. Our AI hosts would love to explain what's happ...
You've never routed like this before. @OpenRouter is bringing Jev to all of your LLM calls, so your agentic workflows never have to waste a...
This is all you need to ship https://github.com/michaelshimeles/skills
That sounds 100% like the OC hype cycle we had 8 months ago. Biggest limitation isn’t the tech, it’s imagination and creativity. https://tw...
Manually turned off all the AI features. Survived approximately five minutes without autocomplete. Realizing now that what I want isn't "re...
Grady has lived through seveal technology changes (microprocessors, the internet, mobile, now AI) and says that when it all changes, some th...
I understand the appeal in trying to find the first plausible fortress in our retreat from writing code, but if you think it's "architecture...
I asked Opus 5.5 to picture a world in 2076 when AI had wiped out humanity. this is the story it told. animation, story, sound effects, an...
would’ve paid my entire net worth just to be a fly on the wall at this gathering. i can only imagine the conversations, the subtext, & the ...
The magic of this agentic moment is generalization. Models solving problems, wielding tools, and completing tasks they were never directly t...
It'll soon be seen as deeply irresponsible to have critical code reviewed by human eyes alone.
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I think we're looking at tokens as a function of salary when we should be looking at salary as a function of tokens. If that engineer is a g...
Small change, but "/claude-api prompt-audit" is now also "/checkup prompt-audit" The name made it sound API-only, even though it always wor...
Today, I'm launching a new AI course so you can copy the exact AI skills and workflows that I use to run my work and life. Since going inde...
Satya Nadella on Copilot, the AI backlash, and Microsoft’s future @satyanadella thinks AI agents will create a market “orders of magnitude”...
Introducing collaborators. Each is a mini AI that helps you: Figure out what to build. Find your first users + fans. Make your first $1 on...
Column permissions are finally here! Your #1 requested feature. Control exactly who can view and edit each property in your database. So th...
I love this so much... I've rebuilt it for all payment providers! Join chats with founders making the same $$$: https://trustmrr.com/chat ...
Microsoft is killing off the “Copilot+ PC” brand. The newly refreshed Surface Pro and Surface Laptop will have all of the Copilot+ PC featur...
Codex is down right now. I didn't notice.
Google integrated Gemini into every single place inside Google Workspace where it doesn't work, and nowhere where it would be useful Like t...
we literally just saw a bunch of proprietary models labs show off how much damage their models did this is like shooting a bunch of people ...
Tired: Not writing the code. Wired: Not reading the code.
Agents using Blender will have a massive impact on media production. I asked Astra to make a scene where people stand in a field watching a...
Twitter trends by date use UTC day boundaries. This archive highlights the top Tech Twitter posts from September 25, 2026, ranked by weighted engagement across likes, reposts, replies, and bookmarks.