Twitter Trends September 22, 2026

Introducing Claude Opus 5.5, the first model in our new Claude 5.5 family. It performs at the level of Claude Fable 5.1 for most tasks, and...

Please welcome GPT-6 Sol and GPT-6 Luna to the GPT-6 universe. GPT-6 Sol and Luna build on the advances behind GPT-6 Astra, bringing much o...

GPT-6 Sol and Luna are out. Not only are they a very significant improvement across the board, but also in writing and general "you know whe...

We have been focusing on efficiency and intelligence for all. Very proud of the team. Only possible when you have incredible models at the...

Bot detection & human verification will be one of the most urgent demands for businesses over the coming years. Agent swarms will suffocate ...

It’s a big day for the Mac! Mac mini and Mac Studio provide a huge leap in performance, especially for AI.

My lord, three IPOs are worth more than… all IPOs in the last 45 years of tech 🤯

GPT-6 Sol and Luna are big improvements on intelligence, alignment, work output, coding, computer use, and more over their 5.6-family predec...

People outside the AI labs should have a real say in how this technology develops, and a clear way to judge if it's happening safely. Stand...

Opus 5.5 is the result of your feedback. It communicates clearly, it's cheaper per token than Opus 5.0 with the intelligence of Fable 5.1...

GPT-6 Sol and GPT-6 Luna, it’s your time to shine. Rolling out today in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise, and Edu...

Apple has updated the Apple Music logo

Introducing The Horowitz Andreessen Academy.

A thread of early explorations with Claude Opus 5.5: A short story about a watermelon created by @kevin_t_ngo.

Apple opens Apple Music Hall, a brand‑new live music venue in London.

We want the OpenAI API to feature the best model at every price point and to be the best at every modality (text, code, image, video, etc). ...

Opus 5.5 is a really good model. It's been my daily driver the last few weeks. We had Opus 5.5 and Fable 5.1 each port HAProxy from C to Ru...

Grok 4.7 just released and it's an EXCELLENT model It was trained FOR Grok Bot Meaning this is a fully agentic model trained to do your kn...

Glad to see this finally ship. It was abundantly clear to me that basically every retail narrative starts on X—yet the insights were never ...

Thrilled to announce @alibaba_cloud as a Founding Corporate Patron for the Omacom Foundation! $3 million in funding, collaboration on Omarch...

Opus 5.5 is here! 🎉 It's honestly such a nice model to work with. Feels like Fable, but ~30% faster and ~40% cheaper per task than Opus ...

if you wanna know how long we've been working on muse, here's an excerpt from a doc that i wrote for the meta board a year ago in sep 2025 ...

kit finally finished the blog post he covers how OpenCode 2.0 is able to modify everything about itself in real time even during running se...

I now type "use big pictures and few words" several times a day

Today we’re launching Worker Previews. Each Git branch gets a production-like place to run, with its own code, configuration, URL, observabi...

Remember when the point of the $200/month coding subs was "practically unlimited"? I miss those days.

Today we're beginning to roll out 𝕏 Numbers, a brand new way to let anyone contact you on 𝕏 without needing to follow each other or accept...

Especially compared by per-task pricing, which is the metric that should matter, I don't think there is anything competitive anywhere in the...

Cognition is giving away 50 $200 Devin Max plans to celebrate the new model launches! ⚡ Now available in Devin: • GPT-6 Astra, Sol, Luna +...

Grok Bot just released for Tesla and I'm blown away I was lucky enough to have early access. Having your car drive you around while you tal...

Francis Fukuyama on AI and the loss of thymos. https://x.com/AndrewCurran_/status/2102205445884755975/photo/1 https://twitter.com/FukuyamaFr...

A software engineer is now a 100x engineer A non-engineer is now a 1x engineer

GPT-6 Sol and Luna are great models but also these characters are so cute https://twitter.com/OpenAI/status/2102460975790137662

I let Grok Bot manage my YouTube channel... and it's better than I am! 0:53 Automating tagging with @Bot 1:40 How the Bot works 2:38 Figma ...

Grok 4.5 was an incredible model for the price: fast, pleasant to use, reliable, solid default model. Grok 4.6 was a (forgivable) step in t...

for a startup founder right now the paradox is that this may be the best & worst time to start a company. the opportunity surface is basica...

Opus 5.5, GPT-6 Sol and GPT-6 Luna all in a day?? Damn

Maybe our cutest launch so far. But still packing the biggest punch. https://twitter.com/OpenAI/status/2102460975790137662

Pro tip: Install this new evals skill from @HamelHusain and @sh_reya, it'll save you many hours and a lot of mistakes https://github.com/ai...

We rebuilt customer support around Grok Bot to scale our operations without adding headcount. It works autonomously to respond to customers...

BREAKING: Anthropic just dropped Opus 5.5—and it’s pulling some of our recent Codex converts back to Claude. We’ve been testing it at @eve...

BREAKING: Activision is taking over Halo as part of a massive Xbox shake-up and more layoffs. Sea of Thieves developers Rare are moving to A...

We just shipped Quiver 2.0 in @paper This is the best SVG generation possible, it's an incredible leap forward • Much faster AND better q...

We haven't forgotten about Grokipedia. v0.2 will be better than ever.

AI doomers say if we build AI we might die. But they have it backwards: 165,000+ people already die every day. Cancer, heart disease, illne...

I just realized Opus 5.5 can use Blender to make claymations with just a single prompt in claude dot ai now

Claude Opus 5.5 is now available in Cursor! It's the new top model on CursorBench at 57.8% (Max) and costs 40% less per task than Opus 5.

As part of our efforts to pace the frontier, we’re committed to supporting independent assessments with deep levels of access across trainin...

opus 5.5 = personality of opus 4.6 that we all *desperately* wanted back + the intelligence & taste of fable 5.1. and a 25% usage bump! i ...

The tweet below got enormous pushback at the time I posted it, more than 5 years ago. But this prediction is looking obvious by the day now....

Startups are naturally good at this; it is hard to keep a bigger company good at this and i think an underexplored space. https://twitter.co...

In the last 2 years, web traffic to news sites has fallen by about 28%.

excited to announce that we are the first ai company to solve alignment https://justice.kitlangton.com

Opus 5.5 is SMALLER than Opus 5?? Did Anthropic massively level up their post training? Huge.

Introducing Perplexity Research Fellowship: a program for early-career researchers, engineers, and analysts from any technical or quantitati...

The internet made it possible to know anything. AI makes it possible to do anything. That changes what it means to be educated. And it deman...

exciting news!! we’re partnering with @PayPal to enable customers to seamlessly shop and checkout online with @Muse across all PayPal merch...

I asked Opus 5.5 to try a bunch of redesigns of my personal website using my MAX sub, using workflows to iterate and critique. I was really...

I've been using Opus 5.5 over the last week and ran a TON of tokens through it. I can tell you it's def on the fable level It's VERY good...

yesss you get a limit reset! just make sure you've actually used up what you have left before you use it haha. happy building!! 🧡 https://t...

MiMo-V2.6 is "simply" the best (for now). Despite its simple architecture design it's currently No.1 in the open-weight benchmarks (weighted...

I hear this a LOT from panic-stricken devs: "I've inherited a vibe-coded codebase, how do I save it?" Either from devs who have stopped ca...

Announcing The Horowitz Andreessen Academy. The internet made it possible to know anything. AI makes it possible to do anything. The best ...

You can literally build your own personal agent platform with a Vercel, Daytona, Convex and Composio API key. Just tell astra to build you m...

Opus 5.5 feels like chatting with a way smarter Opus 4.6. I’m so happy.

Been pushing Opus 5.5 hard all day and it's barely making a dent on my usage limits. Impressive!

President Trump announced that he is changing the name of Artificial Intelligence to Super Intelligence. I transcribed this live from his ad...

how it feels to still have friends who aren’t on muse yet

Love the tastefulness with which anthropic ships. Main reason I got excited about 'headless' for the web is that any given page could take...

Evals have been coming up more and more in my conversations with podcast guests and PM friends. Nearly half of the 25 awesome PM job openin...

Hot take: this is what pacing looks like. None of today's releases were Astra or Fable tier. This is intentional. The point of "pacing" is...

AI is getting cheaper more quickly than any other transformative tech in history. At a given level of performance, cost has fallen ~47%/quar...

One day some mid-level Amazon PM will suggest changing this beautiful Kindle icon. He will make $300k/year but has no marketable skills beca...

muse's native instagram access opens up some ridiculous possibilities and its perfect timing for me since i've been IG-maxxing lately (0 to...

Switching effort mid-session on Opus 5.5 doesn't break your prompt cache btw! Just make sure you're on Claude Code v2.1.280+

I think we're in for a rude awakening in the ad markets: If a huge part of your business is showing targeted display ads to humans what hap...

This looks straight out of Blender, but it's all code in a single HTML file at about 186 KB. Astra can create these ultra-realistic 3D prod...

I had Opus 5.5 recreate the city of San Francisco in Unreal Engine. I powered everything in it (people, pets, cars, traffic, literally eve...

we are considering opening a muse merch store i am doing market research how excited you would be by muse merch, from a scale of "meh" to ...

BREAKING: a16z Launches The Horowitz Andreessen Academy with $42M in Funding Yes, a school. The Academy is an unaccredited, residential al...

michelle embodies this as much as anyone openai is so, so lucky to have benefited from everything she has done so far and i think people wi...

Did a few quick tests and these seem very very legit. 2.6 Pro in particular is doing well in some pretty hard tasks. https://twitter.com/xia...

before ai you would - write some code - it works, ship it - few months later you'd realize it was bad - you'd refactor it - repeat not sur...

this may not be a shocker but muse is actually insanely good for managing your social media https://twitter.com/startupoppa/status/210225237...

i might be addicted to making games now

I was an early tester of Opus 5.5. My biggest takeaway was that they've really fixed the writing. I haven't seen a Claude write in such a st...

"Moats" are the most BS thing in startups. No such thing exists when you start. Google, Apple, Meta can always "just build it". Defensibil...

Xbox is merging its Forza developers into a single studio. Playground Games and Turn 10 Studios staff will now focus on Forza Horizon and Fa...

Jev makes it easy to add natural language intelligence into the key parts of any application at scale, far cheaper and faster than has ever ...

Using Opus 5.5 feels like hitting every green light on your drive home, drinking a cold glass of water when you're thirsty, and a hot shower...

Announcing the 2026 ETN100, the 100 most influential tech posters on X https://www.etnshow.co/top-100

The personal agent is about to become the most valuable piece of software real estate since the iPhone home screen.

Microsoft is planning Xbox layoffs today https://www.theverge.com/news/998622/microsoft-xbox-layoffs-studio-changes-rumors

GPT-6 Sol and Luna — faster, more affordable models with the advances behind Astra’s SOTA performance in professional work, factuality, codi...

We have seen such an immense swell of demand that we have to temporarily pause signups for Jev. We need to ensure quality of service for our...

Xiaomi just dropped Mimo 2.6 Pro which claims to be the best open source model. I played with it, and was pretty impressed: - Insanely chea...

I've been on a Blender kick with Opus 5.5. Its better 3D modeling and vision mean you can build an entire world from a single prompt. Histo...

Opus 5.5 being the absolute best model on the planet AND being cheaper than Astra/Fable was not on my bingo card.

Thrilled to announce our latest incubation: Horowitz Andreessen Academy. Horowitz Andreessen Academy will be a two-year residential program...

"Grok 4.7 will be the 2.1T model released a few weeks later. This will be better than 4.6 in every way, except slightly slower to serve, alb...