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653 trending tweets • September 29, 2026 • Archived daily snapshot
Top Tech Twitter posts from September 29, 2026, ranked by engagement.
Introducing dots, powered by GPT-6 Astra. Remarkably capable, always-on agents built to handle everything.
Hi, Tomorrow we are re-opening the Pro $200 subscriptions to new subscribers, but together with it we are also changing how we calculate th...
this has become one of my most used prompts recently: > restate in your own words what you think my goals are and what the problem i'm tryi...
Your dot is ready to meet you.
GPT-6.1 Sol: near-Astra intelligence for a fifth of the price. It’s the most cost-efficient model for its performance available today.
Introducing 6.1 Sol, near Astra intelligence at one fifth of the price of Astra and 95% cache read discount. It is an absolute workhorse. C...
I’ll explain the new Pro 200 plan differently, before I start live tweeting from DevDay on things that are going out! Today we are going to...
Announcing dots. Dots work 24/7 for you, learn from your feedback, have their own computer, browser and can be connected to over 4k apps in ...
Dots are here! A new way to use AI that works 24/7 for you; get more of your time and attention back to work at a higher level. https://op...
My top 3 skill makers: - @poteto - @dexhorthy - @emilkowalski Always learn a ton from reading their skills.
Impressive. This set of talks, along with the new America dot gov website, has the unmistakable feel of an Apple launch event. They're reboo...
That was yesterday, today is DevDay. And it's all good news. I'm surprised we've kept it all under wraps. https://twitter.com/thsottiaux/sta...
Is there a single reason to use wired earbuds other than larping? https://twitter.com/chriswelch/status/2104560616014791162
I've spend 10+ hrs perfecting how to get the best out of Opus 5.5 for video generation workflow: - Use it with Claude Code, not the app. - ...
DevDay livestream in 2 hours. We built some great stuff for you!
Decisions API, for lightning fast constrained decision making powered by Luna. Supports visual inputs, and tuned to be able to make decision...
1/ muse for small businesses 📊 we found lots of people using muse to run their small business. plumbing businesses, grocery stores, farms...
Why horizontal tabs? Vertical is navigation. Organizational. Hierarchical. A tree. It's "history". You don't need it on screen all the tim...
Dev Day announcement overview, as short as reasonably possible. - Dots: personal assistant (similar to GrokBot, Muse etc) - $500/month plan...
GPT-6.1 is a good model. And it’s unbelievably efficient. Included in all paid plans and on the API today.
We are opening up our platform and you can now build full native apps with plugin extensions, and ship them right in ChatGPT. We have over 1...
Ultrafast is so fast I do not ever want to go back
You can now use your ChatGPT subscription directly in over 16 partners products. No little rules, you can just use all your included usage r...
getting acquired by @nvidia = hugging face can now hire people we couldn't as a small startup and give them a decade to make open-source AI ...
45+ startups hiring in this thread: 1. @turbopuffer - remote, NYC, Sf 2. @convex - SF 3. @fal - SF / remote 4. @firecrawl - SF / remote 5. ...
Live demos suffered from rolling out all the updates at the same time, but were committed to keep doing these live in the future. Almost a...
This is Ultrafast. Our premium speed tier, Ultrafast offers up to 8x faster token generation (300 tokens per second) in Codex and up to 6x ...
You can now use your ChatGPT subscription directly in over 60 partners products. No little rules, you can just use all your included usage r...
6.1 Sol at 1/5th of the price of Astra, and 95% cache read discount! Extremely capable model. https://twitter.com/thsottiaux/status/21049860...
Our biggest DevDay ever, don’t be late. https://openai.com/live
Codex Security Cloud is getting a major upgrade, with access to cyber-capable models through Daybreak Blue included by default. It scans en...
Dots are included in all Pro, Business Premium and Enterprise plans. This includes the Pro 100 plan. We’ll be looking to further expand acce...
You're going to have to deal with the fact that nobody knows exactly what the future role of programming languages and frameworks are. Maybe...
Announcing ChatGPT Space, a collection of new collaborative experiences right in ChatGPT. Edit rich notes with live visualizations togethe...
"if you do the math, it will net out at half the dollar in API spend compared to the old Pro $200 plan." Ooooof. Mad respect for the transp...
Took a while, but here it is, a mega write-up on language models for text classification and, of course, Jev. It's basically a visual guide...
How we think about securing frontier RL training runs: https://openai.com/index/towards-safety-cases-for-frontier-ai-training/
everything is fake - posts on here, ghostwritten - statistics, misleading - benchmarks, bullshit - reviews, paid for nearly every company ...
Launching a new Codex Cloud, much improved from last year. With configurable cloud environments, it’s impossible to go back to building on y...
ChatGPT Space is your new home for creating and collaborating with your team and AI. In Space, you can work with pages—a new kind of intera...
Oh my god, Firebase’s SDK started to crash ALL iOS apps that were using it, for ALL sessions, just like that, no way for any of these apps t...
people are saying nasty things about the new openai rate limits they don't understand how hard the openai (and ant) teams work to provide t...
Yes, you just heard that right. Got @ChatGPT Plus or Pro? That subscription now covers your AI usage in Notion. Just connect your plan, pi...
Sol 6.1 is a great model and an incredible value. Is it as good as Opus 5.5? https://x.com/theo/status/2104992534749647118/video/1 https://t...
super excited to announce plugin extensions today 🎉 you can now use the exact same platform we use to build ChatGPT features like meeting...
I asked Opus 5.5 to find a way to clear my 3D printer’s print bed, so it can experiment non-stop without me in the loop. It took 16 attempt...
Today we’re announcing OpenClaw Enterprise In collaboration with @RedHat , @nvidia and @OpenAI the OpenClaw Foundation is open sourcing a...
GPT-5.6 Sol, Luna and Terra are listed as "Unlimited*" usage on the Pro plan page. It looks like OAI are giving unlimited (*with fair usage...
Muse vs Dots vs Grokbot Zuck vs Altman vs Musk. The battle of personal agents for the masses. Who do you think wins?
OpenAI just announced that the $200 subscription will get half the amount of usage moving forward It’s clear where all of this is going Al...
Full recap of all the announcements https://openai.com/index/devday-2026-recap/
What do you want from AI? We’re launching a new study with Anthropic Interviewer to learn more about your experiences using AI, what role y...
When I made this video, there were no benchmarks yet, so I had to run them myself. Jaw dropped when I saw the Terminal Bench 4 scores. Per...
We've partnered with @OpenAI to bring the new Sign in with ChatGPT experience to Nous Portal. Log into Nous Portal with ChatGPT to use your...
the cardinal mistake the gemini team made when they scrapped gemini 3.5 pro was admitting they scrapped it. they should’ve said it was simp...
Cursor can now build charts and diagrams right in the chat. Use /visualize to analyze data and see the answer inline. Available now in the ...
Token traffic on responses API has increased 100X compared to today last year. Meanwhile the team improved reliability with 99.9% uptime and...
i find it funny how endlessly people debate business models when historically there have basically only been ~three ways to make money. - c...
Turn DiffusionGemma into a Jev-like model. This brings a new level of precision to structured tasks. By seeding a canvas with a response te...
Read this on thread on ChatGPT Space if you only read one thing about it. https://twitter.com/matteing/status/2105024607552172137
We need a proper Starship To Orbit celebration theme in Omarchy! An incredible celebration of life, engineering, and WE CAN FIX EVERYTHING s...
Dev Mode, now in Codex. Available in the Figma plugin.
Incredible work @jgebbia and team Amazing design and agent experience in a US govt product is mind blowing 🤯 https://twitter.com/tylertaew...
Are y'all REALLY making me defend Anthropic again? They made $4.6 billion in all of 2025. They made $11.5 billion from April to June 2026. ...
I'll say the quiet part out loud: GPT-6.1 Sol was not meant to be this cheap. Clearly they cut the price a ton to fight back. Likely also t...
Increasingly thankful for Supabase. Their incredibly insecure defaults make data collection so easy :)
have you tried telling Claude "we have the power to do anything, please be braver" also, have you tried telling yourself
Sonnet 5.5 is an incredible model. You probably shouldn't use it. Here's a video explaining why.
The first excerpt from The AGI Chronicles is out in @TheAtlantic! It's the story of the central beef of the AI era: the feud between Dario ...
I made an interactive map of every passenger rail line in the world. High-speed rail, commuter rail, metro systems, trams, even Disney mono...
I've long wished that online mapping services were far richer and higher-density. They elide so much detail today! We have gloriously high-D...
Working on the Omarchy agents panel. We clearly needed a built-in way to manage multiple subscriptions and an easy way to use those agents t...
you can now talk to grok @bot in chatgpt
Starting today, you can now use your ChatGPT subscription directly in Devin. Just sign in to Devin with your ChatGPT Plus or Pro plan and a...
SpaceX spent the same amount developing and getting Starship to orbit as California has spent on their (nonexistent) high speed rail. Not e...
Over the past 5 weeks, the team completely rewrote ChatGPT Web on top of the desktop app codebase. This was only possible with Astra, and i...
Fei-Fei Li spent years hand-labeling 14 million images, gave the entire thing away for free, and watched it create a multi-trillion dollar i...
btw I got a 6th Claude sub
6.1 Sol!! Astra but cheaper and faster. Post training is solved.
OpenResearch is now available as a desktop app 🖥️ Native builds for: • macOS (Apple Silicon + Intel) • Windows (x64) • Linux (x64 + ARM) ...
How to design and build a harness to reach frontier performance at a fraction of the cost! https://x.com/amasad/status/2104996638817386820/p...
Personal AI is in its Homebrew computer club era but it won’t stay there Truly personal AI will mean you need to own your own skills and me...
my advice to first-time technical founders: 1. assume anyone can build your product today 2. so compete on details, not just features 3. ...
Plugin discovery on ChatGPT leads to massive adoption opportunity. Open ecosystems will win.
"why do people take Theo seriously? he flip flops constantly between OpenAI and Anthropic" Never understood this type of question. I use th...
I’m not at all surprised so many enterprise AI deployments fail. So many things have to go right for an agent to make it to production & if...
Twelve years after launching Universal SSL, Cloudflare is applying to become a certificate authority. By combining an established root, an A...
I upgraded to the $500 plan. Will report back on how it is in terms of usage, esp. with ultrafast
we made an easy way to compare Dot vs all of the other personal agent products! https://every.to/personal-agents-comparison
I built a working StarCraft level with Sonnet 5.5. You play Terran, defending your base against the Zerg: → Build Marines, Siege Tanks, an...
ChatGPT still uses 5.6 Sol?
Artificial Analysis numbers are in! GPT-6.1 Sol is performing at around Opus 5.5 Medium levels for under a third the price. Not bad at all,...
BREAKING: @OpenAI just launched Space, an agent-native office suite. It's a Google Drive–like place inside ChatGPT where you, your Dots, ...
It's been almost 2 weeks since we've launched! And due to overwhelmingly popular request, we're making the datasets released with http://eva...
Recursive self-improvement just shipped as a slash command. Claude Code can now build an evaluation for your app, grade its own grading, th...
One of the most interesting things about startups is that there are exceptions to practically every rule. E.g. it's bad to be a solution in ...
Codegen meets WhatsApp actually makes a ton of sense https://twitter.com/wabi/status/2104721766690222087
it's worth trying space bunny on the same video generation use cases people have been trying opus 5.5 with it's the first open model native...
Practical guidelines on securing frontier RL training, reflecting our current learnings: https://twitter.com/OpenAI/status/21048154095224834...
dozens of new connectors just dropped. Slack, Notion, Figma, Canva, Shopify, Zoom + more. put your Muse to work.
Twitter trends by date use UTC day boundaries. This archive highlights the top Tech Twitter posts from September 29, 2026, ranked by weighted engagement across likes, reposts, replies, and bookmarks.