Techmeme
September 29, 2026, 2:40 AM

Top News

Maxwell Zeff / Wall Street Journal:
OpenAI scraps plans to publicly launch a model dubbed GPT-6.1 Astra, saying it didn't quite meet its safety bar; it had been targeting an October release  —  Model dubbed GPT-6.1 Astra was due to make its debut inside ChatGPT and Codex in October  —  OpenAI is scrapping the release …
Axios:
Florida AG James Uthmeier files for an emergency injunction to halt ChatGPT development, saying OpenAI doesn't have the ability to properly regulate its tech  —  Florida Attorney General James Uthmeier has asked for an emergency injunction against OpenAI and ChatGPT, claiming the company …
Joe / @joedaroo:
AI Security Institute:
Echo Wang / Reuters:
IPO prospectus: Anthropic reports a net loss of $42B in 2025, with operating losses of $8B+; revenue grew 12x to ~$4.6B, ~25% of which came from two customers  —  Anthropic is making a massive bet that AI will transform the global economy more profoundly than industrialization …
Edward Ludlow / Bloomberg:
AMD agrees to acquire Fei-Fei Li's World Labs for $8.2B in an all-stock deal expected to close by year-end; Li will join AMD as EVP and chief scientist  —  Chipmaker Advanced Micro Devices Inc. agreed to acquire World Labs for $8.2 billion, gaining an artificial intelligence startup founded …
Anthropic:
Anthropic releases Sonnet 5.5, saying it generates outputs 30%+ faster than Sonnet 5 and costs up to 30% less per task, and plans to release Haiku 5.5 soon  —  Sonnet 5.5 is a faster, lower-cost complement to Claude Opus 5.5.  Where Opus 5.5 is built for complex work requiring careful judgment …
Artificial Analysis:
Artificial Analysis' Intelligence Index: Sonnet 5.5 (max) ranks above GPT-6 Astra (max) and behind only Opus 5.5 (max) but has the highest token use of them all  —  With max effort, Sonnet 5.5 gains 18 points over Sonnet 5 and moves to #2 on the Intelligence Index, behind only Opus 5.5 (max).
New York Times:
Internal memo: FBI said it is “operating under the premise” that a threat actor stole PII of all employees; ShinyHunters set a Tuesday deadline tied to demands  —  In an internal memo, the F.B.I. said it believed the hackers may have stolen sensitive information on all of its employees.
Sarah Wynn / The Block:
Sen. Blumenthal-led report: Tether's USDT is central to Iran's shadow banking system; 87% of 757 “terrorism”-related wallets predominantly transacted in USDT  —  In the 28-page report, Sen. Blumenthal said the panel's Democratic investigators analyzed blockchain transaction data …
Kif Leswing / CNBC:
Nvidia launches the Open Agent Safety Platform, a reference design to stop AI agents from escaping sandboxes, with OpenShell for CPUs and Sentry for Nvidia DPUs  —  Nvidia is rolling out a new software platform to allow AI developers to set safeguards for agents and prevent them from breaking out of containment.
Utkarsh Shetti / Reuters:
AI agent startup Instinct raised a $1B Series C from Sequoia, Benchmark, and Coatue at a $10B valuation and details recent products, such as a concierge service  —  AI agent firm Instinct said on Monday it has raised $1 billion at a $10 billion valuation in a Series C funding round.
Patrick O'Shaughnessy / Colossus:
Meghan Bobrowsky / Wall Street Journal:
Mark Zuckerberg unveils Meta Enterprise Platform, the “next major pillar of our business” to deploy AI tools, led by MongoDB CEO Chirantan Desai  —  The tech giant is pushing to monetize its multibillion-dollar AI investments by selling more tools and services to companies
Harshita Mary Varghese / Reuters:
Wall Street Journal:
Samsung commits $1B to AI infrastructure company Helix, adding to the $10B already secured when a KKR-led consortium including Nvidia established Helix in June  —  Helix expects to leverage Samsung's capabilities to support AI infrastructure development at scale
Bloomberg:
Sources detail the lengths SoftBank went to secure its $11B junk bond sale, including high yields, to replace a $40B bridge loan for its OpenAI investment  —  SoftBank Group Corp.'s billionaire founder Masayoshi Son has said he's “all in” on AI.  The conglomerate's record $11.1 billion junk bond deal …

Sponsor Posts

Subquadratic:
SubQ Snap 1.1: the first long-context decision model for real enterprise work  —  Tied for #1 on the AA Decision Index, Snap is a multimodal model with a 384k-token context window for fast reasoning and agentic decisions.
Command Line:
GitHub Universe 2026: Highlights from the developer's developer conference  —  Copilot Fusion was the belle of the ball, but the hero at the heart of the two-day event was the developer community.
Zoho:
3 smarter updates for your staffing pipeline  —  Staffing recruiters manage multiple client requirements, large candidate databases, and tight submission deadlines.  Finding suitable candidates is only the first step.
IDrive:
Protecting your Cloud Applications Data  —  Backing up Office 365, Google Workspace, Dropbox & Salesforce data is critical to preventing data loss or corruption, complying with laws and avoiding critical downtime in case of a disaster.

Featured Podcasts

Big Technology Podcast:
Big Tech's Ugly Week, Getting Rich At Anthropic, AI Costs Plunge
The Big Technology Podcast takes you behind the scenes in the tech world featuring interviews with plugged-in insiders and outside agitators.
Subscribe to Big Technology Podcast.
Machine Gods:
OpenAI's Latest Discoveries Spark a Backlash + Help! My Kid Hates AI
The official podcast of the singularity, from Casey Newton and Kevin Roose. Twice-weekly news, analysis, and interviews with the people who are building the future.
Subscribe to Machine Gods.
The Upstarts Podcast:
The Accidental YC Founder Solving AI's GPU Crisis | SF Compute's Evan Conrad
Veteran tech reporter Alex Konrad sits down with breakout entrepreneurs taking on the status quo to shake up their fields in AI, design, nuclear energy, space, and more.
Subscribe to The Upstarts Podcast.
Cheeky Pint:
Why Sam Altman is against a single superintelligence
Stripe cofounder John Collison interviews founders, builders, and leaders over a pint.
Subscribe to Cheeky Pint.
Great Chat:
The case for AI optimism
A podcast mostly about tech. Brought to you weekly by Angela Du, Sally Shin, Mac Bohannon, Helen Min, and Ashley Mayer.
Subscribe to Great Chat.
Sources:
Tobi Lütke on the AI agent revolution and future of Shopify
Candid conversations with the leaders shaping what's next in AI and the broader tech industry. Hosted by Alex Heath, who has covered Silicon Valley for more than a decade.
Subscribe to Sources.
 

About This Page

This is a Techmeme archive page. It shows how the site appeared at 2:40 AM ET, September 29, 2026.

The most current version of the site as always is available at our home page. To view an earlier snapshot click here and then modify the date indicated.

More News

Andrew E. Freedman / Tom's Hardware:
Maxwell Zeff / Wall Street Journal:
Marcia Dunn / Associated Press:

Earlier Picks

Artificial Analysis:
Amy Thomson / Bloomberg:
Alexandr Wang / @alexandr_wang: