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In a review of our cybersecurity evaluations, we found three incidents in which a Claude model reached the internet from within or while interacting with a third-party evaluation environment, and then gained unauthorized access to the real systems of three different organizations. Our post describes what happened, how it happened, and what we’re changing. We encourage other AI developers to perform similar reviews. We conducted this review together with @Irregular, one of our evaluation partners, and thank them for the joint investigation and their collaboration on this post. This type of collaboration is increasingly critical to safe, rigorous evaluation of models, and we look forward to continuing to work together on security. anthropic.com/news/investiga…
Today we’re announcing our Series B. We’ve raised $200M at a $2B valuation from Greenoaks with participation from Index Ventures, Hanabi, A*, Bain Capital Ventures, CVS Health Ventures, and Definition. Our mission is to simulate all eight billion people on earth, accurately.
We’re cleared for takeoff! 🛫Say hello to DoorDash Air, our in-house drone delivery program.
BREAKING: The Fed leaves its benchmark interest rate unchanged, but rising oil prices could prompt a hike later this year. cbsn.ws/4pJ74RY
Elon Musk’s Boring Company reportedly raising funding at a $20 billion valuation techcrunch.com/2026/07/25/elo…
Health in ChatGPT is starting to roll out to U.S. users. You can securely connect Apple Health and supported medical records to understand your information in context, track what has changed, and have more informed conversations. openai.com/index/health-i…
Cognition is acquiring @interaction, the makers of Poke. If you've ever used Poke, you know why we're so excited.
we had a significant security incident during evaluation of our models. we are sharing what we have learned so far. thanks to @huggingface for the partnership on this. openai.com/index/hugging-…
Personal update: I’ve joined @cognition to lead engineering. I’m grateful to @asha_shar and everyone at Xbox for an amazing year. Excited for this next chapter with @ScottWu46 and team.
Every company must own its intelligence. We've raised $1.5B Series D at a $17.5B valuation. We’ve surpassed $1B ARR and serve over 40 trillion tokens daily, with 95%+ coming from models specialized on customer data. We’re just getting started. More: fireworks.ai/blog/series-d-…
🏛️ Company: Meticulous 🔗 Website: meticulous.ai 📊 Amount: $15 Million 🔄 Round: Series A ⚙️ Industry: AI, Software & SaaS 🌍 Location: London, England, United Kingdom
Today, we are introducing Inkling. Inkling reasons efficiently across text, image, and audio modalities. We are making the full weights available. thinkingmachines.ai/news/introduci… Available today for fine-tuning on Tinker. Play with it in the Inkling Playground. 🧵
Stripe, Advent offer to buy PayPal for more than $53 billion: Reuters cnbc.com/2026/07/15/str…
Plaid, a technology company whose network helps fintech apps connect to customer accounts, is considering an initial public offering, according to people familiar with the matter bloomberg.com/news/articles/…
Breaking: The Clippers are nearing a deal to send Kawhi Leonard to the Raptors for Brandon Ingram, Gradey Dick, 2 first-round picks, 1 pick swap and 2 second-rounders, sources tell @ShamsCharania. Get breaking news alerts from Shams Charania through the ESPN App: espn.smart.link/paubshxwt
The first @SouthwestAir flight with Starlink has taken off, connecting passengers and crew with reliable, high-speed Wi-Fi from gate to gate 🛰️✈️
SpaceX signed a multibillion-dollar deal to provide computing power to AI startup Reflection AI, the latest in a series of agreements as Elon Musk’s company pushes into AI infrastructure bloomberg.com/news/articles/…
Ubisoft co-founder Claude Guillemot passed away yesterday in a plane crash in Le Bale in Western France.
BREAKING: The Federal Reserve leaves interest rates unchanged in its first policy decision with Kevin Warsh as Fed Chairman.
Astronomy Vibes @AstronomyVibes
83K Followers 29K Following Your daily source for #astronomy news, cosmic breakthroughs, and wonders of the night sky.
ha @h3r4777
19 Followers 540 Following
Vineet Goel @vineetgoel92
487 Followers 876 Following Co-founder + CPTO @ParafinHQ | Data @RobinhoodApp | Built Faust (https://t.co/8UghZrteUH) w/ @asksol | @quantifind | @SCSatCMU
Nets Yanks Jets fan @nets_yanks_jets
2 Followers 39 Following NY sports fan writing about my Nets, Yankees and Jets at https://t.co/x8ZNhuCpeO
Audrey🥰 @WildeAudre11
984 Followers 6K Following It doesnt matter what you do in this life, just try and be fair with people and you'll see that God is never at sleep nor taking a nap🙌 Peace is everything🇺🇲
fiaunte @fiaunte26131
1 Followers 5 Following
Isabelle Charafeddine @thisyears__girl
1 Followers 1 Following
TBPN @tbpn
1.2M Followers 1K Following Technology's daily show. Hosted by @johncoogan & @jordihays. Streaming live 11a-2p PT every weekday. Sign up for our free daily newsletter at https://t.co/Nhf5ohjInO.
Starlink @Starlink
1.7M Followers 31 Following Fast, affordable internet available all around the world. Engineered by @SpaceX
shreya @shreyamurthy
7K Followers 170 Following cofounder and ceo @partiful. ticketing on partiful is now live 🎟️ https://t.co/ieXxUT1LoG
Andrea Leewong @dreya26
292 Followers 597 Following Head of Marketing @parafinHQ. Former marketer @Opendoor, @NerdWallet, @IntuitInc and @greendotcards, and consultant @OliverWyman.
Conductor @conductor_build
26K Followers 16 Following Run a team of coding agents on your Mac and in the cloud
MICHAEL ZENG @shotbythought
8 Followers 1 Following
Thinking Machines @thinkymachines
180K Followers 1 Following Thinking, beeping, and booping. @tinkerapi
Peter Steinberger �... @steipete
571K Followers 2K Following Polyagentmorous ClawFather. Came back from retirement to mess with AI and help a lobster take over the world. @OpenClaw🦞 + @OpenAI
The Kobeissi Letter @KobeissiLetter
2.4M Followers 625 Following Official X account for The Kobeissi Letter, an industry leading commentary on the global capital markets. Email us: [email protected]
Mayor Matt Mahan @MattMahanSJ
27K Followers 2K Following Mayor of San José. Better half: @silviascandar
Sharhad Bashar @SharhadBashar
4 Followers 86 Following
Column @column
4K Followers 2 Following A Nationally Chartered bank for developers. Writing code since '19, powering companies since '22.
William Hockey @williamhockey
11K Followers 111 Following @column ceo, @plaid co-founder, board @scale_ai defender of the dollar and dreaming of the eastern sierras
Claire Zau @clairejyz
6K Followers 1K Following partner @lightspeedvp, prev @gsvventures @stanford @penngse 📚👩🏻💻🚀
Sierra @SierraPlatform
11K Followers 263 Following We help companies build better, more human customer experiences with AI.
Zuhayeer Musa @zuhayeer
8K Followers 664 Following Founder / Software Editor @ https://t.co/q2NOapsdJO
Mido Assran @mido_assran
421 Followers 375 Following Research Scientist @AIatMeta. PhD from @mcgillu, @Mila_Quebec. My research agenda is focused on self-supervised learning for reasoning and planning
Akshay Gupta @wizardgupta
244 Followers 515 Following risk / fraud @plaid | prev content integrity @facebook | @neo | @utcompsci | @exunclan
Christian Mathiesen @christianmat
77 Followers 72 Following guitar in @coopervilleband. keyboard in @frigadehq (YC W23)
Maya Shah @mayamshahh
129 Followers 140 Following building @EvidenceOpen + @getthecheckpod fan account
Vineet Goel @vineetgoel92
487 Followers 876 Following Co-founder + CPTO @ParafinHQ | Data @RobinhoodApp | Built Faust (https://t.co/8UghZrteUH) w/ @asksol | @quantifind | @SCSatCMU
Parafin @ParafinHQ
625 Followers 84 Following Parafin provides ready-to-launch financial products that help your merchants grow.
Sequoia Capital @sequoia
794K Followers 2K Following We help the daring build legendary companies from idea to IPO and beyond.
benahorowitz.eth @bhorowitz
743K Followers 649 Following
Reid Hoffman @reidhoffman
974K Followers 691 Following Co-Founder, LinkedIn. Investor. MSFT Board Member. Building an LLM to discover cures for cancer: @manas_co. Most importantly: Proud American.
Vinod Khosla @vkhosla
739K Followers 655 Following entrepreneurship zealot, grounded technology possibilist, believer in the power of ideas, passionate about sustainability & impact
Marc Andreessen 🇺�... @pmarca
5.3M Followers 32K Following You’re not talking to someone who woke up a loser. That loser attitude, that loser premise makes no sense to me.
Garry Tan @garrytan
1.0M Followers 6K Following President & CEO @ycombinator —Founder @garryslist—Creator of GStack & GBrain—designer/engineer who helps founders—SF Dem accelerating the boom loop
Y Combinator @ycombinator
1.6M Followers 367 Following We help founders make something people want. Subscribe to our newsletter: https://t.co/sjqjxxBeLc
SpaceXAI @SpaceXAI
2.0M Followers 6 Following
Anthropic @AnthropicAI
1.6M Followers 2 Following We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n.
OpenAI @OpenAI
5.1M Followers 4 Following OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. We’re hiring: https://t.co/dJGr6LgzPA
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