OpenAI fired three safety researchers last week: Tomek Korbak, Mikita Balesni, and Jasmine Wang. In an open letter to management, the three said they were dismissed for putting safety ahead of the company's short-term interests.
Excited to support the Genesis Mission @WhiteHouse @ENERGY and Director @mkratsios47 with $150M in investments this week. Looking forward to collaborating on the future of science! https://twitter.com/mkratsios47/status/2108212523186966746
Google and Beth Israel Deaconess Medical Center published an AMIE study in The Lancet, described by Sundar Pichai as the first prospective study of patient-facing conversational diagnostics in a real clinic. In urgent care testing, clinicians said AMIE's summaries helped them prepare for visits in 75% of cases and influenced their approach to care in more than half; its differential diagnoses matched doctors' final diagnoses 90% of the time.
Why it matters: A prospective clinic study of a patient-facing conversational diagnostic system, with clinician-reported preparation and diagnosis-agreement figures from real urgent care visits.
Anthropic launched a new service called OSS Scanner. Open-source projects can opt in to receive free, periodic security scan reports generated by its most capable models, including Claude Mythos.
The author used ML-intern in HuggingChat, describing the requirements in prompts, to build six models in two days and publish them to the Hub, at a total compute cost of about $103. One project distilled the 9B prompt rewriter for Qwen-Image 2.1 into a 0.8B version that runs on a CPU, with a 99.7% valid-output rate and about one-quarter of the teacher model's token usage. The author published all seven prompts and recommends asking for baseline comparisons, smoke tests, and a budget cap.
Why it matters: The author built six models in two days with ML-intern and published all prompts and cost details, offering an approach others can adapt to their own training workflows.
Artificial Analysis reports that Grok Imagine Video 1.5 Lite ranks #17 on both AA-Video-T2V v2.0 and AA-Video-T2V-Silent v2.0, ahead of Google's Veo 3.1 at about a third of its price. Its median generation time of 60.5 seconds for a 10 second 1080p clip places it on the quality and speed Pareto frontier. SpaceXAI prices 1080p output at $0.14 per second ($8.40 per minute), with availability through the SpaceXAI API, fal at the same prices, and Vercel AI Gateway.
NVIDIA explains how its developers use frontier AI agents, including GPT-6 Astra, with Omniverse libraries to build and refine simulations through natural-language instructions, human review and iterative testing. Examples span warehouse scaling, cable routing, robot asset preparation, autonomous-driving workflows and sensor-based digital twin refinement. One warehouse simulation sustained 30 frames per second with 80 conveyors, 40 arms and 800 boxes during a two-minute test; a robot CAD example used estimated physical properties that were not calibrated against the real robot.
We are launching the Anthropic Cyber Mission, a new initiative to protect critical infrastructure and open-source software. https://www.anthropic.com/news/anthropic-cyber-mission
Carson Gross says programming comes down to two things: solving problems with computers and learning to manage complexity while doing so. He cannot imagine those skills becoming less valuable than they are today, so he believes programming will remain a viable career even as AI tools emerge.
NVIDIA developers are using frontier models such as GPT-6 Astra and Claude Fable 5 to power the Omniverse libraries and build simulation apps from natural-language instructions. Examples include a warehouse humanoid-robot simulator, a Market Street autonomous-driving test environment, digital-twin sensor validation, and a Unitree G1 humanoid hurdle-jumping experiment that succeeded in 64 of 100 simulations.
Epoch AI reports that OpenAI halved the cached-input price of GPT-6.1 Sol compared with GPT-6 Sol. Its measurements also show the newer model handles long prompts faster. The post frames these findings as pointing to a new architecture for GPT-6.1 Sol.
"The invention of the boat reduced the importance of swimming, but enabled the discovery of new lands." Beautiful analogy from @ylecun about the opportunities and changes with AI, in mathematics and in science more broadly.
Extend engineer Bo Lau built a website simulating Elizabeth Holmes's desk, where visitors can open her MacBook, swipe through an iPhone, and operate a Theranos Edison machine.
The California State Athletic Commission issued a cease-and-desist order to startup Rek, which stages human-versus-machine fights. The commission said a September 18 bout between human Frankie LaPenna and a humanoid robot controlled remotely by a person using a VR system constituted an unapproved boxing or mixed martial arts event. Rek CEO Cix Liv posted the letter on X on September 30. Rek plans to hold a fight between two armed robots this Friday.
Astrophysicist Brice Ménard worked with Claude Science to create the first complete map of the ultraviolet sky. Astronomers had already mapped the whole sky from radio waves to gamma rays, but large areas had never been observed in ultraviolet.
Jasmine Wang, Tomek Korbak, and Mikita Balesni, three safety researchers fired by OpenAI last week, published an open letter denying the company's allegations that they mishandled sensitive information and warning that the firings could create a chilling effect inside the company.
Cursor’s /visualize answers follow-up questions with a new chart in the same chat. The first chart usually raises the next question. Ask it in the same chat. https://t.co/NPdqP4c46r https://t.co/YSOJY8NG17 The quoted @cursor_ai post says charts and diagrams are available inline in the Agents Window. https://t.co/oDR6jJvAGK
Why it matters: Keeping follow-up questions and new charts in the same chat provides a concrete workflow for exploring questions that arise from an initial data visualization.
Anthropic introduced two beta features for Claude. Dashboards can connect to data sources including BigQuery, Databricks, Snowflake, and Salesforce.
Bring your ideas to life with @claudeai Motion + Runway. Use Claude Motion to animate charts, create customer walkthroughs or create short explainers, then bring your work into Runway to generate videos and images. Learn more at the link below. Quoted post by @claudeai: Claude Dashboards and Claude Motion are in beta today. Ask Claude to turn your data into live dashboards and your ideas into animated explainers.
With Amazon Bedrock AgentCore payments, Incarna lets agents pay BlockRun per call for model inference through the x402 protocol. This reduced the work to add x402 payment support from months to days and brought it into production.
@AndrewCurran_ says that, effective November 12th, 2026, abusive behavior towards Claude will violate Anthropic's Usage Policy. ... 🫠 ... https://twitter.com/AndrewCurran_/status/2108244808494154089
Some researchers in mathematics are calling for a boycott of OpenAI after the company released more than 700 AI-generated mathematical proof files at once. Fields Medalist Terence Tao reposted an AHM statement on his blog, saying the move was a display of power rather than an academic showcase. He argued that once problems are solved at scale by AI, the process cannot be reversed and may contaminate other lines of research.
Why it matters: The backlash in mathematics to OpenAI's release of more than 700 AI proof drafts at once highlights tensions between AI and the academic community over attribution, verification, and pace.
Anthropic updated its usage policy for the first time in more than a year. It now prohibits persistent and needless insults or cruelty toward Claude. Violations may result in warnings, rate limits, restrictions, suspension, or termination of access.
About to go on and talk about how open science can still solve some of the hardest problems facing AI safety and diffusion. The most complex engineering problem humanity has undertaken yet.
Claude Dashboards and Claude Motion are in beta today. Ask Claude to turn your data into live dashboards and your ideas into animated explainers. https://t.co/V3fU4lMnzp
Why it matters: The announcement presents two ways to use Claude for visual communication, pairing live dashboards built from data with animated explainers built from ideas.
Ultrafast is rolling out today for GPT-6.1 Sol in the API, Codex, and ChatGPT Work. OpenAI describes it as offering near-Astra intelligence at up to 8x faster speeds than Sol Standard. https://t.co/Cyy9k2hifV
Why it matters: The comparison with Sol Standard gives developers a concrete speed reference for the rollout, alongside OpenAI’s stated positioning of its intelligence near Astra.
OpenAI released solutions to hundreds of difficult math problems this week, saying it had consulted an advisory group of elite mathematicians, but the work did not fully meet the group's standards. The advisory group on Mathematics and AI (AGMAI), hosted by the Institute for Advanced Study in Princeton, issued guidelines in late September. Its first requirement was to stop testing difficult math problems on proprietary models, while OpenAI explicitly said it was using open research problems to evaluate its proprietary models.
Anthropic updated its usage policy with new rules against election interference, weapon software, and surveillance, and explicitly prohibited prolonged verbal abuse of its models. The policy applies only to extreme cases in which users repeatedly and maliciously attack a model without a clear purpose; it does not cover ordinary user frustration, disagreement, or dark creative themes. It also prohibits using Claude to operate fake accounts, fabricate news outlets, or deceive voters.
At a Google Cloud event, Google announced a unified agent for Gemini that can accept goals rather than just instructions, plan tasks on its own, call custom skills and tools, and connect to internal enterprise systems.
Why it matters: Google is turning Gemini into a unified agent that can be assigned goals and call tools autonomously, launching first for enterprise customers. Readers can use this to assess how enterprise agents are taking shape.
The Financial Times reports that OpenAI told investors its annualized revenue was "close to $50 billion", about $20 billion below the roughly $70 billion figure previously circulated. That earlier figure came from OpenAI investors estimating revenue to make a direct comparison with Anthropic; the two companies calculate annualized revenue differently. Anthropic counts sales by cloud partners, while OpenAI does not.
Arena, a crowdsourced AI model leaderboard, raised $200 million in a Series B round at a $3.1 billion valuation. The round was co-led by Lightspeed Venture Partners and Khosla Ventures, with participation from Salesforce Ventures, 01 Advisors, Dell Technologies Capital, Endeavor Catalyst, a16z, Felicis, and others.
Ben Affleck went viral this week for several interview clips. At GQ and Bloomberg Screentime 2026, he explained concepts including machine learning, neural networks, transformers, tensors, GPUs, and inference, and said he can write Python.
Thank you, @POTUS, for this incredible honor today. I'm humbled to stand alongside so many giants of American innovation and looking forward for what we can continue to do together to advance technology and drive American prosperity. https://twitter.com/RapidResponse47/status/2108257009304822202
SpaceXAI announced that it is joining the Omacom Foundation as a founding enterprise sponsor and donating $1.5 million worth of Grok tokens to Omarchy, David Heinemeier Hansson's Linux distribution. The tokens are intended mainly to accelerate development, code review, and bug fixes.
USA Today and several local newspapers it owns sued OpenAI, alleging that it copied hundreds of thousands of articles without authorization to train AI models, and seeking more than $250 million. The complaint says OpenAI's commercial success is built on large-scale copyright infringement and that it never sought permission to use the content.
Pollo AI uses GPT-5.6, GPT-6 Astra, and GPT-Image-2.5 to help creators turn ideas into detailed images and cinematic video ads.
In recruiting, engineering, and operations, Oracle uses ChatGPT Work and Codex to turn expert knowledge into fast, repeatable workflows, reducing work that once took days to just minutes.
At a Gemini at Work event with 700+ Google Cloud customers at NASA Hangar One, Sundar Pichai introduced a new Gemini agent described as a single, universal agent for work. He says it answers questions, handles knowledge work, creates images and media, and writes and runs code from one prompt box, connected to personal workflows, systems of record and enterprise controls. Pichai lists unified agent, access, persistent execution, multi-agent orchestration, context and model choice flexibility as its core architectural principles.
Why it matters: The post lays out the architectural principles behind Google's new universal work agent, giving readers a first-hand view of how it handles context, orchestration and model choice.
Anthropic released Claude Haiku 5.5. Its OSWorld 2.1 score rose from 15.7% in the previous generation to 72.4%, average operating costs fell by about 75%, and the Haiku line gained adaptive reasoning and a 1-million-token context window for the first time.
Help keep science open. Try Paper Pages: https://hf.co/papers
