OpenAI’s GPT-5.4-Cyber ​​rejects the Mythos game rules


Good morning {{first_name| Artificial intelligence lovers}}. OpenAI cyber researcher Fouad Mateen kept his words straight: “No one should be in the business of picking winners and losers” about who can defend their systems.

This is a live snapshot of Anthropic’s Mythos rollout, which includes a whitelist of 40 tech giants. With GPT-5.4-Cyber, OpenAI is going in the opposite direction, betting that arming more defenders trumps restricting access to a handful of giants.

Note: Our upcoming AI Growth Systems training course for non-technical operators launches today, covering everything from competitive intelligence agents to Reddit opportunity hunters across three hands-on sessions. Exclusively for premium and trial members. Learn more and register here.

  • OpenAI counters the Book of Mythos with GPT-5.4-Cyber

  • Nvidia is shipping open source AI for quantum computing

  • Automate your Chrome browser with Gemini

  • Anthropic gives Claude Code a desktop makeover

  • 4 new tools for AI, community workflows, and more

Obinay

Image source: Louvart/Rundown

Rundown: OpenAI only foot GPT-5.4-Cyber, a more lenient version of its flagship model designed for defensive security work – responds to Anthropic’s Mythos release last week with a much broader rollout targeting thousands of certified defenders.

  • OAI opens access to anyone who passes identity checks via Trusted Cyber ​​Access initiativeWhile Mythos is limited For 40+ trusted partners only.

  • The new model can reverse engineer compiled software to identify malware or security flaws, allowing analysts to examine software without the original code.

  • OpenAI researcher Fouad Mateen Named Cyber ​​defense is a “team sport,” arguing that “no one should be in the business of picking winners and losers.”

  • Chancellor of the Exchequer Besant He was summoned Wall Street leaders attended an emergency Mythos briefing last week, as concerns grew about its hacking capabilities.

Why it matters: It’s not yet clear how Cyber ​​will be able to reach Mythos’ record scores, but it’s clear that the next generation of model upgrades is about to have some serious cybersecurity implications. The two rivals take very different approaches to how accessible each company’s advanced defense models are.

Along with decoding

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Nvidia

Rundown: Nvidia Released Ising, the first set of open source AI models designed to work with quantum computers – designed to address technical issues such as calibration and decoding errors that have prevented the technology from expanding beyond the laboratory.

  • Ising’s first model keeps the machines tuned automatically, turning what was once manual work that took days into something that takes hours.

  • The second option fixes errors as soon as they occur, reaching 2.5 times the speed and 3 times the accuracy of the best open source alternative today.

  • Nvidia CEO Jensen Huang has called it a “quantum machine operating system,” citing AI as the missing layer that makes the technology scalable.

  • More than 20 institutions are already using Ising at launch, including Harvard, Cornell, Fermilab, Sandia National Labs, IonQ, and UC Santa Barbara.

Why it matters: Nvidia has run the same playbook here that it used for self-driving cars (Alpamayo) and robotics (Isaac GR00T): launch the open AI layer, secure the ecosystem, and own the infrastructure under a new computing paradigm. The company is planting its flag in an expected $11 billion quantitative market before the race actually begins.

Artificial intelligence training

Rundown: In this guide, you’ll learn how to turn on and use our favorite Gemini features in Chrome. If you have a Google AI Pro subscription, you’ll learn how to turn on and use Chrome automations.

  1. In Chrome, go to Settings > AI Innovations > Gemini in Chrome, and enable “Show Gemini at top of browser” and “Share current tab with Gemini.” If you’re using Google AI Pro, also enable ‘Let Gemini browse for you’

  2. Open three product tabs, tap Gemini, type @ to attach the tabs, then request: “Compare [products] And tell which offers the best features at the best prices.”

  3. Gemini will compare and give you a recommendation. This works even without Google AI Pro because you share tabs directly

  4. If you have an AI Pro, ask: “Find me a cheaper one [product type] With these same features.” Gemini will send you a plan, then use Chrome to execute it for you

Pro Tip: With Google AI Pro, you can also ask Gemini to sign in to your accounts using saved Chrome passwords.

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Anthropic

Rundown: Anthropic foot A redesign of the Claude Code desktop app builds on the fact that developers now run multiple AI sessions simultaneously, adding a sidebar to manage them, new drag-and-drop panes, and an integrated editor and terminal.

  • The new sidebar keeps all live and recent sessions visible, with filters by status or project and the ability to auto-archive once a pull request is closed or merged.

  • Drag-and-drop layout now allows users to customize the workspace and monitor multiple windows simultaneously, with greater reliability and speed.

  • Developers can now run tests, edit files, review Claude’s changes, and preview HTML or PDF files without switching to another tool.

  • Anthropy too Fired Routines in Claude Code, a new research preview that triggers AI tasks on a schedule, via an API, or when certain events occur on GitHub.

Why it matters: Claude Code’s redesign and procedures paint the same picture – Anthropic believes developers are about to spend less time coding and more time using a team of AI agents. Pair the routines with the parallel session redesign, and CloudCode looks more like a command center for a half-human, half-AI workforce.

  • Lightfield – An AI-powered CRM that automatically captures emails, calls and meetings, then answers any question about your business.*

  • 💻 Claude Code – Anthropic’s revamped desktop application for parallel clients

AI personal finance startup Hero Announce It is winding down its operations, with its employees joining OpenAI.

Os Rolled Amazon Bio Discovery, a new drug design platform with biological basis models and a built-in laboratory network for synthesis and testing.

AI safety assessors in the UK He said Claude Mythos Preview is the first AI system to complete a 32-step enterprise hack simulation, showing significant jumps in cyberattacks across Opus 4.6.

Baidu Released ERNIE-Image, an open-weight 8B text-to-image model that comes close to top competitors in benchmarks despite its small size.

Greg Brockman of OpenAI framed Artificial Intelligence as a shift to a “compute-based economy,” garners nearly 1 billion weekly users for ChatGPT and Codex on company’s 10th anniversary.

In each newsletter we show how the reader is using AI to work smarter, save time or make life easier.

Today’s workflow comes from the reader Will J. In Nashville, Tennessee:

“At about age 70, I immersed myself in ChatGPT at work. I used it to develop a system that used Microsoft Forms, Lists, and Power Automate to put together a QR-based product item tracking system without purchasing scanners.

The curbside guys and delivery drivers scan the QR, and we get real-time product tracking. Now the biggest man in the business is considered the “AI guy.”

How do you use artificial intelligence? Tell us here.

That’s all for today!

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Rowan, Joey, Zack, Shobham and Jennifer – the humans behind The Rundown

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