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The US and UK have signed a landmark agreement on artificial intelligence, as the allies become the first countries to formally cooperate on how to test and assess risks from emerging AI models.

The agreement, signed on Monday in Washington by UK science minister Michelle Donelan and US commerce secretary Gina Raimondo, lays out how the two governments will pool technical knowledge, information and talent on AI safety.

The deal represents the first bilateral arrangement on AI safety in the world and comes as governments push for greater regulation of the existential risks from new technology, such as its use in damaging cyber attacks or designing bioweapons.

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On Monday, OpenAI announced that visitors to the ChatGPT website in some regions can now use the AI assistant without signing in. Previously, the company required that users create an account to use it, even with the free version of ChatGPT that is currently powered by the GPT-3.5 AI language model. But as we have noted in the past , GPT-3.5 is widely known to provide more inaccurate information compared to GPT-4 Turbo , available in paid versions of ChatGPT.

Since its launch in November 2022, ChatGPT has transformed over time from a tech demo to a comprehensive AI assistant, and it's always had a free version available. The cost is free because " you're the product ," as the old saying goes. Using ChatGPT helps OpenAI gather data that will help the company train future AI models, although free users and ChatGPT Plus subscription members can both opt out of allowing the data they input into ChatGPT to be used for AI training. (OpenAI says it never trains on inputs from ChatGPT Team and Enterprise members at all).

Opening ChatGPT to everyone could provide a frictionless on-ramp for people who might use it as a substitute for Google Search or potentially gain new customers by providing an easy way for people to use ChatGPT quickly, then offering an upsell to paid versions of the service.

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The future of StabilityAI, once seen as among the world’s most promising artificial intelligence start-ups, has been thrown into doubt following the chaotic departure of its founder and concern it will struggle to become profitable.

Emad Mostaque resigned last week as chief executive of the London-based group behind Stable Diffusion, an AI model that can create images through simple written prompts, with its app being downloaded more than 150 million times.

The three-year-old company was valued at $1 billion in August 2022, following a $101 million funding round led by top US tech investors Coatue and Lightspeed Venture Partners. The deal put it in the vanguard of the generative AI revolution alongside groups such as OpenAI and Inflection.

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The White House has announced the "first government-wide policy to mitigate risks of artificial intelligence (AI) and harness its benefits." To coordinate these efforts, every federal agency must appoint a chief AI officer with "significant expertise in AI."

Some agencies have already appointed chief AI officers, but any agency that has not must appoint a senior official over the next 60 days. If an official already appointed as a chief AI officer does not have the necessary authority to coordinate AI use in the agency, they must be granted additional authority or else a new chief AI officer must be named.

Ideal candidates, the White House recommended, might include chief information officers, chief data officers, or chief technology officers, the Office of Management and Budget (OMB) policy said.

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Thousands of servers storing AI workloads and network credentials have been hacked in an ongoing attack campaign targeting a reported vulnerability in Ray, a computing framework used by OpenAI, Uber, and Amazon.

The attacks, which have been active for at least seven months, have led to the tampering of AI models. They have also resulted in the compromise of network credentials, allowing access to internal networks and databases and tokens for accessing accounts on platforms including OpenAI, Hugging Face, Stripe, and Azure. Besides corrupting models and stealing credentials, attackers behind the campaign have installed cryptocurrency miners on compromised infrastructure, which typically provides massive amounts of computing power. Attackers have also installed reverse shells, which are text-based interfaces for remotely controlling servers.

Hitting the jackpot

“When attackers get their hands on a Ray production cluster, it is a jackpot,” researchers from Oligo, the security firm that spotted the attacks, wrote in a post . “Valuable company data plus remote code execution makes it easy to monetize attacks—all while remaining in the shadows, totally undetected (and, with static security tools, undetectable).”

Enlarge / The basic requirements for an AI PC, at least when it's running Windows. (credit: Intel)

Microsoft said in January that 2024 would be the year of the "AI PC," and we know that AI PCs will include a few hardware components that most Windows systems currently do not include—namely, a built-in neural processing unit (NPU) and Microsoft's new Copilot key for keyboards. But so far we haven't heard a whole lot about what a so-called AI PC will actually do for users.

Microsoft and Intel are starting to talk about a few details as part of an announcement from Intel about a new AI PC developer program that will encourage software developers to leverage local hardware to build AI features into their apps.

The main news comes from Tom's Hardware , confirming that AI PCs would be able to run "more elements of Copilot," Microsoft's AI chatbot assistant, "locally on the client." Currently, Copilot relies on server-side processing even for small requests, introducing lag that is tolerable if you're making a broad request for information but less so if all you want to do is change a setting or get basic answers. Running generative AI models locally could also improve user privacy, making it possible to take advantage of AI-infused software without automatically sending information to a company that will use it for further model training.

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On Tuesday, Anthropic's Claude 3 Opus large language model (LLM) surpassed OpenAI's GPT-4 (which powers ChatGPT) for the first time on Chatbot Arena , a popular crowdsourced leaderboard used by AI researchers to gauge the relative capabilities of AI language models. "The king is dead," tweeted software developer Nick Dobos in a post comparing GPT-4 Turbo and Claude 3 Opus that has been making the rounds on social media. "RIP GPT-4."

Since GPT-4 was included in Chatbot Arena around May 10, 2023 (the leaderboard launched May 3 of that year), variations of GPT-4 have consistently been on the top of the chart until now, so its defeat in the Arena is a notable moment in the relatively short history of AI language models. One of Anthropic's smaller models, Haiku, has also been turning heads with its performance on the leaderboard.

"For the first time, the best available models—Opus for advanced tasks, Haiku for cost and efficiency—are from a vendor that isn't OpenAI," independent AI researcher Simon Willison told Ars Technica. "That's reassuring—we all benefit from a diversity of top vendors in this space. But GPT-4 is over a year old at this point, and it took that year for anyone else to catch up."

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Enlarge / The logo for WWDC24. (credit: Apple)

Apple has announced dates for this year's Worldwide Developers Conference (WWDC). WWDC24 will run from June 10 through June 14 at the company's Cupertino headquarters, but everything will be streamed online.

Apple posted about the event with the following generic copy :

Join us online for the biggest developer event of the year. Be there for the unveiling of the latest Apple platforms, technologies, and tools. Learn how to create and elevate your apps and games. Engage with Apple designers and engineers and connect with the worldwide developer community. All online and at no cost.

As always, the conference will kick off with a keynote presentation on the first day, which is Monday, June 10. You can be sure Apple will use that event to at least announce the key features of its next round of annual software updates for iOS, iPadOS, macOS, watchOS, visionOS, and tvOS.