OpenAI’s GPT-4.5 AI model comes to more ChatGPT users

March 5, 2025

OpenAI has begun rolling out its newest AI model, GPT-4.5, to users on its ChatGPT Plus tier. In a series of posts on X, OpenAI said that the rollout will take “1-3 days,” and that it expects rate limits to change. GPT-4.5 launched first for subscribers to OpenAI’s $200-a-month ChatGPT Pro plan last week. “We’d […]

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Former NSA official says federal worker cuts will have ‘devastating impact’ on cyber and national security

March 5, 2025

Former top U.S. cybersecurity official Rob Joyce told lawmakers on Wednesday that cuts to federal probationary employees will have a “devastating impact” on U.S. national security. Joyce, who was the director of cybersecurity for the National Security Agency until retiring in 2024, was providing testimony to the U.S. House Committee on the Chinese Communist Party, […]

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Ryan Breslow is back as CEO of fintech Bolt, after years of controversy

March 5, 2025

Ryan Breslow is once again the CEO of Bolt, the fintech company told TechCrunch on Wednesday. Bolt shared a communication that recently went out to investors in which Breslow wrote that “following a challenging few years,” he had been reinstated as Bolt’s CEO with “unanimous approval” of the board of the one-click checkout company. Justin […]

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Ahead of a possible $4 billion IPO, CoreWeave’s founders already pocketed $488 million

March 5, 2025

CoreWeave’s initial S-1 document for its upcoming IPO is full of surprises. Backed by Nvidia, CoreWeave runs an AI-specific cloud service from its network of 32 data centers that together have more than 250,000 Nvidia GPUs as of the end of 2024, according to the company. Since then, it has also added a number of […]

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Google Search’s new ‘AI Mode’ lets users ask complex, multi-part questions

March 5, 2025

Google is launching a new “AI Mode” experimental feature in Search that looks to take on popular services like Perplexity AI and OpenAI’s ChatGPT Search. The tech giant announced on Wednesday that the new mode is designed to allow users to ask complex, multi-part questions and follow-ups to dig deeper on a topic directly within […]

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Anna Patterson’s Ceramic.ai looks to help enterprises build AI models faster and more efficiently

March 5, 2025

Anna Patterson has had a storied career in Silicon Valley. She founded three startups, including search engine upstarts Xift and Cuil, as well as recall.archive.org, which became the Internet Archive. She was the vice president of engineering at Google, and later on started Gradient Ventures, an AI-focused seed fund. And she isn’t done building. Patterson […]

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Hyundai pairs up with Yandex spinoff Avride to develop robotaxis

March 5, 2025

Hyundai Motor Company and Avride have agreed to jointly develop autonomous vehicles in a tie up that will deepen the relationship between the two companies. The deal will focus on autonomous vehicle technology designed for robotaxis. The two companies will also look into other use cases for the technology, including autonomous delivery services using Avride’s […]

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