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Florida to open criminal investigation into OpenAI over ChatGPT’s influence on alleged mass shooter

OpenAI over ChatGPT’s influence on alleged mass shooter [Florida](https://www.theguardian.com/us-news/florida)’s top prosecutor

UK banks blocked from cyber AI tool Mythos get offer from rival OpenAI

OpenAI OpenAI has offered nine major UK banks access to its cyber security AI tool

AI giant Anthropic files for US IPO as investors bet big on AI future

OpenAI. The company said at the time it was making annualised revenue of $47bn from

Opening arguments begin in Elon Musk and Sam Altman courtroom showdown

OpenAI began in earnest on Tuesday with opening arguments, as lawyers for the two tech

OpenAI’s Sam Altman apologises over failure to report Canadian mass shooter

OpenAI’s Sam Altman apologises over failure to report Canadian mass shooter OpenAI CEO Sam Altman

Altman apologizes after OpenAI failed to alert police before fatal Canada shooting

OpenAI failed to alert police before fatal Canada shooting The head of [OpenAI](https://www.theguardian.com

SpaceX is poised for blastoff with an IPO likely to break records

OpenAI president Greg Brockman, right, arrive at the U.S. District Court in Oakland, Calif., Thursday

Zoe Kleinman: Why the AI industry is the real winner of the Musk-Altman trial

OpenAI but the AI race itself that [was vindicated in the California courtroom last night

Alleged Correspondents' Dinner shooter to appear in court. And, Charles III visits U.S.

OpenAI from a non-profit entity into a for-profit powerhouse. OpenAI, now valued at nearly

AI wealth boom sending San Francisco home prices surging: ‘It’s ridiculous’

OpenAI](https://www.theguardian.com/technology/openai) and [Anthropic](https://www.theguardian.com/technology/2026/jun/01/anthropic-ai-ipo'), as well as SpaceX, which operates

The theory taking the rich by storm: China funds data center haters

OpenAI said it banned a cluster of likely Chinese accountsthat used ChatGPT to generate anti

Sen. Bill Cassidy loses primary. And, WHO declares Ebola outbreak a global emergency

OpenAI CEO Sam Altman. The two founded OpenAI in 2015 as a nonprofit to develop

Family of Florida university shooting victim sues over suspect’s ChatGPT use

OpenAI, alleging that the suspected gunman carried out the attack “with input and information provided

First Thing: Zelenskyy says he told Trump that Putin was ‘playing games’ with Washington

OpenAI. Photograph: Anadolu/Getty Images OpenAI has [filed confidentially to go public on the US stock

Pentagon says US military to be an 'AI-first' fighting force

OpenAI, Amazon, Microsoft, SpaceX, Oracle, Nvidia and the start-up Reflection, the Pentagon said AI technology

How big tech got its way on Trump’s AI executive order

OpenAI](https://www.theguardian.com/technology/openai) announced a cybersecurity AI product not long after Mythos debuted. The White

Hey, Siri: Apple just announced a long-awaited AI update

OpenAI's ChatGPT and Anthropic's Claude have wowed consumers with their ability to answer

AI giant Anthropic files paperwork for an IPO

OpenAI, the maker of ChatGPT, is also [widely reported](https://www.reuters.com/business/openai-preparing-file-ipo-soon-wsj-reports-2026-05-20/) to be planning

What does the UK watchdog’s new Google AI results rule mean for publishers?

OpenAI and [AI startup Perplexity](https://www.theguardian.com/technology/2025/nov/05/amazon-perplexity-ai-lawsuit) over the use of its copyrighted content

Google reportedly signs classified AI deal with US Pentagon

OpenAI and Elon Musk’s xAI, which also have deals to supply AI models for classified