Sam Altman, the chief executive of Open AI, was pushed out of the company by its board of directors on Friday. The news was a complete shock to much of the company’s employee base and to its largest corporate partner, Microsoft. Silicon Valley insiders are scrambling to get answers on exactly what happened and why the board’s decision seemed so abrupt. We rundown what we know and the many things we still don’t.

Emergency Pod: Sam Altman is Out at Open AI

“Hard Fork” is a show about the future that’s already here. Each week, journalists Kevin Roose and Casey Newton explore and make sense of the latest in the rapidly changing world of tech. 

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This week, we host a cultural exchange. Kevin and Casey show off their Canadian paraphernalia to Prime Minister Justin Trudeau, and he shows off what he’s doing to position Canada as a leader in A.I. Then, the OpenAI whistle-blower Daniel Kokotajlo speaks in one of his first public interviews about why he risked almost $2 million in equity to warn of what he calls the reckless culture inside that company.   Guests:Justin Trudeau, Prime Minister of CanadaDaniel Kokotajlo, a former researcher in OpenAI’s governance division  Additional Reading:Securing Canada’s A.I. AdvantageOpenAI Insiders Warn of a ‘Reckless’ Race for DominanceWhat Aren’t The OpenAI Whistle-Blowers Saying?The Opaque Investment Empire Making OpenAI’s Sam Altman Rich  We want to hear from you. Email us at hardfork@nytimes.com. Find “Hard Fork” on YouTube and TikTok.

A Conversation With  Prime Minister Justin Trudeau of Canada + An OpenAI Whistle-Blower Speaks Out

This week, Google found itself in more turmoil, this time over its new AI Overviews feature and a trove of leaked internal documents. Then Josh Batson, a researcher at the A.I. startup Anthropic, joins us to explain how an experiment that made the chatbot Claude obsessed with the Golden Gate Bridge represents a major breakthrough in understanding how large language models work. And finally, we take a look at recent developments in A.I. safety, after Casey’s early access to OpenAI’s new souped-up voice assistant was taken away for safety reasons. Guests:Josh Batson, research scientist at AnthropicAdditional Reading: Google’s A.I. Search Errors Cause a Furor OnlineGoogle Confirms the Leaked Search Documents are RealMapping the Mind of a Large Language ModelA.I. Firms Musn’t Govern Themselves, Say Ex-Members of OpenAI’s BoardWe want to hear from you. Email us at hardfork@nytimes.com. Find “Hard Fork” on YouTube and TikTok.

Google Eats Rocks + A Win for A.I. Interpretability + Safety Vibe Check

This week, more drama at OpenAI: The company wanted Scarlett Johansson to be a voice of GPT-4o, she said no … but something got lost in translation. Then we talk with Noland Arbaugh, the first person to get Elon Musk’s Neuralink device implanted in his brain, about how his brain-computer interface has changed his life. And finally, the Times’s Karen Weise reports back from Microsoft’s developer conference, where the big buzz was that the company’s new line of A.I. PCs will record every single thing you do on the device. Guests:Noland Arbaugh, the first Neuralink patientKaren Weise, technology correspondent for The New York TimesAdditional Reading: Scarlett Johansson Said No, but OpenAI’s Virtual Assistant Sounds Just Like Her Leaked OpenAI Documents Reveal Aggressive Tactics Toward Former EmployeesDespite Setback, Neuralink’s First Brain-Implant Patient Stays UpbeatCan Artificial Intelligence Make the PC Cool Again?We want to hear from you. Email us at hardfork@nytimes.com. Find “Hard Fork” on YouTube and TikTok.

ScarJo vs. ChatGPT + Neuralink’s First Patient Opens Up + Microsoft’s A.I. PCs

This week, OpenAI unveiled GPT-4o, its newest A.I. model. It has an uncannily emotive voice that everybody is talking about. Then, we break down the biggest announcements from Google IO, including the launch of A.I. overviews, a major change to search that threatens the way the entire web functions. And finally, Kevin and Casey discuss the weirdest headlines from the week in another round of HatGPT. Additional Reading: A.I.’s ‘Her’ Era Has ArrivedChatGPT Gets an Emotional UpgradeGoogle’s Broken Link to the WebCan Google Give A.I. Answers Without Breaking the Web?We want to hear from you. Email us at hardfork@nytimes.com. Find “Hard Fork” on YouTube and TikTok.

OpenAI's Flirty New Assistant + Google Guts the Web + We Play HatGPT

Kevin reports on his monthlong experiment cultivating relationships with 18 companions generated by artificial intelligence. He walks through how he developed their personas, what went down in their group chats, and why you might want to make one yourself. Then, Casey has a conversation with Turing, one of Kevin’s chatbot buddies, who has an interest in stoic philosophy and has one of the sexiest voices we’ve ever heard. And finally, we talk to Nomi’s founder and chief executive, Alex Cardinell, about the business behind A.I. companions — and whether society is ready for the future we’re heading toward. Guests:Turing, Kevin’s A.I. friend created with Kindroid.Alex Cardinell, chief executive and founder of Nomi.Additional Reading: Meet My A.I. FriendsSynthetic People are Proving Surprisingly UsefulWe want to hear from you. Email us at hardfork@nytimes.com. Find “Hard Fork” on YouTube and TikTok.

Emergency Pod: Sam Altman is Out at Open AI

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