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Sources

Alex Heath

Exclusive reporting on the AI race.

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Substack
PricingFreemiumPublishesDaily
Issues127Founded2 years agoLast Issue10 days ago
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Latest Issues

OpenAI closes the Simo chapter

A look back at Fidji Simo's brief, ambitious tenure, and the new org structure under Sam Altman and Greg Brockman.

Schedule note: I’m taking the next two weeks off for some much-needed R&R. I trust (not) that no major AI news will break wh...

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Why Meta is selling AI models now

My chat with Meta AI chief Alexandr Wang. Also: Sun Valley watching, and the AI writing app fighting AI slop.

When I got Alexandr Wang on the phone ahead of Meta’s Muse Spark 1.1 release, I wanted to know how serious Meta was about its new...

11 days ago
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OpenAI's upcoming AI device gets its voice

Reading between the lines of today's GPT-Live release. Also: TK

“Over time, we think this will also unlock the ability to use voice as a kind of primary interface to computing, and to manage increasingly complex long-running agentic work.”

12 days ago
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Anthropic gets closer to an AI super app

What Claude merging with Cowork signals. Also: Meta's model release, China's AI shift, Fable lives on, and more.

The holy grail for the frontier labs is a super app that combines the power of AI coding with the simplicity of a chatbot, and...

13 days ago
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Of course Elon Musk is making an AI phone

SpaceX is in a unique position to do it. Also: Fable is nerfed, Anthropic's big hire, Meta the hyperscaler, and what else I'm eyeing.

It’s Wednesday evening, but doesn’t it feel like Friday? Happy July 4th weekend. This will be my last sen...

19 days ago
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  • Alex Heath

    Author of Sources, a newsletter about the AI race.

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