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Sources

Alex Heath

Exclusive reporting on the AI race.

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Substack
PricingFreemiumPublishesDaily
Issues104Foundeda year agoLast Issue42 hours ago
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Latest Issues

Substack is opening up to AI

Substack is building a MCP server. CEO Chris Best confirmed it when I asked him at the ACCESS live show at Notion HQ in San Francisco last week. He didn’t give a date, but the implication is broad: Substack is wiring itself so that AI assis...

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I asked Nikesh Arora to put his investor hat back on. He was Masa Son’s president and...

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Airbnb's AI hedge

Brian Chesky on keeping Airbnb its own island. Also: Trump's tech CEO invite, SpaceX IPO takeaways, Meta's bad vibes, and more.

I spent Wednesday at Airbnb HQ for the company’s big spring event. More on that below, plus some of the (many)...

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Google gets ready for the tokenmaxxing hangover

Notes from Google I/O, including what Sundar Pichai told me about Mythos. Also: What Andrej Karpathy is doing at Anthropic, Microsoft's special CEO summit guest, and partnering with Parallel.

I spent Tuesday in Mountain View at Google I/O,...

4 days ago
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Subscriber Q&A: Live @ Google I/O

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5 days ago
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Authors

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  • Alex Heath

    Author of Sources, a newsletter about the AI race. Co-host of the ACCESS podcast.

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