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What insiders really think about the AI race
Buy Anthropic. Short Perplexity. Notes from this year’s Cerebral Valley Summit. Also: Robinhood's Vlad Tenev this week on ACCESS.
Nov 14
7
2
1
ChatGPT's quiet slump, Zuck's AI bubble warning
OpenAI’s CFO told investors that ChatGPT's engagement has softened. Also: Mark Zuckerberg's AI bubble warning to Meta employees.
Nov 12
10
1
1
Inside the Sources launch party
Tech and media leaders gathered in Manhattan for tequila, sushi, and poker. Also: Runway CEO Cristóbal Valenzuela on this week's ACCESS.
Nov 7
•
Alex Heath
12
1
3
Election night at Kalshi HQ
Inside Kalshi’s office on election night, CEO Tarek Mansour showed me how his fast-growing prediction market is calling races faster than the media.
Nov 6
•
Alex Heath
8
2
October 2025
Microsoft's agent platform play
What this week's GitHub news says about Microsoft's role in the AI race. Also: this week on ACCESS.
Oct 31
•
Alex Heath
7
1
YouTube announces AI reorg and voluntary layoffs
Neal Mohan's internal memo about YouTube's "next frontier" and opt-in layoffs.
Oct 29
•
Alex Heath
8
1
Altman taps leading researcher for BCI startup
Merge Labs is likely taking a less invasive approach than Neuralink. Also: Sources IRL and reactions to yesterday's Snap scoop.
Oct 25
•
Alex Heath
5
1
Snap seeks $1 billion fundraise for AR glasses
New details on Evan Spiegel's quest to win the AR race. Also: this week on ACCESS.
Oct 24
•
Alex Heath
7
2
Google readies Gemini 3, Perplexity hits $200 million
Reporting on Google's next model release and Perplexity's business. Also: AI job moves and some links.
Oct 17
•
Alex Heath
6
2
A new bet on what comes after LLMs
General Intuition just raised a massive seed round for a unique take on AI world models. Also: Nothing CEO Carl Pei this week on ACCESS.
Oct 17
•
Alex Heath
9
1
1
Hollywood has no idea what to do about AI
OpenAI is moving fast while the entertainment industry wrings its hands. Also: this week on ACCESS and some links.
Oct 10
•
Alex Heath
11
2
Q&A: OpenAI's Stargate Man
"We see the fundamentals, and we were investing heavily in those." My conversation with Greg Brockman at OpenAI DevDay.
Oct 8
•
Alex Heath
5
2
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