TLDR

TLDR AI 2025-09-04

Mistral $14B valuation πŸ’°, xAI CFO quits ⛓️‍πŸ’₯, Apple AI search πŸ”

For SaaS companies, monetizing AI isn't about growth β€” it's about survival (Sponsor)

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Headlines & Launches

Apple's rumored AI search tool for Siri could rely on Google (2 minute read)

xAI's CFO Steps Down, the Latest in a String of Executive Departures (4 minute read)

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Deep Dives & Analysis

Open Global Investment as a Governance Model for AGI (26 minute read)

The Bitter Lesson is Misunderstood (15 minute read)

Trust me bro, just one more RL scale up, this one will be the real scale up with the good environments, the actually legit one, trust me bro (15 minute read)

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Engineering & Research

Speeding up PyTorch inference by 87% on Apple devices with AI-generated Metal kernels (16 minute read)

Agentic Design Patterns (Textbook)

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Miscellaneous

OpenAI boosts size of secondary share sale to $10.3 billion (2 minute read)

Palantir launches Working Intelligence (2 minute read)

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