TLDR

TLDR AI 2025-09-23

Nvidia + OpenAI $100B deal 🤝, Oracle’s co-CEOs 💼, OpenAI hardware 👓

AI Monetization Models: Lessons From Snowflake and a16z (Sponsor)

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Headlines & Launches

Oracle Appoints New Co-CEOs (2 minute read)

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Deep Dives & Analysis

Why we built the Responses API (5 minute read)

How I Use AI (4 minute read)

Grok 4 Training Resource Footprint (1 minute read)

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Engineering & Research

Tool Calls Are Expensive And Finite (3 minute read)

It's been an extremely busy day for team Qwen (4 minute read)

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Miscellaneous

LMArena has some competition: Scale AI launches Seal Showdown, a new benchmarking tool (4 minute read)

DeepMind AI safety report explores the perils of “misaligned” AI (4 minute read)

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