Daily briefing index
Wednesday, July 29, 2026
Morning and afternoon are separate, focused editions. Choose one to read or share directly.
Start of day
Morning brief
Frontier labs cosign a letter to "pace" AI development as HuggingFace demos a machine-speed cyberattack · Prime Intellect open-sources 365,000 RL environments…
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OpenAI ships GPT-5.6, and the pitch is intelligence-per-dollar, not intelligence · An open-source engine runs Gemma 4 26B in 2 GB of RAM on any M-series Mac
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