Vol. I · No. 187Est. 2026
A daily briefing on artificial intelligence

The Twenty Five: A Daily AI Briefing

01Sam Altman›OpenAI's current model lineup points developers to o3, o4-mini, GPT-4.1, and GPT-4o•02Sundar Pichai›Sundar Pichai says Google's AI agent Big Sleep helped detect and foil an imminent exploit•03Mark Zuckerberg›Meta introduces Llama 4 as a multimodal model family•04Jensen Huang›NVIDIA explains the shift from chatbots to agentic AI systems•05Dario Amodei›Anthropic releases Claude 3.7 Sonnet and a hybrid reasoning model direction•06Demis Hassabis›Gemini with Deep Think reaches gold-medal standard at the International Mathematical Olympiad•07Mira Murati›Thinking Machines Lab announces Tinker, a flexible API for fine-tuning language models•08Arvind Srinivas›Aravind Srinivas says more Perplexity Comet invites are rolling out to Pro and high-usage users•09Elon Musk›Elon Musk says xAI is being rebuilt from the foundations up•10Satya Nadella›Microsoft Build collects Nadella's latest AI platform and agent announcements•11Yann LeCun›Yann LeCun's V-JEPA work advances video-based world models at Meta•12Geoffrey Hinton›Geoffrey Hinton explains why he left Google and why AI risk changed his mind•13Ilya Sutskever›Safe Superintelligence describes a single-product focus: safe superintelligence•14Andrej Karpathy›Andrej Karpathy announces Eureka Labs, an AI education company•15Fei-Fei Li›World Labs publishes updates on spatial intelligence research and products•16Lisa Su›AMD outlines its AI products and accelerator strategy•17Greg Brockman›Greg Brockman says software development is undergoing a renaissance in front of us•18Mustafa Suleyman›Mustafa Suleyman's site collects his current writing on AI, products, and safety•19Alexandr Wang›Alexandr Wang says Meta's next Muse Spark update is coming with coding and agentic improvements•20Clément Delangue›Clément Delangue says private models and datasets now make up a major share of Hugging Face usage•21Emad Mostaque›Emad Mostaque explains leaving Stability AI and his next open AI thesis•22Aidan Gomez›Aidan Gomez announces Cohere AI partnerships with Canada and the UK•23Reid Hoffman›Reid Hoffman collects his AI writing and arguments for human-amplifying AI•24Kevin Weil›Kevin Weil announces he is joining OpenAI as chief product officer•25Liang Wenfeng›DeepSeek announces DeepSeek-R1 and publishes release details for developers•
01Sam Altman›OpenAI's current model lineup points developers to o3, o4-mini, GPT-4.1, and GPT-4o•02Sundar Pichai›Sundar Pichai says Google's AI agent Big Sleep helped detect and foil an imminent exploit•03Mark Zuckerberg›Meta introduces Llama 4 as a multimodal model family•04Jensen Huang›NVIDIA explains the shift from chatbots to agentic AI systems•05Dario Amodei›Anthropic releases Claude 3.7 Sonnet and a hybrid reasoning model direction•06Demis Hassabis›Gemini with Deep Think reaches gold-medal standard at the International Mathematical Olympiad•07Mira Murati›Thinking Machines Lab announces Tinker, a flexible API for fine-tuning language models•08Arvind Srinivas›Aravind Srinivas says more Perplexity Comet invites are rolling out to Pro and high-usage users•09Elon Musk›Elon Musk says xAI is being rebuilt from the foundations up•10Satya Nadella›Microsoft Build collects Nadella's latest AI platform and agent announcements•11Yann LeCun›Yann LeCun's V-JEPA work advances video-based world models at Meta•12Geoffrey Hinton›Geoffrey Hinton explains why he left Google and why AI risk changed his mind•13Ilya Sutskever›Safe Superintelligence describes a single-product focus: safe superintelligence•14Andrej Karpathy›Andrej Karpathy announces Eureka Labs, an AI education company•15Fei-Fei Li›World Labs publishes updates on spatial intelligence research and products•16Lisa Su›AMD outlines its AI products and accelerator strategy•17Greg Brockman›Greg Brockman says software development is undergoing a renaissance in front of us•18Mustafa Suleyman›Mustafa Suleyman's site collects his current writing on AI, products, and safety•19Alexandr Wang›Alexandr Wang says Meta's next Muse Spark update is coming with coding and agentic improvements•20Clément Delangue›Clément Delangue says private models and datasets now make up a major share of Hugging Face usage•21Emad Mostaque›Emad Mostaque explains leaving Stability AI and his next open AI thesis•22Aidan Gomez›Aidan Gomez announces Cohere AI partnerships with Canada and the UK•23Reid Hoffman›Reid Hoffman collects his AI writing and arguments for human-amplifying AI•24Kevin Weil›Kevin Weil announces he is joining OpenAI as chief product officer•25Liang Wenfeng›DeepSeek announces DeepSeek-R1 and publishes release details for developers•

The Twenty Five people shaping AI. Their work, their words, and only the reporting worth your time.

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