Field Signal · Curated Reading
The Engineering
Signal.
High-signal field notes, architecture teardowns, and engineering writing from 50 publications. A focused reading queue for becoming a stronger end-to-end engineer. Updated 23 Aug.
Exploring Quantization Backends in Diffusers
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nanoVLM: The simplest repository to train your VLM in pure PyTorch
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Microsoft and Hugging Face expand collaboration
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Addendum to o3 and o4-mini system card: Codex
Codex is a cloud-based coding agent. Codex is powered by codex-1, a version of OpenAI o3 optimized for software engineering. codex-1 was trained using reinforcement learning on real-world coding tasks in a variety of environments to generate code that closely mirrors human style and PR preferences, ...
Introducing Codex
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Falcon-Edge: A series of powerful, universal, fine-tunable 1.58bit language models.
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The Transformers Library: standardizing model definitions
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AI powers Expedia’s marketing evolution
A conversation with Jochen Koedijk, Chief Marketing Officer of Expedia Group.
Improving Hugging Face Model Access for Kaggle Users
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Blazingly fast whisper transcriptions with Inference Endpoints
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Introducing HealthBench
HealthBench is a new evaluation benchmark for AI in healthcare which evaluates models in realistic scenarios. Built with input from 250+ physicians, it aims to provide a shared standard for model performance and safety in health.
Vision Language Models (Better, faster, stronger)
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LeRobot Community Datasets: The “ImageNet” of Robotics — When and How?
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OpenAI Expands Leadership with Fidji Simo
Read the message Sam shared with the company earlier today.
OpenAI’s response to the Department of Energy on AI infrastructure
Why infrastructure is destiny and how the US can seize it.
Introducing data residency in Asia
Data residency builds on OpenAI’s enterprise-grade data privacy, security, and compliance programs supporting customers worldwide.
The San Antonio Spurs use ChatGPT to scale impact on and off the court
Discover how the San Antonio Spurs are using custom GPTs to enhance fan engagement, streamline operations, and drive innovation across teams.
Lowe’s puts project expertise into every hand
Lowe’s partnered with OpenAI to build Mylow and Mylow Companion, AI-powered tools that bring expert help to both customers and store associates—making complex home improvement projects easier to plan, navigate, and complete.
Introducing OpenAI for Countries
A new initiative to support countries around the world that want to build on democratic AI rails.
Introducing AI stories: daily benefits shine a light on bigger opportunities
Sam Altman has written that we are entering the Intelligence Age, a time when AI will help people become dramatically more capable. The biggest problems of today—across science, medicine, education, national defense—will no longer seem intractable, but will in fact be solvable. New horizons of possi...
AI helps John Deere transform agriculture
John Deere’s Justin Rose talks about transforming agriculture with AI and shares how the company is scaling innovation to help farmers work smarter, more efficiently, and sustainably.
Evolving OpenAI’s structure
An update from the OpenAI board on transitioning its for-profit entity to a Public Benefit Corporation, reinforcing its mission-driven structure under nonprofit oversight while enabling greater impact and long-term alignment with the public good.
Lowe’s leverages AI to power home improvement retail
A conversation with Chandhu Nair, Senior Vice President of Data, AI, and Innovation.
Expanding on what we missed with sycophancy
A deeper dive on our findings, what went wrong, and future changes we’re making.
Why We Think
Special thanks to John Schulman for a lot of super valuable feedback and direct edits on this post. Test time compute ( Graves et al. 2016 , Ling, et al. 2017 , Cobbe et al. 2021 ) and Chain-of-thought (CoT) ( Wei et al. 2022 , Nye et al. 2021 ), have led to significant improvements in model perform...