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 22 Aug.
Scaling social science research
GABRIEL is a new open-source toolkit from OpenAI that uses GPT to turn qualitative text and images into quantitative data, helping social scientists analyze research at scale.
Beyond rate limits: scaling access to Codex and Sora
How OpenAI built a real-time access system combining rate limits, usage tracking, and credits to power continuous access to Sora and Codex.
Custom Kernels for All from Codex and Claude
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How low-bit inference enables efficient AI
Making products like Dropbox Dash accessible to individuals and businesses means tackling new challenges around efficiency and resource use.
Gemini 3 Deep Think: Advancing science, research and engineering
Our most specialized reasoning mode is now updated to solve modern science, research and engineering challenges.
Introducing GPT-5.3-Codex-Spark
Introducing GPT-5.3-Codex-Spark—our first real-time coding model. 15x faster generation, 128k context, now in research preview for ChatGPT Pro users.
Spotlight on SIG Architecture: API Governance
This is the fifth interview of a SIG Architecture Spotlight series that covers the different subprojects, and we will be covering SIG Architecture: API Governance . In this SIG Architecture spotlight we talked with Jordan Liggitt , lead of the API Governance sub-project. Introduction FM: Hello Jorda...
OpenEnv in Practice: Evaluating Tool-Using Agents in Real-World Environments
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Harness engineering: leveraging Codex in an agent-first world
By Ryan Lopopolo, Member of the Technical Staff
How to safely deploy agentic AI in the enterprise
The enterprise agentic AI market is struggling. Companies are still trying to figure out how to run agentic systems safely in their private networks. Here’s how data streaming platforms can help.
Accelerating Mathematical and Scientific Discovery with Gemini Deep Think
Research papers point to the growing impact of Deep Think across fields
Bringing ChatGPT to GenAI.mil
OpenAI for Government announces the deployment of a custom ChatGPT on GenAI.mil, bringing secure, safety-forward AI to U.S. defense teams.
Transformers.js v4: Now Available on NPM!
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Why I joined OpenAI
The staggering and fast-growing cost of AI datacenters is a call for performance engineering like no other in history; it's not just about saving costs – it's about saving the planet. I have joined OpenAI to work on this challenge directly, with an initial focus on ChatGPT performance. The sca...
Making AI work for everyone, everywhere: our approach to localization
OpenAI shares its approach to AI localization, showing how globally shared frontier models can be adapted to local languages, laws, and cultures without compromising safety.
Introducing SyGra Studio
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GPT-5 lowers the cost of cell-free protein synthesis
An autonomous lab combining OpenAI’s GPT-5 with Ginkgo Bioworks’ cloud automation cut cell-free protein synthesis costs by 40% through closed-loop experimentation.
Introducing Trusted Access for Cyber
OpenAI introduces Trusted Access for Cyber, a trust-based framework that expands access to frontier cyber capabilities while strengthening safeguards against misuse.
Introducing OpenAI Frontier
OpenAI Frontier is an enterprise platform for building, deploying, and managing AI agents with shared context, onboarding, permissions, and governance.
Redpanda Terraform supports managing Redpanda Connect pipelines, private network
Automate Redpanda Cloud with Terraform. Manage Connect pipelines, PrivateLink, and BYOVPC to reduce operational toil and enforce enterprise governance.
Introducing GPT-5.3-Codex
GPT-5.3-Codex is a Codex-native agent that pairs frontier coding performance with general reasoning to support long-horizon, real-world technical work.
GPT-5.3-Codex System Card
GPT‑5.3-Codex is the most capable agentic coding model to date, combining the frontier coding performance of GPT‑5.2-Codex with the reasoning and professional knowledge capabilities of GPT‑5.2.
Unlocking the Codex harness: how we built the App Server
Learn how to embed the Codex agent using the Codex App Server, a bidirectional JSON-RPC API powering streaming progress, tool use, approvals, and diffs.
Discord Patch Notes: February 4, 2026
Check out the finer details of the more technical fixes implemented into Discord recently.
Community Evals: Because we're done trusting black-box leaderboards over the community
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