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 20 Aug.
OpenAI helps Hyatt advance AI among colleagues
Hyatt deploys ChatGPT Enterprise across its global workforce, using GPT-5.4 and Codex to improve productivity, operations, and guest experiences.
My Workflow for Understanding LLM Architectures
A learning-oriented workflow for understanding new open-weight model releases
Codex for (almost) everything
The updated Codex app for macOS and Windows adds computer use, in-app browsing, image generation, memory, and plugins to accelerate developer workflows.
Introducing GPT-Rosalind for life sciences research
OpenAI introduces GPT-Rosalind, a frontier reasoning model built to accelerate drug discovery, genomics analysis, protein reasoning, and scientific research workflows.
Accelerating the cyber defense ecosystem that protects us all
Leading security firms and enterprises join OpenAI’s Trusted Access for Cyber, using GPT-5.4-Cyber and $10M in API grants to strengthen global cyber defense.
Ecom-RLVE: Adaptive Verifiable Environments for E-Commerce Conversational Agents
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The PR you would have opened yourself
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Training and Finetuning Multimodal Embedding & Reranker Models with Sentence Transformers
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Gemini 3.1 Flash TTS: the next generation of expressive AI speech
Our newest audio model introduces granular audio tags that give you precise control to direct AI speech for expressive audio generation.
Inside VAKRA: Reasoning, Tool Use, and Failure Modes of Agents
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The next evolution of the Agents SDK
OpenAI updates the Agents SDK with native sandbox execution and a model-native harness, helping developers build secure, long-running agents across files and tools.
Meet HoloTab by HCompany. Your AI browser companion.
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Trusted access for the next era of cyber defense
OpenAI expands its Trusted Access for Cyber program, introducing GPT-5.4-Cyber to vetted defenders and strengthening safeguards as AI cybersecurity capabilities advance.
Gemini Robotics-ER 1.6: Powering real-world robotics tasks through enhanced embodied reasoning
Gemini Robotics ER 1.6: Enhancing spatial reasoning and multi-view understanding for autonomous robotics.
Enterprises power agentic workflows in Cloudflare Agent Cloud with OpenAI
Cloudflare brings OpenAI’s GPT-5.4 and Codex to Agent Cloud, enabling enterprises to build, deploy, and scale AI agents for real-world tasks with speed and security.
ChatGPT for research
Learn how to use ChatGPT for research to gather sources, analyze information, and create structured, citation-backed insights.
Writing with ChatGPT
Learn how to use ChatGPT for writing to draft, revise, and refine content with clear structure, tone, and intent.
Personalizing ChatGPT
Learn how to personalize ChatGPT using custom instructions and memory to get more relevant, consistent, and tailored responses.
Using skills
Learn how to create and use ChatGPT skills to build reusable workflows, automate recurring tasks, and ensure consistent, high-quality outputs.
Using projects in ChatGPT
Learn how to use projects in ChatGPT to organize chats, files, and instructions, manage ongoing work, and collaborate more effectively.
ChatGPT for managers
Learn how managers use ChatGPT to prepare for conversations, write clear feedback, stay organized, and improve team effectiveness.
Applications of AI at OpenAI
Explore how OpenAI products like ChatGPT, Codex, and APIs bring AI into real-world use for work, development, and everyday tasks.
Research with ChatGPT
Learn how to research with ChatGPT using search and deep research to find up-to-date information, analyze sources, and generate structured insights.
Brainstorming with ChatGPT
Learn how to use ChatGPT to brainstorm ideas, organize thinking, and turn rough concepts into structured, actionable plans.
Responsible and safe use of AI
Learn how to use AI responsibly with best practices for safety, accuracy, and transparency when using tools like ChatGPT.