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.
Detecting and reducing scheming in AI models
Apollo Research and OpenAI developed evaluations for hidden misalignment (“scheming”) and found behaviors consistent with scheming in controlled tests across frontier models. The team shared concrete examples and stress tests of an early method to reduce scheming.
Public AI on Hugging Face Inference Providers 🔥
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Introducing Stargate UK
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Building towards age prediction
Learn how OpenAI is building age prediction and parental controls in ChatGPT to create safer, age-appropriate experiences for teens while supporting families with new tools.
Teen safety, freedom, and privacy
Explore OpenAI’s approach to balancing teen safety, freedom, and privacy in AI use.
`LeRobotDataset:v3.0`: Bringing large-scale datasets to `lerobot`
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Introducing upgrades to Codex
Codex just got faster, more reliable, and better at real-time collaboration and tackling tasks independently anywhere you develop—whether via the terminal, IDE, web, or even your phone.
How people are using ChatGPT
New research from the largest study of ChatGPT use shows how the tool creates economic value through both personal and professional use. Adoption is broadening beyond early users, closing gaps and making AI a part of everyday life.
Addendum to GPT-5 system card: GPT-5-Codex
This addendum to the GPT-5 system card shares a new model: GPT-5-Codex, a version of GPT-5 further optimized for agentic coding in Codex. GPT-5-Codex adjusts its thinking effort more dynamically based on task complexity, responding quickly to simple conversational queries or small tasks, while indep...
Visible Watermarking with Gradio
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Working with US CAISI and UK AISI to build more secure AI systems
OpenAI shares progress on the partnership with the US CAISI and UK AISI to strengthen AI safety and security.
Introducing the Palmyra-mini family: Powerful, lightweight, and ready to reason!
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Statement on OpenAI’s Nonprofit and PBC
OpenAI reaffirms its nonprofit leadership with a new structure granting equity in its PBC, enabling over $100B in resources to advance safe, beneficial AI for humanity.
A joint statement from OpenAI and Microsoft
OpenAI and Microsoft sign a new MOU, reinforcing their partnership and shared commitment to AI safety and innovation.
Tricks from OpenAI gpt-oss YOU 🫵 can use with transformers
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Fine-tune Any LLM from the Hugging Face Hub with Together AI
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Jupyter Agents: training LLMs to reason with notebooks
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SafetyKit scales risk agents with OpenAI’s most capable models
Discover how SafetyKit leverages OpenAI GPT-5 to enhance content moderation, enforce compliance, and outpace legacy safety systems with greater accuracy .
mmBERT: ModernBERT goes Multilingual
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A People-First AI Fund: $50M to support nonprofits
Applications are now open for OpenAI’s People-First AI Fund, a $50M initiative supporting U.S. nonprofits advancing education, community innovation, and economic opportunity. Apply by October 8, 2025, for unrestricted grants that help communities shape AI for the public good.
Understanding and Implementing Qwen3 From Scratch
A Detailed Look at One of the Leading Open-Source LLMs
Why language models hallucinate
OpenAI’s new research explains why language models hallucinate. The findings show how improved evaluations can enhance AI reliability, honesty, and safety.
OpenAI and Greek Government launch ‘OpenAI for Greece’
OpenAI and the Greek Government have launched “OpenAI for Greece” to bring ChatGPT Edu into secondary schools and support responsible AI learning. This partnership aims to boost AI literacy, fuel local start-ups, and drive national economic growth.
Expanding economic opportunity with AI
OpenAI is launching a Jobs Platform and new Certifications to connect workers with jobs, training, and certifications. Learn how we’re expanding economic opportunity and making AI skills more accessible.
Welcome EmbeddingGemma, Google's new efficient embedding model
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