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Inside our approach to the Model Spec
Learn how OpenAI’s Model Spec serves as a public framework for model behavior, balancing safety, user…
Helping developers build safer AI experiences for teens
OpenAI releases prompt-based teen safety policies for developers using gpt-oss-safeguard, helping moderate…
Powering product discovery in ChatGPT
ChatGPT introduces richer, visually immersive shopping powered by the Agentic Commerce Protocol, enabling…
Creating with Sora Safely
To address the novel safety challenges posed by a state-of-the-art video model as well as a new social…
How we monitor internal coding agents for misalignment
How OpenAI uses chain-of-thought monitoring to study misalignment in internal coding agents—analyzing…
Introducing GPT-5.4 mini and nano
GPT-5.4 mini and nano are smaller, faster versions of GPT-5.4 optimized for coding, tool use, multimodal…
Equipping workers with insights about compensation
New research shows Americans send nearly 3 million daily messages to ChatGPT asking about compensation and…
LWiAI Podcast #237 - Nemotron 3 Super, xAI reborn, Anthropic Lawsuit, Research!
Our 237th episode with a summary and discussion of last week’s big AI news!Recorded on 03/13/2026Hosted by…
Last Week in AI #338 - Anthropic sues Trump, xAI starting over, Iran AI Fakes
NewsLast Week in AI #338 - Anthropic sues Trump, xAI starting over, Iran AI FakesAnthropic sues Trump…
Why Codex Security Doesn’t Include a SAST Report
A deep dive into why Codex Security doesn’t rely on traditional SAST, instead using AI-driven constraint…
LWiAI Podcast #236 - GPT 5.4, Gemini 3.1 Flash Lite, Supply Chain Risk
Our 236th episode with a summary and discussion of last week’s big AI news!Recorded on 03/06/2026Hosted by…
The Memo - 13/Mar/2026
To: US Govt, major govts, Microsoft, Apple, NVIDIA, Alphabet, Amazon, Meta, Tesla, Citi, Tencent, IBM, &…
The Shape of the Thing
In October of 2023, I wrote about the “Shape of the Shadow of the Thing,” speculating on the Thing that…
Designing AI agents to resist prompt injection
How ChatGPT defends against prompt injection and social engineering by constraining risky actions and…
From model to agent: Equipping the Responses API with a computer environment
How OpenAI built an agent runtime using the Responses API, shell tool, and hosted containers to run secure,…
Rakuten fixes issues twice as fast with Codex
Rakuten fixes issues twice as fast with Codex. OpenAI - artificial intelligence news.
Improving instruction hierarchy in frontier LLMs
IH-Challenge trains models to prioritize trusted instructions, improving instruction hierarchy, safety…
New ways to learn math and science in ChatGPT
ChatGPT introduces interactive visual explanations for math and science, helping students explore formulas,…
Last Week in AI #337 - Anthropic Risk, QuitGPT, ChatGPT 5.4
NewsLast Week in AI #337 - Anthropic Risk, QuitGPT, ChatGPT 5.4Anthropic officially told by DOD that it’s a…
Codex Security: now in research preview
Codex Security is an AI application security agent that analyzes project context to detect, validate, and…
How Descript engineers multilingual video dubbing at scale
Using OpenAI reasoning models, Descript unlocked automatic localization of large content libraries without…
How Balyasny Asset Management built an AI research engine
By combining rigorous model evaluation, full-platform use of OpenAI, and agent workflows, Balyasny is…
Introducing GPT-5.4
Introducing GPT-5.4, OpenAI’s most most capable and efficient frontier model for professional work, with…
Reasoning models struggle to control their chains of thought, and that’s good
OpenAI introduces CoT-Control and finds reasoning models struggle to control their chains of thought,…