Christopher Holloway
Christopher Holloway is the founder and director of Progressive Robot, a UK-based technology company. A full-stack engineer with more than two decades of experience, he works across PHP development, ecommerce, Linux infrastructure, technical SEO and AI automation, and writes here on technology, AI, hardware and software.
Shipping code faster with o3, o4-mini, and GPT-4.1
CodeRabbit uses OpenAI models to revolutionize code reviews—boosting accuracy...
Introducing GPT-4.1 in the API
Introducing GPT-4.1 in the API—a new family of models with across-the-board i...
Announcing OpenAI Grove Cohort 2
Applications are now open for OpenAI Grove Cohort 2, a 5-week founder program...
Inside JetBrains—the company reshaping how the world...
JetBrains is integrating GPT-5 across its coding tools, helping millions of d...
Codex is now generally available
OpenAI Codex is now generally available with powerful new features for develo...
Introducing AgentKit, new Evals, and RFT for agents
Today, we’re releasing new tools to help developers go from prototype to pro...
Developers can now submit apps to ChatGPT
Developers can now submit apps for review and publication in ChatGPT, with ap...
LaunchDarkly's approach to AI-powered product manage...
A conversation with Claire Vo, Chief Product Officer of LaunchDarkly, about t...
How We Used Codex to Ship Sora for Android in 28 Days
OpenAI shipped Sora for Android in 28 days using Codex. AI-assisted planning,...
How Tolan builds voice-first AI with GPT-5.1
Tolan built a voice-first AI companion with GPT-5.1, combining low-latency re...
Introducing GPT-5.2-Codex
GPT-5.2-Codex is OpenAI’s most advanced coding model, offering long-horizon r...
Introducing GPT-5.2
GPT-5.2 is our most advanced frontier model for everyday professional work, w...