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.
Addendum to GPT-5 System Card: Sensitive conversations
This system card details GPT-5’s improvements in handling sensitive conversat...
With GPT-5, Wrtn builds lifestyle AI for millions in...
Wrtn scaled AI apps to 6.5M users in Korea with GPT-5, creating ‘Lifestyle AI...
Improving support with every interaction at OpenAI
Learn how OpenAI uses AI to enhance support, cutting response times, improvin...
gpt-oss-safeguard technical report
gpt-oss-safeguard-120b and gpt-oss-safeguard-20b are two open-weight reasonin...
Turning contracts into searchable data at OpenAI
OpenAI built a system to extract contract data quickly, cutting turnaround ti...
GPT-5 and the new era of work
GPT-5 is OpenAI’s most advanced model—transforming enterprise AI, automation,...
Introducing GPT-5 for developers
Introducing GPT-5 in our API platform—offering high reasoning performance, ne...
Consensus accelerates research with GPT-5 and Respon...
Consensus uses GPT-5 and OpenAI’s Responses API to power a multi-agent resear...
Expert Council on Well-Being and AI
OpenAI’s new Expert Council on Well-Being and AI brings together leading psyc...
Driving scalable growth with OpenAI o3, GPT-4.1, and...
Unify, an AI-powered GTM platform, uses OpenAI’s o3, GPT-4.1, and CUA to auto...
Preparing for future AI risks in biology
Advanced AI can transform biology and medicine—but also raises biosecurity ri...