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.
A joint statement from OpenAI and Microsoft
OpenAI and Microsoft sign a new MOU, reinforcing their partnership and shared...
Introducing HealthBench
HealthBench is a new evaluation benchmark for AI in healthcare which evaluate...
PaperBench: Evaluating AI’s Ability to Replicate AI ...
We introduce PaperBench, a benchmark evaluating the ability of AI agents to r...
Scaling PostgreSQL to power 800 million ChatGPT users
An inside look at how OpenAI scaled PostgreSQL to millions of queries per sec...
Inside GPT-5 for Work: How Businesses Use GPT-5
A data-driven report on how workers across industries use ChatGPT—covering ad...
Advancing science and math with GPT-5.2
GPT-5.2 is OpenAI’s strongest model yet for math and science, setting new sta...
Update to GPT-5 System Card: GPT-5.2
GPT-5.2 is the latest model family in the GPT-5 series. The comprehensive saf...
GPT-5 and the future of mathematical discovery
UCLA Professor Ernest Ryu and GPT-5 solved a key question in optimization the...
Building more with GPT-5.1-Codex-Max
Introducing GPT-5.1-Codex-Max, a faster, more intelligent agentic coding mode...
Introducing GPT-5.1 for developers
GPT-5.1 is now available in the API, bringing faster adaptive reasoning, exte...
GPT-5.1-Codex-Max System Card
This system card outlines the comprehensive safety measures implemented for G...
OpenAI named Emerging Leader in Generative AI
OpenAI has been named an Emerging Leader in Gartner’s 2025 Innovation Guide f...
GPT-5.1 Instant and GPT-5.1 Thinking System Card Add...
This GPT-5 system card addendum provides updated safety metrics for GPT-5.1 I...
AI progress and recommendations
AI is advancing fast. We have the chance to shape its progress—toward discove...
Understanding neural networks through sparse circuits
OpenAI is exploring mechanistic interpretability to understand how neural net...