Sarah Drummond
Sarah Drummond covers artificial intelligence and emerging technology. She writes about AI tools, model developments, and what the latest advances mean for businesses and consumers in the UK.

6 May 2026: ChatGPT Gets a Smarter Default Model and iOS 27 Lets You Pick Your Own AI (AM)
OpenAI upgrades ChatGPT's default model with fewer hallucinations, while Apple plans to let iPhone users choose their own AI in…

What Is Muse Spark? Meta’s First Closed-Source AI Model
Meta Superintelligence Labs has released its first model, Muse Spark. It is free, multimodal, and marks a clean break from…

5 May 2026 PM: OpenAI and Anthropic Both Bet on Finance AI as Chrome’s Hidden Model Raises Alarms
OpenAI and Anthropic both target finance firms with new AI tools. Plus Chrome’s hidden 4GB AI model sparks privacy concerns…

What is RAG, and why does it matter for business AI?
RAG AI explained in plain English: how retrieval works, why business documents matter, and what teams should check before trusting…

5 May 2026: Trial Witness Warns of AGI Arms Race as Enterprise AI and SMB Tools Expand (AM)
Stuart Russell warns of an AGI arms race at the OpenAI trial, as Anthropic and OpenAI push enterprise AI and…

4 May 2026: Pentagon Signs Military AI Contracts With Seven Tech Firms as Anthropic Steps Aside
The Pentagon has signed military AI contracts with seven tech giants while Anthropic steps aside on ethics. Plus Harvard's AI…

AI tool privacy: what you should never share
Every time you open a chat window, you are deciding what to share. Here is what should stay out of…

4 May 2026: AI Beats Doctors in Harvard Triage Test, GPT-5.5 Hits Mythos Cyber Bar (AM)
OpenAI's o1 beat ER doctors in a Harvard study, while AISI confirms GPT-5.5 matches Mythos Preview at the cybersecurity frontier.

3 May 2026: Harvard Study Finds AI More Accurate Than Emergency Room Doctors
A Harvard study found AI beat ER doctors at diagnosis, the Oscars banned AI-generated actors, and the Pentagon signed AI…

How to check whether an AI answer is any good
AI tools answer everything with the same calm confidence. A practical guide to checking when an AI answer is right,…