Harry Guinness is a writer and photographer from Dublin, Ireland. His writing has appeared in the New York Times, Lifehacker, the Irish Examiner, and How-To Geek. His photos have been published on hundreds of sites—mostly without his permission.
Harry Guinness
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More from Harry
App tips
What is OpenClaw, and why are people losing their minds over it?
OpenClaw is an open source AI personal assistant.
By Harry Guinness
•
8 min read
App tips
What is GPT? Everything you need to know
GPT is a family of AI models built by OpenAI. It stands for Generative Pre-trained Transformer, which is basically a description of what the AI models do and how they work.
By Harry Guinness
•
8 min read
Best apps
The best large language models (LLMs) in 2026
These are the most significant, interesting, and popular LLMs you can use right now.
By Harry Guinness
•
17 min read
App tips
OpenAI models: Every model (including GPT-5.4) and what it's best for
This is your complete guide to all of OpenAI's major models. We'll look at what each one is good for, how much they cost, and how to make the most of them in your work.
By Harry Guinness
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11 min read
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