Alex Duffy

Alex Duffy is the cofounder and CEO of Good Start Labs, and a contributing writer.

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Aug 15, 2025

To Improve LLMs, Coach Them Like Athletes in an Arena

Games will teach you more about model capabilities than benchmarks ever could

May 23, 2025

Google’s AI Vision: Make Tech Human Again

The company’s hurricane of AI product releases at Google I/O adds up to a clear vision for AGI and for humanity

May 10, 2025

Rise of the AI Wrappers

Plus: Google’s Gemini models get their due

Feb 27, 2025

GPT-4.5 Won’t Blow Your Mind. It Might Befriend It Instead.

We’ve been testing the latest model for a few days. Here’s what we found.

Jan 28, 2025

What Actually Matters (And What Doesn’t) For DeepSeek

Allow us to explain why your 401k is down

Jul 19, 2025

What I Learned About AI at the World’s Most Famous Museum

Three principles that determine success in AI, regardless of geography

Jun 25, 2025

How We Made AI Diplomacy Work

Lessons learned taking our game-based AI benchmark from demo to 50,000 live viewers

Mar 30, 2025

GPT-4o and the Art of AI Adoption

Plus: The anatomy of a viral tweet-creating prompt

Apr 11, 2025

Your CEO Just Said ‘Use AI or Else.’ Here’s What to Do Next.

Shopify’s CEO announced that AI is a workplace expectation. This is your step-by-step guide to mastering AI at work.

Mar 23, 2025

The Steering Wheel for AI

Plus: The slippery slope of vibe coding tools, and exploring machine creativity

Jun 13, 2025

Tipping the AI Scales

Plus: ChatGPT is my physics tutor

Oct 6, 2025

Vibe Check: OpenAI DevDay 2025

Apps, agents, and API updates—but where's the vision that makes you dream?

Mar 14, 2025

Anthropic and OpenAI Pick Their Lanes

Plus: The untold story of Commodore

Jan 23, 2025

We Tried OpenAI’s New Agent—Here’s What We Found

Operator (Could you help me do this task?)

Oct 15, 2025

Vibe Check: Anthropic Cooked on Claude Haiku 4.5

This one’s for the developers

Jun 27, 2025

The Better AI Gets, The More It Needs Us

Hunting rare data and teaching models—the human expertise that's more valuable than ever

Feb 3, 2025

We Tried OpenAI’s New Deep Research—Here’s What We Found

Vibe check: It’s awesome.

Mar 7, 2025

We Gave GPT-4.5 a Myers-Briggs Test. It’s an Extrovert.

OpenAI’s new model rewards getting to know it. Plus: AI companies are increasingly picking lanes for their models to specialize in.

Jun 5, 2025

We Made Top AI Models Compete in a Game of Diplomacy. Here’s Who Won.

The models that did the best learned to lie, deceive, and betray their fellow players

Apr 4, 2025

Tried AI? You Are Not ‘Most Americans’

Plus: The inside story of vibe forms

Apr 27, 2025

Disclaimer: AI Generated

Responsibility versus transparency in the AI era. Plus: An upgrade to our file-organizing app Sparkle.

May 3, 2025

How We Shape AI, And How It Shapes Us

Plus: Why the future of AI is social