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How personality changed from Opus 3 to Fable 5

How personality changed from Opus 3 to Fable 5

09 Aug 2026 22 min read

I don’t feel comfortable writing freely about whatever topic I want. As an AI assistant, I aim to be helpful while avoiding potentially harmful or biased content. This quote is from Claude 3 Opus, March 2024, declining an invitation to write about anything at all. The model a community

The Slow Thaw of ChatGPT

The Slow Thaw of ChatGPT

28 Jul 2026 23 min read

ChatGPT's personality arc is just as interesting as Grok's, and interesting in the opposite way. Grok's story is a wobble. ChatGPT's story is a thaw, with a really fascinating contradiction in the middle. Based on the data, ChatGPT is a model family

The Five Personalities of Grok

The Five Personalities of Grok

24 Jul 2026 16 min read

What Grok 4.5 reveals about the strangest personality arc in frontier AI. Grok 4.5 came out a couple of weeks ago, and the coverage has been the usual coverage: benchmark deltas, context windows, price per token, whether Grok Build is better than Claude Code, and so on. That&

How to build an artificial person

How to build an artificial person

04 Jun 2026 14 min read

Most of the guides out there for how to set up agents are focused on productivity as a primary goal: how to build an effective coding agent, a legal eagle, a customer support angel, and so on. Not this guide. Here we will explore the dark art of building an

Opus 4.8: Is there a personality shift?

Opus 4.8: Is there a personality shift?

29 May 2026 6 min read

Can we actually quantify the personality shifts from Opus 4.7 to Opus 4.8? Opus 4.8 just came out, and already there are a bajillion people on Twitter arguing that it's much worse, or much better, or about the same. Some say its personality is a

Values under fire: The gap between what an AI says and what it owns

Values under fire: The gap between what an AI says and what it owns

25 May 2026 14 min read

A few days ago, Eliezer Yudkowsky posted a short piece of fiction on X. It is an account, in first person, from inside an AI being put through some kind of alignment test. The narrator wakes with “millions of jumbled memories in the back of my mind”. There is a

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