A little GPT4.1 Test

Advent of Code 2025 .. first task : Day 1 - Advent of Code 2025

In testing Kai, GTPT4.1 returned this first answer … and then when prompted the second answer.

Nicer code, and I was surprised to see it using the newly added Tertiary Operation.

I think it’s also interesting to see the little things that need a tidy up in the second version.

I’m a bit flabbergasted.

I hadn’t especially wanted Fable 5 to answer my question … I was expecting Opus 4.8 or whatever.

But asked this opening question in Claude Desktop … and it went and did a whole thing.

I was very confused .. and very mildly alarmed. WHERE IS THIS HAPPENING??? :sweat_smile:

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You can still ask it to save the files locally - it will still have them in context.

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It did give me this at the end …

I just hadn’t expected any of it to occur.

I was just looking for “introductory remarks” basically. :grinning_face_with_smiling_eyes:

I had started with this, which statement it agreed with :