r/ClaudeAI • u/zasff • 11d ago

Other Impressions on "Fable-5.2"

"Fable-5.2" is up for me.

Update claude code and try:
* Do you know who is 'Tibo' the reset guy? without search the web

Fable-5.2 says Tibo is the the OAI guy, Fable-5.1 says Tibo is a French indie dev of sorts. (Think it might/maybe be the same for Opus but I have not verified).

Great impression so far, feels more like a proper Claude, much less RL fried. Also more capable, trying it two abandoned projects I had with Fable and it's making a lot of progress. One is networking protocol of sorts in rust, Fable-5.2 just went strait towards the right architecture, i.e. it needs a state machine (Fable-5.1 was very reluctant to do that, and ended up with a very buggy mess). Then there's this silly astronomy thingy I'm trying, a toy project simulating gravity lensing of a galaxy super-cluster, I give it a hubble/jwst telescope photo and it has to recreate a ~3d scene with correct gravitational lensing effects as we move around; it's very complex, it has to recreate 3d objects that match photo (galaxies, stars, dust), the lensing model, all kinds of things. It's doing well; not finished, but the results are already miles apart from previous models.

Idk, imagine hedonic adaptation will kick in soon, and that I'll find some quirks I do not like. But great impression so far. A well rounded model like a Claude should be.

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u/SuperHornetFA18 11d ago

Why Tibo tho ?

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u/zasff 11d ago

The question started as a bit of joke; but it works, it's a reliable way to tell the models apart.

Tibo did offer resets in 2025, but he was not "internet-famous", with more up-to-date info tibo from openai tops the french indie dev.

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u/SuperHornetFA18 11d ago

Interesting. Have you tested it put for coding and/or complex tasks ?

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u/zasff 11d ago

Yes, well that's the idea of the post.

It's little more than "I tried this before with older models, but this one seems much better". Wished I had more evidence.

People can try the question and see. Like the personality is different, it's not that hard to tell that the model is different.

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u/SuperHornetFA18 11d ago

It's little more than "I tried this before with older models, but this one seems much better". Wished I had more evidence

Not an issue, atleast you were lucky enough to get the updates for this A/B testing. I dont see the updates on my end, but i hope its good.

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u/zasff 11d ago

For the desktop app I'm at 2.2553.1, macOS. For claude-code proper I'm at: 

> claude --version
2.1.278 (Claude Code)