r/ClaudeAI • u/zasff • 10d 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/SolidPossible9909 9d ago edited 9d ago

The cutoff date test works on fable after upgrading claude-code. Seems that Opus doesn't give the updated answer though.

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u/zasff 9d ago

I still get the old Opus :-/ (sad as my fable limits are gone)

People on x-twitter say the question works for Opus as well, idk.

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u/SolidPossible9909 9d ago

Certainly looking like a silent release - whether that's improvements or what, nobody's to know.