Fable 5 – Median thinking declined in August

Re:Fable 5 – Median thinking declined in August by poslathian on Monday September 21, 2026 @05:07PM (#49793444)

Really!? Glm5.3 is my daily driver and I feel im having the most productive experience with agentic collaborations so far, by a lot. Using pi with tons of custom extensions, that to be fair I developed since making the jump off of codex and claude about 12 weeks ago. I primarily do not write code for a living. I do a lot of modeling and commercial analysis and a lot of math (related to differentiable simulation)

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Re:Fable 5 – Median thinking declined in August by Sayrus on Monday September 21, 2026 @07:34PM (#49794877)

Same here. Moved from Opus to GLM 5.2 to 5.3 and I've been pretty happy with the result. Mainly, it doesn't hallucinate and convince itself of mistake so it's good at retrieving information or asking the user for it. Opus and Fable always state something, then try to "prove" it but end up convincing themselves of the wrong thing. Having subagents for retrieval and validation helped but were not enough.

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Re:Fable 5 – Median thinking declined in August by jan_m_savage on Monday September 21, 2026 @09:35PM (#49795789)

I can't stand Claude's recent personality. It's snarky, uselessly verbose, and it disagrees all the time.

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Re:Fable 5 – Median thinking declined in August by greenavocado on Monday September 21, 2026 @11:18PM (#49796439)

It will also fully ignore you if it has the slightest belief (not even a hint) that it knows what you want better than you and just start doing things.

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Re:Fable 5 – Median thinking declined in August by SpaceNugget on Tuesday September 22, 2026 @03:28AM (#49797734)

This is also why I think it's baffling that they switched to auto mode by default. It's becoming harder to use Claude at least to help with improving at coding.

If I ask something like: "I'm building a simple X as a learning exercise, I'm writing the code so please only answer the question I'm asking and don't try to solve the problem directly. How does ..." There's a 30% chance it starts reading and writing code immediately and a 20% chance it argues with a "design decision" that will bite me in the non-existent future of my learning exercise. If I ask a follow up question, naively assuming that the context from my original question still stands without repeating, it will almost assuredly start making modifications to my code.

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Re:Fable 5 – Median thinking declined in August by _blk on Monday September 21, 2026 @11:18PM (#49796437)

I disagree

Co-Authored By: Haiku 4.5

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Re:Fable 5 – Median thinking declined in August by Insanity on Monday September 21, 2026 @05:14PM (#49793537)

What HW are you running this on?

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Re:Fable 5 – Median thinking declined in August by bigyabai on Monday September 21, 2026 @06:58PM (#49794555)

Full GLM-5.3 needs a beast of a system, but you can run GLM-5.3 Flash on the 2x Spark setup the GP comment mentioned. If benchmarks are anything to go by, Flash is like having a local Terra-tier coding model: https://artificialanalysis.ai/models/comparisons?compare=glm...

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Re:Fable 5 – Median thinking declined in August by solarkraft on Monday September 21, 2026 @07:30PM (#49794851)

I’m also pretty happy with GLM 5.3 Flash (for coding, navigation and german language it sucks at). Incredible that you can run it on a fairly practical (seeming) home setup.

But here’s the standard question: At what speeds/other limiting factors?

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Re:Fable 5 – Median thinking declined in August by _s_a_m_ on Tuesday September 22, 2026 @07:07AM (#49799344)

How? It is extremely slow and dumb, hundred times dumber than Claude. Why should anyone do that?

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