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simonw 6 hours ago

Anyone lost access yet? Fable is still working for me on https://claude.ai/ and in Claude Code.

UPDATE: I lost access at 6:59pm pacific.

steve_adams_86 6 hours ago | parent | next [-]

It appears to be working for me, but... Maybe it's silently degrading? It's hard to say.

Retr0id 6 hours ago | parent | next [-]

The fact that it's hard to say is funny, in contrast with the fanfare surrounding the launch of Fable.

greenavocado 6 hours ago | parent [-]

Fable is currently way below many other models in the rankings due to some sort of internal throttling https://aistupidlevel.info/

GPT-5.4 is currently the strongest model (this changes hourly)

Methodology: https://aistupidlevel.info/faq#methodology

Retr0id 5 hours ago | parent | next [-]

Well, that's certainly some web design.

DetroitThrow 6 hours ago | parent | prev [-]

Methodology leaves a lot to be desired in terms of understanding the tasks you've used. Being detailed about why they're more meaningful tests than the long horizon and coding tests used by other rankings is important.

False positives and poorly defined tasks/acceptance criteria have let some models have insanely inflated scores on bad benchmarks.

And sure, you can say they're not disclosed to prevent gaming, but if you're the only one who can review them then the might as well be a random number generator display with an unreadable UI.

greenavocado 5 hours ago | parent [-]

You're not wrong, but the scores track with my experience switching between the proposed top variants. So there's my unscientific "evidence."

nrmitchi 5 hours ago | parent | prev | next [-]

I don't know how fast they reacted, but shortly after their documented time I started getting opus availability errors from fable requests, which seemed odd.

I'd also think that they would transparently degrade, just to prevent production outages for clients that are requesting Fable explicitly.

steve_adams_86 5 hours ago | parent [-]

I mean hard to say on such short notice because they can swap out models without any notice. In terms of performance, I'm not asking it to do anything crazy so I think results would be similar across both models.

It did just use a small harness to run docker compose with different envs and other settings to validate a very small change, so... Feels like Fable

nrmitchi 5 hours ago | parent [-]

No, I mean I was using fable (or, trying) and got an api error "Error: claude-opus-4-8[1m] is temporarily unavailable"

re-thc 6 hours ago | parent | prev | next [-]

> Maybe it's silently degrading? It's hard to say.

Opus 4.8 spams a lot more text. It'd be obvious.

blueaquilae 5 hours ago | parent | prev [-]

But token price is still fable level?

sothatsit 5 hours ago | parent | prev | next [-]

It is gone for me now.

> There's an issue with the selected model (claude-fable-5). It may not exist or you may not have access to it.

AnotherGoodName 4 hours ago | parent [-]

Yep took a while but it's down. It's still in the model picker but it's broken

waffletower 4 hours ago | parent [-]

Restart Claude Code and pick up the update to see the acknowledgement that Fable is gone.

kip_ 5 hours ago | parent | prev | next [-]

I hadn't, but then 2.1.177 dropped in on auto-update and I assumed that was going to be the end of Fable for me, but I'm still on it. At least that's what the model picker is continuing to say along with the header.

    Claude Code v2.1.177
  Fable 5 with low effort · Claude Max
       ~/testing
Never mind, it failed a few minutes later with: There's an issue with the selected model (claude-fable-5). It may not exist or you may not have access to it. Run /model to pick a different model.

And now we're done. Oh well.

guybedo 6 hours ago | parent | prev | next [-]

ssshhhh don't tell anybody it's still working, i have some stuff to do :-)

danso 5 hours ago | parent | prev | next [-]

I was using Fable to review my codebase and came back from the gym an hour later to find that I had suddenly used up my entire Max plan quota for the next 5 hours

(I have never had an agent do enough to burn up the 5 hour quota on Max)

(edit: just switched my CC model to 4.8 and my 5-hr cycle reset back to 0%, even though it previously had 2 more hours to go)

cedarscarlett 4 hours ago | parent | prev | next [-]

This is just Anthropic being nice enough to wean us off before the 22nd.

Edit: https://www.anthropic.com/news/fable-mythos-access

Tiberium 6 hours ago | parent | prev | next [-]

I still also have access, so either they silently reroute Fable 5 to Opus 4.8 or hasn't actually pulled the switch yet.

SXX 6 hours ago | parent | next [-]

You'll never know. They'll just silently sabotage if you're foreign national.

reneberlin 5 hours ago | parent | prev [-]

Mythos escaped by itself, of course. You can't dictate the rules to a clever model like that :)

gs17 6 hours ago | parent | prev | next [-]

It identifies as Fable 5 for me, but it could just be Opus with the Fable system prompt.

IAmGraydon 5 hours ago | parent [-]

Why would they do that?

i7l 4 hours ago | parent [-]

So you eat your usage quota twice as fast or pay for API requests twice as much.

flurdy 5 hours ago | parent | prev | next [-]

> There's an issue with the selected model (claude-fable-5). It may not exist or you may not have access to it. Run /model to pick a different model.

whh 6 hours ago | parent | prev | next [-]

No, still cracking on with a bug fix. Definitely feels like it's still Fable.

6 hours ago | parent | next [-]
[deleted]
whh 6 hours ago | parent | prev [-]

Anthropic has just reset usage limits.

whh 5 hours ago | parent [-]

I just got done now:

> There's an issue with the selected model (claude-fable-5). It may not exist or you may not have access to it. Run /model to pick a different model.

winterbourne 6 hours ago | parent | prev | next [-]

Just turned off for me on Claude Code. Good while it lasted.

5 hours ago | parent | prev | next [-]
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eranation 6 hours ago | parent | prev | next [-]

Still works for me but I don't know if it's gaslighting me or not... fool me once situation here...

IAmGraydon 5 hours ago | parent | prev | next [-]

Working fine for me.

paramschaudhari 4 hours ago | parent | prev | next [-]

Not working for me.

enraged_camel 5 hours ago | parent | prev | next [-]

I lost it just now. Had a workflow running. :(

consumer451 6 hours ago | parent | prev | next [-]

shush, lol

edit: And... it's gone

> There's an issue with the selected model (claude-fable-5). It may not exist or you may not have access to it. Run /model to pick a different model.

EchoVoicy 5 hours ago | parent | prev | next [-]

DELETE THIS

siddboots 5 hours ago | parent | prev | next [-]

[dead]

AustinSerb 4 hours ago | parent | prev | next [-]

[dead]

simonuu 4 hours ago | parent | prev | next [-]

[dead]

uckuckyuck 5 hours ago | parent | prev [-]

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