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Claude Fable 5

anthropic.com

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Re: Claude Fable 5

#901

Post by bfrog »

teiferer wrote: post #769
simonw wrote: post #534

I've spent enough time with this now in Claude Code (and Claude.ai and Claude Code for web) to have an opinion on Fable 5: it's a beast. I'm throwing some VERY difficult problems at at - things I've been dragging my heels on for months - and it's crunching through them very happily. One that I'm willing to share (albeit from just a week ago) - I built a Python library last week that bundles MicroPython compiled to WA…

> It's possible Opus or GPT-5.5 could have done this too, I've not tried the exact same sequence. The Fable vibes are good here, though. And that's the thing. These comparisons are all gut feelings. I'm missing objective unbiased measurements to actually have real comparisons between different models, their different generations, or even just the convention that everybody adds "you are an expert software engineer" an…

How do you measure the performance of people? This is subjective and biased every time.

Re: Claude Fable 5

#902

Post by brokencode »

busch_j wrote: post #876
caleblloyd wrote: post #762

I recently switched off Max flat rate to Enterprise API pricing and I went from 200/mo to 10k/mo with the same usage pattern on Opus. They don’t offer flat rate to enterprises. So Fable would cost me 20k/mo at Enterprise rates. That’s around the average cost of a loaded SWE in the USA. “But I’m >2x more productive” doesn’t justify doubling the opex of the Software/IT department for most companies when revenue isn’t e…

I work at a smaller tech company ( Our top user is at 10k a month, but the next highest is $2,000. I would say the average is around $1,000-$1,500 for a developer. We have completely unrestricted access to Claude, Codex, and Cursor. Funny enough, the guy spending 10k is not even a dev by trade but an SME in what we work on that just vibe codes apps and somehow has not been cut off yet lol. I have a single thread of G…

At my company, most devs are under $1500 a month as well.

I’ve heard of a few cases of devs racking up bills fast, but it has typically been due to inefficient context usage. Like they just have one super long session with Opus 1M and are getting killed with input token costs and cache misses.

With careful context management and some thought into good approaches to problems, I have personally only rarely even hit $1k in regular use.

Re: Claude Fable 5

#903

Post by cedws »

larodi wrote: post #792
simonw wrote: post #534

I've spent enough time with this now in Claude Code (and Claude.ai and Claude Code for web) to have an opinion on Fable 5: it's a beast. I'm throwing some VERY difficult problems at at - things I've been dragging my heels on for months - and it's crunching through them very happily. One that I'm willing to share (albeit from just a week ago) - I built a Python library last week that bundles MicroPython compiled to WA…

One thing I can tell you is you are either favored by Anthropic, or your version of the CLI does not exhaust limits, or there's some major bug, as two people around me (myself included) claim it took half an hour to hit the ceiling. Which makes it practically unusable, where the same workflow a day ago produced a good 5-6 hours of workload with several agents.

It’s not meant for subscription users; the subscriptions are just the gateway drug to Enterprise pricing which Anthropic intends to use to juice their numbers before IPO.

Re: Claude Fable 5

#904

Post by fendy3002 »

PeterStuer wrote: post #186
AquinasCoder wrote: post #42

From today through June 22, Fable 5 is included on Pro, Max, Team, and seat-based Enterprise plans at no extra cost. On June 23, we’ll remove Fable 5 from those plans. Using it after that will require usage credits. If capacity allows, we’ll extend the included window. After this point—when sufficient capacity allows us to do so—we aim to restore Fable 5 as a standard part of subscription plans. We intend to do this…

I'll be amazed if they manage to keep their infra responsive over the next 2 weeks.

Opus will be gutted furthermore. /s I feel 4.8 is very slow in last 2 days

Re: Claude Fable 5

#906

Post by dwa3592 »

This is my feeling - Opus 4.6 was pretty good, 4.7 was degraded in quality, 4.8 further got degraded and Fable goes back to 4.6 + somewhat better. Is it anthropic playing us by giving us a not so good model in last 2 releases and then releasing a better model before the IPO?

They're vibemaxxing. But it's clear that AI is not going anywhere. It's going to become better and better.

Re: Claude Fable 5

#907

Post by melicerte »

cedws wrote: post #296
bkjlblh wrote: post #220

> In light of the ability of recent models to accelerate their own development, we’ve implemented new interventions that limit Claude’s effectiveness for requests targeting frontier LLM development (for example, on building pretraining pipelines, distributed training infrastructure, or ML accelerator design). Using Claude to develop competing models already violates our Terms of Service, but enforcing this restrictio…

This makes me want to see China and open models succeed more than anything :)

Do you know that some open models developed in China are financially supported by Meta ?

Re: Claude Fable 5

#908

Post by r0fl »

vbezhenar wrote: post #842
caleblloyd wrote: post #762

I recently switched off Max flat rate to Enterprise API pricing and I went from 200/mo to 10k/mo with the same usage pattern on Opus. They don’t offer flat rate to enterprises. So Fable would cost me 20k/mo at Enterprise rates. That’s around the average cost of a loaded SWE in the USA. “But I’m >2x more productive” doesn’t justify doubling the opex of the Software/IT department for most companies when revenue isn’t e…

I don't live in USA. I'm getting paid around $2500/month and that's good salary for developers here, plenty of folks are getting below that number. So this pricing is just completely outside of our economics and nobody I know would pay that, no company will justify spending $20k/month when they can hire 10 more developers instead. It is very interesting unfolding of events. Can't wrap my head around it completely.

Hiring 10 more developers comes with its own set of difficulties and additional overhead

Re: Claude Fable 5

#909

Post by notrealyme123 »

Jabrov wrote: post #252
bkjlblh wrote: post #220

> In light of the ability of recent models to accelerate their own development, we’ve implemented new interventions that limit Claude’s effectiveness for requests targeting frontier LLM development (for example, on building pretraining pipelines, distributed training infrastructure, or ML accelerator design). Using Claude to develop competing models already violates our Terms of Service, but enforcing this restrictio…

A million AI researcher voices at big tech companies suddenly cried out in terror and were suddenly silenced

I am a AI Researcher at a university. I tried Fable for my current project, but i feel it missunderstands me a bit to often. Now i don't know if i am using it wrong, or anthropic tries to slow my research. That model is a big no no.

Re: Claude Fable 5

#910

Post by mirsadm »

fzysingularity wrote: post #753

I can’t help but think that there are so many astroturfed comments in here. Seems like a concerted and distributed effort from the entire Anthropic team every time to get this on top of HN.

It's the real deal. Before Fable nothing I tried worked. It has finally helped me finish my teleportation device. I can't show you or anyone the proof but trust me it's true.
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