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Claude Fable 5

anthropic.com

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Re: Claude Fable 5

#291

Post by aesthesia »

asdK120 wrote: post #164

Is this "system card" equivalent to the stone tablets handed down to Moses? Why don't you call it "user manual"? Do people chant the "system manual" at Anthropic Tupperware parties? Do they intone a mantra invoking Amodei's name?

Because it's not a user manual? The idea of a model card originated in 2018 (see https://arxiv.org/abs/1810.03993) as a summary of important facts about a model. At the time, this was typically an image classifier or tabular ML model. Model cards became an important concept in AI governance, and they started expanding once models started getting more capable. The point of a model/system card is to document where the model came from and the evaluations that have been run, make a case that the model will be safe and reliable in its intended applications, and warn about any potential dangers from misuse. It's not an explanation of how to use the model.

OpenAI also releases system cards; here's GPT-5.5's: https://deploymentsafety.openai.com/gpt-5-5/safety

Re: Claude Fable 5

#292

Post by ibejoeb »

iblue_the wrote: post #101

Trying to implement a GPU driver, but the Unigine Superposition benchmark crashes. It tried to debug it and ... > Fable 5's safety measures flagged this message for cybersecurity or biology topics. They may flag safe, normal content as well. These measures let us bring you Mythos-level capability in other areas sooner, and we're working to refine them. Switched to Opus 4.8. Send feedback with /feedback or learn more:…

>Seems like GPU drivers are cyber weapons

They kind of are, at least in the AI race.

> weapons of math destruction

lol. great, whether intentional or not.

The frontier labs now have every reason to hold back and sell only to their preferred trading partners. I don't really like the new arbiter-of-knowledge system we're barrelling toward.

Re: Claude Fable 5

#294

Post by theLiminator »

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 is pretty bullshit, now you have no idea if your output is getting silently nerfed.

Re: Claude Fable 5

#295

Post by stronglikedan »

Careful using this with Cursor, especially for corp use. Anthropic will "retain agent request and output data associated with this model, regardless of you Cursor Privacy Mode setting."

Re: Claude Fable 5

#296

Post by cedws »

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 :)

Re: Claude Fable 5

#298

Post by balverineorder »

I have been refactoring a project using Opus 4.8 for the last week or so. I just decided to switch to Fable 5 max. It stopped half way through and it just blocked me and switched back to Opus 4.8 automatically. "This model has specific safety measures that flagged something in this message. This sometimes happens with safe, normal conversations. Send feedback or learn more." I left feedback saying that their heuristics are too sensitive. For now I will not be using Fable 5.

[0] https://support.claude.com/en/articles/15363606-why-claude-s...

Re: Claude Fable 5

#299

Post by redox99 »

asdK120 wrote: post #164

Is this "system card" equivalent to the stone tablets handed down to Moses? Why don't you call it "user manual"? Do people chant the "system manual" at Anthropic Tupperware parties? Do they intone a mantra invoking Amodei's name?

It used to be a "card", as in a single page or two. It doesn't make sense that they still call it that.

Re: Claude Fable 5

#300

Post by bluelightning2k »

To hide the severity of the price increase, the plan is to move everyone right one model.

Haiku = essentially phased out Sonnet = the Haiku use cases Opus = the new Sonnet class Fable = the new Opus class

If I am right, the other "5.0" models will be conspicuously absent, possibly even for a couple of months. (If Opus 5 follows soon and is even modestly better than 4.8 then I was wrong.)

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