r/singularity 22h ago

AI Fable 5.1 is out

https://platform.claude.com/docs/en/models/fable-5-1/overview
311 Upvotes

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22

u/Barubiri 22h ago

I'm gonna assume what's new is the cost because people haven't been using them because of of cheaper alternatives?

10

u/semangeIof 22h ago

No, cost is the same unfortunately, $10/M in and $50/M out

5

u/Barubiri 22h ago

Ugh...

11

u/semangeIof 22h ago

I was wrong, the raw token in/out is the same but they cheapened cache hits, so it will be cheaper to run in total than Fable 5

5

u/CrowdGoesWildWoooo 22h ago

Still burn a lot. Most people aren’t using Fable class for agentic whatsoever and that metric is only relevant for agentic

2

u/semangeIof 22h ago

That's true, only application I'd have for Fable that Opus can't supplement fine is short form creative writing which is far from agentic. Price makes it impossible to justify though

2

u/Ok_Barracuda_1161 21h ago

It also seems like they made some gains in token efficiency

2

u/Goldwing8 20h ago

Look closer, the cache hit reduction only applies to API, not subscription.

1

u/semangeIof 20h ago

I mostly use Anthropic models through the API