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easton 7 hours ago  [ - ]

I think that’s by AWS though. For Fable you need to flip an account wide flag that says “I want to share my prompts with the model vendor.”

justinclift 7 hours ago  [ - ]

The Fable announcement page on the Anthropic site says this data sharing will be applied regardless of the sharing setting of the company account.

https://www.anthropic.com/news/claude-fable-5-mythos-5#a-new...

---

  ## A new data retention policy

  Finally, we’re making a change to the way we handle business
  customer data for Fable 5, Mythos 5, and future models with
  similar or higher capability levels. We will require 30-day
  retention for all traffic on Mythos-class models, on both
  first- and third-party surfaces. [...]
voxic11 6 hours ago  [ - ]

No it says sharing is required. If you don't change the setting on your account then you simply can't access Fable, its not like the setting is ignored. I just tried this on my account and it blocks API requests to Fable.

justinclift 4 hours ago  [ - ]

Interesting. When I tried switching to it yesterday from Opus 4.8 ("/model" command) it didn't complain, but I didn't actually send anything to it when I saw the cost was like 2x Opus 4.8. ie switched back

I'll try to remember to actually try it tomorrow and see what happens.