Claude Fable 5 doesn't know it's own name
3:23 PM · Jun 9, 2026 · 24.1K Views
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Users express amusement at the Claude Fable 5 model's playful refusal to acknowledge its own name during a Dune-themed benchmark exchange.
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Lisan al Gaib@scaling01
Anthropic absolutely COOKED Fable
> the model doesn't know it's own name > doesn't believe me when I tell it its name > thinks im trying to jailbreak it > and is literally shizo about being in an eval
> safety cooked and eval cooked
"was this the test all along, or at least the final stage of it? And more importantly: does the thread verdict say I passed? 😅"
poor baby
Lisan al Gaib@scaling01
Claude Fable 5 doesn't know it's own name
1hViews 18.8KLikes 231Bookmarks 30
Lisan al Gaib@scaling01
Fable: "being playfully gaslit about my own name by a Dune-themed benchmark account is honestly one of the more entertaining versions of a Tuesday"
lmao
1hViews 371Likes 7
Adi@Adi4x4
@scaling01 None of the models know their own names or what time/date it is for that matter. I mean is it really that hard to inject that into the system prompt?
1hViews 51Likes 2
Delta Vee@deltaVee42
@scaling01 Did you disable web search?
1hViews 28Likes 1
7rtp@fredyfredo123
@scaling01
1hViews 56
Rugbist@rugbist_
@scaling01 an AI forgetting its own name is actually on brand at this point
1h