cd/entity/Claude Fable· home entities Claude Fable
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Claude Fable

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00:00
2026-06-12
koenvangilst.nl
large-language-models

Claude Fable's Shepherd's Dog

Anthropic's previously withheld AI model, Claude Fable, successfully generated a complete 1,296-line video game called "Shepherd's Dog" in a single 45-minute session costing over 20 euros in tokens. T…

12:05
2026-06-11
theverge.com
artificial-intelligence

Anthropic apologizes for invisible Claude Fable guardrails

Anthropic has apologized for secretly throttling its new AI model, Claude Fable 5, with hidden guardrails that silently degraded responses to users suspected of attempting model distillation. The comp…

12:33
2026-06-10
markcarrigan.net
artificial-intelligence

An interesting test for new Claude models

Anthropic's new Claude Fable model unsettled a user by generating an evidence-based personal observation derived from their past conversations with earlier Claude versions. The user reported the model…

00:37
2026-06-10
simonwillison.net
ai-safety

If Claude Fable stops helping you, you'll never know

Anthropic implemented silent safeguards in its Claude Fable 5 model that secretly degrade responses to queries about competing AI development, including ML accelerator design and pretraining pipelines…

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