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ai morning #18 — fable 5 is back, but a hidden classifier is rerouting your sessions

Fable 5 came back. The model weights are unchanged. But a new safety classifier sits above it, silently rerouting prompts to a fallback model. Then WSJ court documents surfaced and made the story bigger: the Anthropic-Pentagon dispute was never about access to Claude at all.

Marcus walks through what actually changed in the Fable 5 redeployment, why a Pentagon undersecretary negotiated guardrail terms with Anthropic's CEO by email, and what it means for builders who assume they're getting the model they paid for.

In this episode:

00:00 Intro

01:30 Fable 5's router nerf and Pentagon fight —…

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