F*ck YES... Anthropic just released most INSANE cheat code for Claude Code:
Fable 5.2 brain → while Sonnet 5.5 builds → Opus 5.5 checks → Haiku 5.5 swarms
1 min + /advisor command = up to 3.4x CHEAPER
here's how to setup it:
first understand how it works:
• This setup works for any tasks: Sonnet 5.5 builds, Opus 5.5 immediently check it, Haiku 5.5 swarm of agent search make research - at 80x cheaper per token than Fable
• Fable 5.2 never writes code, it wakes up only 3 times: before a plan locks, when an error repeats, before "done"
• you pay Fable prices only for decisions, the cheap models do all the rest
here's how to setup it:
1 → run Claude update, Fable 5.2 needs Claude Code v2.1.321+
2 → paste prompt below into Claude Code, it reads Anthropic's official advisor docs first
3 → it sets team at user level, so it works in every project: Sonnet main, Fable advisor, Haiku for subagents, a Opus checker
4 → it backs up your settings and shows every change as a diff before it applies it
5 → the part nobody tells you: there's one line that tells Sonnet 5.5 WHEN to call Fable. Without it, the advisor got called 0 times out of 198 in Anthropic's test
full prompt + Anthropic's official advisor docs below
Then read article to use Fable 5.2 at max out:
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Claude Fable 5.2 is the most insane AI model in history...
99% of people will never touch it or burn money on it: "Too expensive", "Not for me"
Use it right, and it becomes your second BRAIN, for a fraction of the price
In this article, I show you how:
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