What I Read This Week by Trevor Houghton

Reads · saved 2026-07-06

Use Fable to plan, cheaper models to execute

Jacob @JacobMolBio ♥ 335

A cost pattern worth stealing. Let the expensive frontier model do the planning and hand the grunt work to cheaper ones. Obvious in hindsight, and it quietly changes how you budget a project.

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Since Fable 5 is fantastic at everything, but pricier than other models, a good setup is to have Fable act as a planner or conductor for a project, where other models take on the execution.

Many of us also pay for OpenAI's Codex, like Matt, which unlocks GPT-5.5 workers that https://t.co/O2wNSV1QjL

**Quoted @MatthewBerman:** Implementing this today. I'm paying $200 for each service and want to get the most out of both.

Fable -> Planning

GPT-5.5 -> Execution

@theo why didn't you build a skill for this instead of CLAUDE.md?

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