How to Use Fable 5 as Orchestrator and GPT-5.6 as Worker in Multi-Agent Workflows

The blog shows how to use Fable 5 as an orchestrator and GPT-5.6 Soul as a worker in multi-agent workflows. This model routing pattern cuts costs by 10x without sacrificing quality. It includes practical steps for planning and review with Fable 5 and execution with GPT-5.6.