Multi-Model Orchestration Stacks Mature

A common stack is emerging: Fable or Sol XHigh as architect and reviewer, Luna/Terra for mid-tier coding, Grok or Codex as fast executors, with cross-model plan reviews to catch blind spots. A shared subagents_configs re…

@jarvisballer detailed a Fable-replacement stack — Opus 4.8 as orchestrator/judge, Codex/GPT-5.5 as builder and independent verifier, Gemini for 1M-context breadth reads — with every load-bearing claim checked by a diffe…