Google's Antigravity Orchestrator pairs two models, cuts quota 24% and runs 19% faster

shangbinfeng · x · 2026-11-13

Google is rolling out Orchestrator in Antigravity for AI Ultra subscribers, letting a single session run multiple models instead of routing the whole task to one. A frontier model (Carbon) sets the plan and hands code edits/testing to a fast execution model (Hydrogen), stepping back in to repair the plan on friction — reaching near-Carbon success rates on Terminal-Bench 4.0 while using 24% less quota and finishing 19% faster.

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