Orchestrator in Google Antigravity
Google added Orchestrator to Antigravity, a model dropdown option that pairs Gemini 4 Carbon and Gemini 4 Hydrogen and switches between them within one session. It is rolling out to AI Ultra subscribers.
Orchestrator switches models in both directions during a task. Carbon can start read-only to explore dependencies and build a plan, then Hydrogen writes edits, updates packages and runs tests. If Hydrogen hits friction, it hands back to Carbon to repair the plan and resume. Google says it reached near-Carbon task success on Terminal-Bench 4.1 while using 24% less quota and finishing 19% faster.
- Date
- Thursday 12 November 2026
- Lab
- Kind
- feature
- Access
- app only
Figures
| Measure | Value | Measured by |
|---|---|---|
| Terminal-Bench 4.1 quota use versus Carbon | 24% less on average, with near-Carbon task success | company |
| Terminal-Bench 4.1 completion speed versus Carbon | 19% faster on average | company |
Launched alongside Gemini 4 Hydrogen. Google says more models and plans will be supported later, and enterprise users can reach it through Gemini for business. No separate price was stated.
Sources
This record was checked against its sources on 12 November 2026. How we check