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Does Vertex AI have Structured Output (JSON)?
YES
JSON schema / response schema in Gemini API.
Does Vertex AI have Structured Output (JSON)?
Vertex AI supports Structured Output (JSON). Guarantees that the AI response will strictly adhere to a specific JSON schema, essential for reliable software engineering. Vertex AI (marketed as Gemini Enterprise Agent Platform) is Google Cloud’s platform: Model Garden (Gemini, Claude, Gemma), Agent Studio, tuning, Vector Search, notebooks, and MLOps. JSON schema / response schema in Gemini API.
- Tool
- 🔺 Vertex AI by Google
- Feature
- Structured Output (JSON) · Developer
- Status
- Yes, requires plus plan
- Notes
- JSON schema / response schema in Gemini API.
- Pricing
- Requires Plus plan.
- Source
- cloud.google.com
- Last verified
- 2026-09-02