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Does Vertex AI have Custom Instructions?
YES
System instructions in Agent Studio and API prompts.
Does Vertex AI have Custom Instructions?
Vertex AI supports Custom Instructions. Set persistent, global rules for how the AI should behave or respond across all chats (e.g., always output Python code, or never use emojis). 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. System instructions in Agent Studio and API prompts.
- Tool
- 🔺 Vertex AI by Google
- Feature
- Custom Instructions · Memory & Context
- Status
- Yes, requires plus plan
- Notes
- System instructions in Agent Studio and API prompts.
- Pricing
- Requires Plus plan.
- Source
- cloud.google.com
- Last verified
- 2026-09-02