This feature is available to the organization Admin role on the Pro plan or higher. See the organization role matrix.

Available settings
The Reasoning, Mode, and Context Window settings are model-aware. They appear based on the model you pick and come from that model’s settings schema. These are the same per-model settings described in AI advanced settings.
For File Sharing Behavior, the available values are:
How defaults apply
Every new custom agent created in the organization inherits these defaults for anything its creator does not set:- The model and its model settings
- File-sharing behavior
- The agent’s default abilities configuration, including which native abilities are on and which image model Image Generation uses
- The agent icon
- The agent’s self-improvement settings, which follow the creator, such as their timezone
