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[This article is prerelease documentation and is subject to change.]
The model your agent uses affects its reasoning capabilities, response quality, and performance. You can select and change your agent's model from the Build tab.
The models available to you depend on the geography of your environment and on whether your administrator allows data to move across regions.
Change your agent's model mode
Open your agent in Copilot Studio, and select the Build tab.
In the primary agent, select the model mode you want. This mode applies to your primary agent and all sub-agents.
Available modes
The following modes are available:
| Mode | Recommended for | Behavior |
|---|---|---|
| Auto — optimized for cost | Chat and text-first scenarios | Uses the latest supported text model. |
| Auto — optimized for latency | Voice and real-time scenarios | Uses the latest supported speech-to-speech model. |
| Finetuned model: optimized for contact center | Specialized contact center use cases | Uses a contact center–optimized model. Coming soon. This option is not currently available. |
Note
This model selection applies only to your primary agent (and all sub-agents). A connected agent hosted in Microsoft Foundry uses a model selected separately, in Microsoft Foundry, which also affects how long the connected agent takes to respond.
Admin controls for AI model selection
Administrators can allow or block makers from adding preview and experimental AI models to agents by using the following settings:
- Administrators can choose to allow or block preview and experimental models in an environment. To use these models, the Preview and experimental AI models setting must be turned on for your environment.
- Data processed within a preview or experimental model might be processed and stored outside of your organization's geographical boundaries. To make experimental models available, your environment must have the Move data across regions setting turned on. The tenant administrator manages this environment-level setting in the Power Platform admin center.
Limitations of experimental and preview models
You can explore and test experimental and preview models, but don't use them for production:
- They might show variability in performance, response quality, latency, or message consumption, and might time out or be unavailable.
- If you publish an agent with an experimental or preview model, and users use the agent, that use is billed at the established rates.
Feel free to experiment with these models. However, be cautious about deploying them in production environments.
Experimental and preview models are subject to preview terms. Microsoft makes these models available before an official release so that you can get early access and provide feedback. If you're building a production-ready agent, see Copilot Studio overview.