How to Customize the Tone and Voice of Your AI Agent

October 27, 2025

Customizing the tone and voice of your AI agent is simple—and it makes a big difference in how your users connect with it. Whether you want the agent to sound professional, friendly, or casual, adjusting the tone helps you set the right mood for every interaction.

By fine-tuning these settings, you can create a communication style that feels natural, authentic, and perfectly aligned with your brand’s personality. It’s all about giving your users an experience that feels more personal and engaging.

Customizing AI Agent’s Tone and Voice

It’s super easy to customize the tone and voice of your AI agent. With just a few adjustments, you can shape how it communicates and make it sound exactly the way you want. You can do it in just a few steps:

  1. In Agent Builder, in the blue navigation bar at the top of the page, click on Train.
  2. In the menu on the left side of the page, click on AI Persona.
Navigating to AI Persona settings in Agent Builder under the Train tab for customizing agent behavior
  1. Then, click on the Tone of VoiceDropdown menu, and select from the following options:
    • Friendly — This creates a friendly, warm, and welcoming environment, helping users feel comfortable and valued while fostering a positive, supportive atmosphere.
    • Professional — A professional tone maintains a polished and respectful approach, providing clear guidance and expert help in a way that feels reliable and authoritative.
    • Casual — Set your AI Agent to a relaxed, conversational tone that’s ideal for informal interactions and makes communication feel more laid-back and approachable.
  2. If you want to add a custom tone of voice, simply enter the type you want and then click on the + Add icon.
Selecting a tone of voice in Agent Builder from options like Friendly, Professional, or Casual to customize AI communication style

Note

Any changes made in the AI Persona section of the AI Agent Builder are saved automatically and will immediately appear in the AI Agent’s behavior and responses.

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