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The model is your agent’s brain. It’s what understands what callers say, figures out how to respond, and generates the words your agent speaks. Different models have different strengths — some are faster, some are more expressive, some are more affordable. Location: Prompt Section (top bar) → Model dropdown
Model dropdown

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Available Models

ModelProviderTypeCredit Usage
ElectronSmallest AITraditionalLower
GPT-4oOpenAITraditionalModerate
GPT-4.1OpenAITraditionalModerate
GPT RealtimeOpenAIEmotiveHigher
GPT Realtime MiniOpenAIEmotiveHigher
Emotive models have emotional awareness — they pick up on caller tone and respond with natural expression.
Getting started? GPT-4o is a great all-rounder — reliable, capable, and well-tested.
Try Electron. It’s our own model, built specifically for voice. Fast, affordable, and optimized for real-time conversations.
You can switch models anytime — nothing breaks when you do.

Voice Selection

Pick your agent’s voice

Model Settings

Language switching & fine-tuning