| title |
|---|
Available Models |
The Ultravox API currently provides the following models.
| Model | Description |
|---|---|
| fixie-ai/ultravox | This is an alias that points to ultravox-70B. The default if no model is specified when creating a call with the API. |
| fixie-ai/ultravox-70B | Based on Llama 3.3 70B. Supports tools. |
| fixie-ai/ultravox-8B | Based on Llama 3.3 8B. Not recommended for most use cases. Tools are unlikely to work. |
| Model | Description |
|---|---|
| fixie-ai/ultravox | This is an alias that points to `ultravox-70B`. The default if no model is specified when creating a call with the API. |
| fixie-ai/ultravox-70B | Based on Llama 3.3 70B. Supports tools. |
| fixie-ai/ultravox-8B | Based on Llama 3.3 8B. Not recommended for most use cases. Tools are unlikely to work. |
| fixie-ai/ultravox-mistral-nemo-12B | Based on Mistral NeMo 12B. Mistral handles the system prompt differently. See [`initialMessages`](/api/calls/#more-info). |
Each model can be used when creating a call via the API. For example:
// Example request body to create an Ultravox call
{
"systemPrompt": "You are a helpful assistant...",
"model": "fixie-ai/ultravox-70B"
}