@Alex
Using a custom assistant configuration on the fly for each ServerMessageAssistantRequest, as opposed to using a preselected assistant ID, could potentially introduce some performance overhead. This is because each new configuration would need to be interpreted and loaded at runtime, which might take longer than accessing a pre-configured assistant that is already optimized and possibly cached by VAPI's infrastructure.
VAPI is designed to be efficient with pre-configured assistants, as these configurations can be optimized ahead of time. When you use a static assistant ID, VAPI can leverage caching mechanisms to quickly load the assistant's settings, which can result in faster response times and lower latency.
However, if your use case requires dynamic configuration to provide custom variables and behavior, the flexibility might outweigh the performance cost. It's important to balance the need for dynamic responses with the potential performance impact.
If you are experiencing noticeable delays or have specific performance requirements, it might be worth exploring if there are ways to optimize your dynamic configurations or if some parts of the assistant's behavior can be standardized and pre-configured.
For more detailed information on performance implications or optimization strategies, please ask support for more info on this.