# FAQ
Frequently Asked Questions - Voximplant Voice AI
All Questions
Getting Started
AI and LLM Interaction
Speech System Support
Telephony and Calling Support
Pricing
What is Voximplant AI?
What can I build with Voximplant AI?
What is the fastest way to build a Voice AI Application with Voximplant?
What AI systems does Voximplant support?
What Voice AI pipelines does Voximplant support?
Is it easy to use and switch between multiple LLMs?
Am I limited to using LLM's and speech providers that are already integrated with Voximplant?
What Text-to-Speech systems does Voximplant support?
Do I need to implement Speech-to-Text with my Voice AI agent?
How do I use Speech Synthesis for Voice AI applications?
What real time voice channels do you support?
Do you support video?
What SIP capabilities do you support?
How does Voximplant charge for Voice AI
How much does LLM connectivity cost?
How much does telephony and WebRTC connectivity cost?
How much does Text-to-Speech cost?