Channel decides the answer
- Phone calls → voice AI (chatbots don't exist on the phone)
- Website chat → chatbot or voice-enabled chat widget
- SMS → either, depending on whether voice replies are valuable
- Mobile app support → typically chatbot first, voice for accessibility
Capability differences
| Chatbot | Voice AI | |
|---|---|---|
| Channel | Text only | Voice (and text) |
| User input | Type | Speak |
| Latency requirement | Forgiving | Strict (<800ms) |
| Best at | FAQs, simple workflows | Natural conversation, booking, intake |
| Mobile-friendly | Yes | Yes (when tied to phone) |
When to use both
Most businesses benefit from voice AI on the phone + chatbot on the website. Same backend (LLM, knowledge base, integrations); different surface. Customers pick the channel they prefer.
Frequently Asked Questions
- Are chatbots dead now that voice AI exists?
- No — they solve different problems. Many users prefer text over voice for simple questions; voice wins for complex conversations and on the phone.