Ultravox alternatives
Ultravox charges by usage. These 12 AI voice agent platforms are the closest matches on who they serve and how they work. Below the table, each one's main differences from Ultravox.
| Vendor | Charges by | Starts at | How it works | HIPAA BAA | Checked |
|---|---|---|---|---|---|
| UltravoxAcquiredThis vendor | Usage-based | $0.05/min | AI only | Yes | Oct 2026 |
| Deepgram Voice Agent API | Usage-based | $0.08/min | AI only | Yes | Oct 2026 |
| LiveKit | Usage-based | Free tier | AI only | Yes | Oct 2026 |
| Twilio ConversationRelay | Usage-based | $0.07/min | AI only | Yes | Oct 2026 |
| Voiceflow | Usage-based | Quote | AI only | Unconfirmed | Oct 2026 |
| Lindy | Per seat | $49.99/user/mo | AI only | Yes | Oct 2026 |
| NiCE CognigyAcquired | Quote only | Quote | AI with human backup | Unconfirmed | Oct 2026 |
| Phonely | Per minute | Free tier | AI only | Yes | Oct 2026 |
| echowin | Per minute | $10/mo | AI only | Yes | Oct 2026 |
| Bland AI | Usage-based | Free tier | AI only | Yes | Oct 2026 |
| Bolna | Usage-based | $0.06/min | AI only | Unconfirmed | Oct 2026 |
| ElevenLabs Agents (ElevenAgents) | Usage-based | Free tier | AI only | Yes | Oct 2026 |
| Millis AI | Usage-based | $0.02/min | AI only | Unconfirmed | Oct 2026 |
How each differs from Ultravox
- Deepgram Voice Agent API
- Lists $0.07 a minute to Ultravox's $0.05; lists Spanish.
- LiveKit
- Lists $0.01 a minute to Ultravox's $0.05; has a free plan.
- Twilio ConversationRelay
- Lists $0.07 a minute to Ultravox's $0.05.
- Voiceflow
- Prices only by quote; doesn't say whether it signs a HIPAA BAA.
- Lindy
- Charges per user.
- NiCE Cognigy
- Prices by quote; doesn't say whether it signs a HIPAA BAA; lists Spanish.
- Phonely
- Charges by the minute; has a free plan; lists Spanish.
- echowin
- Charges by the minute; lists $0.20 a minute to Ultravox's $0.05; lists Spanish.
- Bland AI
- Lists $0.14 a minute to Ultravox's $0.05; has a free plan; lists Spanish.
- Bolna
- Lists $0.06 a minute to Ultravox's $0.05; doesn't say whether it signs a HIPAA BAA.
- ElevenLabs Agents (ElevenAgents)
- Lists $0.08 a minute to Ultravox's $0.05; has a free plan.
- Millis AI
- Lists $0.02 a minute to Ultravox's $0.05; doesn't say whether it signs a HIPAA BAA; lists Spanish.
Each line comes from the two listings, which link their sources. Back to the Ultravox profile