Best AI Voice Agents · alternatives
Best Retell AI alternatives (2026)
3 alternatives to Retell AI in ai voice agents, ranked by entry price. Retell AI starts at $0/mo. Every figure links to the vendor's own page and the date we captured it.
Key takeaways
- Free alternatives: Bland AI, Synthflow, Vapi.
- Closest by price: Bland AI ($0/mo), Synthflow ($0/mo), Vapi ($0/mo).
Retell AI alternatives compared
| # | Alternative | Entry price | Free | HIPAA | Best for | Source |
|---|---|---|---|---|---|---|
| 1 | Bland AI | $0/mo | Yes | Yes | contact-centers | bland.ai |
| 2 | Synthflow | $0/mo | Yes | Yes | agencies | synthflow.ai |
| 3 | Vapi | $0/mo | Yes | Yes | developers | vapi.ai |
Data current through 2026-06-15. Compare any two directly on the AI Voice Agents index.