Best AI Voice Agents · FREE
Best free AI Voice Agents (2026)
4 ai voice agents that offer a genuine free plan, ranked by entry price. Every figure links to the vendor's own page and the date we captured it.
Key takeaways
- Cheapest: Bland AI at $0/mo.
- Qualifying: Bland AI, Retell AI, Synthflow, Vapi.
- Data current through: 2026-09-02. STALE marks a row with at least one plan we have not re-checked at its source in over 30 days. 1 of 4 rows below is marked.
Comparison
| # | AI Voice Agent | Entry price | Free | HIPAA | SOC 2 | Best for | Source |
|---|---|---|---|---|---|---|---|
| 1 | Bland AI | $0/mo | Yes | Yes | Yes | contact-centers | bland.ai |
| 2 | Retell AI | $0/mo | No | Yes | Yes | developers | retellai.com |
| 3 | Synthflow STALE · 2026-06-15 | $0/mo | Yes | Yes | Yes | agencies | synthflow.ai |
| 4 | Vapi | $0/mo | Yes | Yes | Yes | developers | vapi.ai |