Independent · sourced · Updated June 2026
Best AI Voice Agents (2026)
4 AI voice agents options compared on price, free tier, compliance and fit — ranked by entry price. Every figure links to the vendor's own page and the date we captured it; quote-only tiers show a dash, never a guess.
The cheapest AI voice agents is Bland AI at $0/mo. 4 offer a free tier. All 4 compared below on price, free tier and compliance — every figure sourced and dated, updated June 2026.
As of Jun 15, 2026 · figures linked to their source in the table below
Key takeaways
- Free tier: Bland AI, Retell AI, Synthflow, Vapi.
- HIPAA-ready: Bland AI, Retell AI, Synthflow, Vapi.
- Tracked: 4 vendors, data current through 2026-06-15.
Comparison
| # | AI Voice Agent | Entry price | Free | HIPAA | SOC 2 | Best for | Source | Visit |
|---|---|---|---|---|---|---|---|---|
| 1 | Bland AI | $0/mo Start | Yes | Yes | Yes | contact-centers | bland.ai | Visit → |
| 2 | Retell AI | $0/mo Pay-as-You-Go | No | Yes | Yes | developers | retellai.com | Visit → |
| 3 | Synthflow | $0/mo Pay As You Go | Yes | Yes | Yes | agencies | synthflow.ai | Visit → |
| 4 | Vapi | $0/mo Build | Yes | Yes | Yes | developers | vapi.ai | Visit → |
Prices are the lowest published self-serve monthly rate as captured on the linked source. Annual-billing and usage details are on each vendor's record in our open dataset.
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What is the cheapest AI voice agents?
Bland AI has the lowest published entry price at $0/mo (Start), as of 2026-06-15.
Which AI voice agents have a free plan?
Bland AI, Retell AI, Synthflow, Vapi offer a free tier.
Which AI voice agents support HIPAA?
Bland AI, Retell AI, Synthflow, Vapi state HIPAA support (a BAA). Always confirm current scope with the vendor.
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