Independent · sourced · Updated September 2026
Best AI Voice Agents (2026)
13 AI voice agents options compared on price, free tier, compliance and fit — ranked by entry price. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it; where a vendor publishes no monthly price we name the kind of pricing it uses, never a guess.
The cheapest AI voice agents is Bland AI at $0/mo. 13 offer a free tier. All 13 compared below on price, free tier and compliance — every figure sourced and dated, updated September 2026.
As of Sep 10, 2026 · figures linked to their source in the table below
Cite this comparison
Per The Front Desk Review, the cheapest ai voice agents is Bland AI at $0/mo; across 5 with published pricing the median is $50/mo ($5–$299/mo), 13 with a free tier, every figure sourced and dated, as of 2026-09-10. https://frontdeskreview.com/best/ai-voice-agents/ Key takeaways
- Typical paid price: from $5/mo, median $50/mo, up to $299/mo — across 5 with published pricing.
- Free tier: Bland AI, Cartesia, Deepgram Voice Agent API, ElevenLabs Agents, LiveKit Agents, Millis AI, Pipecat Cloud, Retell AI, Synthflow, Telnyx Voice AI Agents, Twilio ConversationRelay, Ultravox, Vapi.
- HIPAA-ready: Bland AI, Cartesia, Deepgram Voice Agent API, ElevenLabs Agents, LiveKit Agents, Retell AI, Synthflow, Telnyx Voice AI Agents, Vapi.
- Tracked: 13 vendors, data current through 2026-09-10. STALE · 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 | Cartesia | $0/mo Free | Yes | Yes | Yes | Latency-critical agents where time-to-first-audio is the product | cartesia.ai | Visit → |
| 3 | Deepgram Voice Agent API | $0/mo Pay As You Go | No | Yes | Yes | Healthcare and regulated teams that can sign an Enterprise contract, which is the only tier where Deepgram signs a BAA | deepgram.com | Visit → |
| 4 | ElevenLabs Agents | $0/mo Free | Yes | Yes | — | Teams that want top-tier synthetic voice quality as the primary differentiator | elevenlabs.io | Visit → |
| 5 | LiveKit Agents | $0/mo Build | Yes | Yes | Yes | Teams building realtime voice into an existing web or mobile app rather than only a phone line | livekit.com | Visit → |
| 6 | Millis AI | $0/mo Pay as you go | Yes | — | — | Cost-sensitive developers who already run their own LLM and want to pay only for orchestration | docs.millis.ai | Visit → |
| 7 | Pipecat Cloud | $0/mo agent-1x (pay as you go) | Yes | — | — | Teams already building on open-source Pipecat who want managed infrastructure without rewriting their agent | daily.co | Visit → |
| 8 | Retell AI | $0/mo Pay-as-You-Go | No | Yes | Yes | developers | retellai.com | Visit → |
| 9 | Synthflow STALE · 2026-06-15 | $0/mo Pay As You Go | Yes | Yes | Yes | agencies | synthflow.ai | Visit → |
| 10 | Telnyx Voice AI Agents | $0/mo Pay as you go | No | Yes | — | Teams that want voice AI and the phone carrier on a single bill and a single SLA | telnyx.com | Visit → |
| 11 | Twilio ConversationRelay | $0/mo ConversationRelay (usage-based) | No | — | — | Enterprises already running contact-centre traffic on Twilio who want to add AI answering without re-platforming | twilio.com | Visit → |
| 12 | Ultravox | $0/mo Pay as You Go | Yes | — | — | Latency-sensitive agents where skipping the STT step materially improves turn-taking | ultravox.ai | Visit → |
| 13 | 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.
Alternatives
Narrow it down
Popular comparisons
Filter ai voice agents by pricing & compliance
More software comparisons
What is the cheapest AI voice agents?
Bland AI has the lowest published entry price at $0/mo (Start), as of 2026-09-02.
How much does AI voice agents cost per month?
Across the 5 AI voice agents with published paid pricing, the median starting price is $50/mo, ranging from $5/mo to $299/mo, as of 2026-09-10. 13 also offer a free tier.
Which AI voice agents have a free plan?
Bland AI, Cartesia, Deepgram Voice Agent API, ElevenLabs Agents, LiveKit Agents, Millis AI, Pipecat Cloud, Retell AI, Synthflow, Telnyx Voice AI Agents, Twilio ConversationRelay, Ultravox, Vapi offer a free tier.
Which AI voice agents support HIPAA?
Bland AI, Cartesia, Deepgram Voice Agent API, ElevenLabs Agents, LiveKit Agents, Retell AI, Synthflow, Telnyx Voice AI Agents, Vapi state HIPAA support (a BAA). Always confirm current scope with the vendor.
Embed this comparison — free
Add the live cheapest-AI voice agents list to your site. It reflects our latest data, and an attribution link is built in.