Retell AI
Retell AI · Developer platform · Official site
10 Yes1 Partial0 No0 Unknown
| Feature | Status | What the vendor says | Source | Checked |
|---|---|---|---|---|
| Price per minute | Yes | $0.07–$0.31/min All-in range by model choice; voice infrastructure $0.055/min, TTS from $0.015/min, LLM extra. | Source | 2026-11-04 |
| Latency claim | Yes | ~600ms Home page claims "~600ms latency". | Source | 2026-11-04 |
| Languages | Partial | Multilingual Multilingual agents documented; no language count published. | Source | 2026-11-04 |
| Phone numbers & telephony | Yes | $10/mo numbers, SIP Numbers $10/month; no charge for SIP trunking or custom telephony. | Source | 2026-11-04 |
| Bring your own LLM | Yes | Custom LLM Connect your own LLM via WebSocket. | Source | 2026-11-04 |
| Custom / BYO voice | Yes | Clone voice API API reference includes a Clone Voice endpoint. | Source | 2026-11-04 |
| Interruption handling | Yes | Interruption sensitivity Home page: agents handle mid-sentence interruptions; interruption sensitivity is configurable. | Source | 2026-11-04 |
| Tool calling & MCP | Yes | MCP Agents can call tools on MCP servers. | Source | 2026-11-04 |
| HIPAA / BAA | Yes | HIPAA Home page: "Fully compliant with HIPAA, SOC2 Type II, GDPR and ISO 27001". | Source | 2026-11-04 |
| SOC 2 | Yes | SOC 2 Type II Home page compliance statement. | Source | 2026-11-04 |
| Free tier / credits | Yes | $10 credit $10 free credits and 20 free concurrent calls. | Source | 2026-11-04 |
Latency, compliance and language figures are the vendor's own claims. We link them; we don't test them.
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