# Retell AI Review

> Retell AI review: API plus no-code, production telephony fast. Verified pricing, features, and the strongest alternatives in Voice AI.

![Retell AI logo](https://www.versusref.com/logos/retell.png)

API plus no-code, production telephony fast

Among the 13 voice ai tools we track, Retell AI has the 5th-highest included concurrency - a fit for high-traffic deployments.

From $0.07/min · facts verified Jul 15, 2026

## What we know about Retell AI

Retell AI is a voice ai platform: aPI plus no-code, production telephony fast. This profile tracks every Retell AI fact we have verified, each linked to a primary source and dated.

On pricing, Retell AI starts at $0.07 per minute for its entry tier. That is the sticker rate: real production cost usually runs higher once you add a language model, a voice provider, and telephony minutes, and we model Retell AI closer to 0.085-0.415 USD/min all-in.

New Retell AI accounts get $10 free credits on signup to test with before a card is required, which is enough to run a handful of real calls and judge latency and voice quality for your own script rather than a demo.

On capabilities, Retell AI covers native sip trunking, bring-your-own llm, bring-your-own tts voice, native outbound campaigns, warm transfer to human, and built-in knowledge base, and does not offer llm/tts costs passed through at cost? and annual contract required for best pricing?. Each of those is verified against Retell AI's own docs or dashboard, not marketing copy.

On performance, Retell AI reports 20 calls concurrent calls on the base plan. Latency figures are vendor claims until we measure them ourselves, and they are labeled that way on the Retell AI fact sheet, so treat them as a starting point rather than a guarantee.

For compliance, with Retell AI: HIPAA is enterprise_only on the plans we checked and SOC 2 Type II is in place. If you are in a regulated space, confirm the current posture with Retell AI before you commit, since these change plan by plan.

Placed against the 13 voice ai tools we track, Retell AI's strongest showing is the 5th-highest included concurrency, while it trails at 14th on latency - a spread worth weighing against your own priorities.

Since we started tracking Retell AI, 1 verified fact change has landed in its record - the "What changed recently" section below has the specifics.

In total we track 28 verified facts for Retell AI today, each linking the primary source it came from so you can check our work - and vendor claims we have not measured ourselves are labeled as such on the Retell AI fact sheet below.

## Retell AI pricing

≈ $0.25 per minute all-in (est.), verified Jul 15, 2026 ([source](https://www.retellai.com/pricing)).

| Monthly volume | All-in monthly bill |
| --- | --- |
| 1K min/mo | $250 |
| 10K min/mo | $2,500 |
| 100K min/mo | $25,000 |

All-in monthly: platform fee + per-minute + telephony. Assumes GPT-4o class model, ElevenLabs voice.

## Fact sheet

### Pricing

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Base price / min | ~$0.07 | Jul 15 | [source](https://www.retellai.com/pricing) |
| Real production cost / min | ~$0.09-0.41 | Jul 15 | [source](https://www.retellai.com/pricing) |
| Concurrency limit (base) | ~20 calls | Jul 15 | [source](https://www.retellai.com/pricing) |
| Free tier credit | $10 free credits on signup | Jul 15 | [source](https://www.retellai.com/pricing) |
| Monthly platform fee | ~$0 | Jul 15 | [source](https://www.retellai.com/pricing) |
| Telephony cost / min (or passthrough?) | ~$0.01 | Jul 15 | [source](https://www.retellai.com/pricing) |
| LLM/TTS costs passed through at cost? | ✗  No | Jul 15 | [source](https://www.retellai.com/pricing) |
| Cost per extra concurrent line | ~$8 | Jul 15 | [source](https://www.retellai.com/pricing) |
| Annual contract required for best pricing? | ✗  No | Jul 15 | [source](https://www.retellai.com/pricing) |

### Capabilities

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Native SIP trunking | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |
| Median e2e latency | Not verified |  |  |
| Bring-your-own LLM | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |
| Bring-your-own TTS voice | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |
| Native outbound campaigns | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |
| Warm transfer to human | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |
| Built-in knowledge base | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |
| Buy/port numbers in-platform | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |
| DTMF / IVR navigation | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |

### Compliance & trust

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| HIPAA BAA on base plan | ◑  Enterprise only | Jul 15 | [source](https://www.retellai.com/pricing) |
| SOC 2 Type II | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |
| GDPR tooling / EU residency | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |
| Consent/recording compliance tooling | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |

### Build experience

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| No-code agent builder | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |
| API-first (full lifecycle via API) | ✓  Yes | Jul 15 | [source](https://docs.retellai.com/general/introduction) |
| Simulation/testing suite for agents | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |
| White-label / sub-accounts for agencies | ◑  Partial | Jul 15 | [source](https://www.retellai.com/pricing) |
| Native integrations count (+ key ones: GHL, HubSpot, Zapier, Make, Twilio) | Make, Twilio, Vonage, Go High Level, n8n, HubSpot | Jul 15 | [source](https://www.retellai.com/pricing) |

### Commercial

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Self-serve signup | ✓  Yes | Jul 15 | [source](https://www.retellai.com/pricing) |
| Affiliate program (terms) | Affiliate program available | Jul 15 | [source](https://www.retellai.com/pricing) |

## Retell AI head-to-head

| Comparison | Record | Per use case |
| --- | --- | --- |
| [Retell AI vs Dasha](https://www.versusref.com/voice-ai/dasha-vs-retell/) | won 6 · lost 0 · tied 0 | No-code agency deploys: won; Custom pipeline control: won; Ecommerce support and orders: won; Healthcare compliance: won; Outbound sales campaigns: won; SMB receptionist and booking: won |
| [Retell AI vs LiveKit Agents](https://www.versusref.com/voice-ai/livekit-agents-vs-retell/) | won 4 · lost 2 · tied 0 | No-code agency deploys: won; Custom pipeline control: lost; Ecommerce support and orders: won; Healthcare compliance: lost; Outbound sales campaigns: won; SMB receptionist and booking: won |
| [Retell AI vs Millis AI](https://www.versusref.com/voice-ai/millis-vs-retell/) | won 5 · lost 1 · tied 0 | No-code agency deploys: won; Custom pipeline control: won; Ecommerce support and orders: won; Healthcare compliance: won; Outbound sales campaigns: won; SMB receptionist and booking: lost |
| [Retell AI vs Phonely](https://www.versusref.com/voice-ai/phonely-vs-retell/) | won 3 · lost 1 · tied 2 | No-code agency deploys: won; Custom pipeline control: won; Ecommerce support and orders: tie; Healthcare compliance: tie; Outbound sales campaigns: won; SMB receptionist and booking: lost |
| [Retell AI vs Ringly.io](https://www.versusref.com/voice-ai/retell-vs-ringly/) | won 3 · lost 1 · tied 0 | No-code agency deploys: won; Custom pipeline control: won; Ecommerce support and orders: lost; SMB receptionist and booking: won |
| [Retell AI vs Thoughtly](https://www.versusref.com/voice-ai/retell-vs-thoughtly/) | won 3 · lost 2 · tied 1 | No-code agency deploys: won; Custom pipeline control: lost; Ecommerce support and orders: won; Healthcare compliance: tie; Outbound sales campaigns: won; SMB receptionist and booking: lost |
| [Retell AI vs Ultravox](https://www.versusref.com/voice-ai/retell-vs-ultravox/) | won 6 · lost 0 · tied 0 | No-code agency deploys: won; Custom pipeline control: won; Ecommerce support and orders: won; Healthcare compliance: won; Outbound sales campaigns: won; SMB receptionist and booking: won |
| [Retell AI vs Vocode](https://www.versusref.com/voice-ai/retell-vs-vocode/) | won 4 · lost 2 · tied 0 | No-code agency deploys: won; Custom pipeline control: lost; Ecommerce support and orders: won; Healthcare compliance: lost; Outbound sales campaigns: won; SMB receptionist and booking: won |
| [Retell AI vs Voiceflow](https://www.versusref.com/voice-ai/retell-vs-voiceflow/) | won 3 · lost 2 · tied 1 | No-code agency deploys: lost; Custom pipeline control: won; Ecommerce support and orders: lost; Healthcare compliance: tie; Outbound sales campaigns: won; SMB receptionist and booking: won |
| [Retell AI vs Vapi](https://www.versusref.com/voice-ai/retell-vs-vapi/) | won 4 · lost 2 · tied 0 | No-code agency deploys: won; Custom pipeline control: lost; Ecommerce support and orders: lost; Healthcare compliance: won; Outbound sales campaigns: won; SMB receptionist and booking: won |

## What changed recently

| Date | Tool | Change |
| --- | --- | --- |
| Jul 15, 2026 | Retell AI | Free tier credit: 60 min → $10 free credits on signup |

Source: https://www.versusref.com/voice-ai/tools/retell/