Retell AI Review (2026)
Production-grade AI phone agents, billed by the minute. Best for: Teams that want full control of an AI phone agent (API-first) and pure usage-based pricing with no monthly seat fee.
4.2/5
Verdict: Teams that want full control of an AI phone agent (API-first) and pure usage-based pricing with no monthly seat fee
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Ratings
| Criterion | Score |
|---|---|
| Ease Of Use | 3.6/5 |
| Value | 4.6/5 |
| Features | 4.5/5 |
| Support | 4.0/5 |
Retell AI pricing
Starting at $0/mo (pay as you go, ~$0.07-0.13 per minute all-in). Free plan available. Prices verified 2026-07-01. Pricing source
| Plan | Price | Notes |
|---|---|---|
| Free credit | Free | $10 trial credit (~60 min), no card required |
| Pay as you go | $110/mo | ~$0.11/min typical all-in (voice engine + LLM + telephony) |
| Enterprise | $800/mo | Volume discounts below $0.08/min, SLA, HIPAA/SOC2 |
Key features
- Usage-based pricing - no monthly platform fee
- API-first: build agents programmatically
- Sub-second latency voice pipeline
- Batch outbound calling with local numbers
- Warm transfer to human agents
- Native integrations: Twilio, Vonage, Cal.com, n8n
AI features
- Conversational voice agents
- Bring-your-own LLM
- Real-time call transfer & IVR navigation
- Post-call analysis and sentiment
Pros
- Cheapest entry: pay only for minutes used, $10 free credit
- Transparent per-minute cost breakdown on pricing page
- Scales from prototype to thousands of concurrent calls
- Strong developer docs and API
Cons
- No visual no-code builder - assumes technical setup
- LLM and telephony costs billed on top of voice engine
- No bundled CRM or campaign UI like Synthflow
- Per-minute cost varies with chosen voice/LLM combo
Price history
| Date | Event | Entry price |
|---|---|---|
| 2026-07-01 | Baseline | $0/mo |