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.

Reviewed by Marcelo Bonini Marchis Founder and editor Updated 2026-08-25

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-$0.31 per minute for AI Voice Agents). Free plan available. Prices verified 2026-08-25. 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	Custom	Custom volume pricing, dedicated infrastructure, SSO and enterprise support

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
2026-08-25	Verified	$0/mo
2026-07-01	Baseline	$0/mo

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