Retell AI
Voice agent platforms, AI receptionists, AI customer service agents, AI outbound calling
Retell AI is a platform for building and running AI phone agents that handle inbound and outbound calls, with chat and SMS agents alongside. Teams design agents in a no-code builder or through its API and SDKs, choose the LLM and voice provider, and pay per minute of use. Retell also packages common use cases such as AI receptionist, appointment setting and outbound batch campaigns.
- Charges by
- Usage-based
- Starts at
- Free tier (Pay as you go)
- Includes
- $10 in free credits; 20 concurrent calls at no charge
- Per minute
- $0.07
- How it works
- AI only
- Free trial
- $10 in free credits on sign-up
- Checked
- October 15, 2026
Retell AI pricing
| Plan | Price | Includes |
|---|---|---|
| Pay as you go | $0/mo | Voice agents $0.07-$0.31/min depending on models and add-ons; chat agents from $0.002 per message; $10 free credits; 20 free concurrent calls; community/email support |
| Enterprise | Quote | Custom pricing; higher concurrency; RBAC; custom SSO; custom MSA/DPA and BAA; dedicated support and account manager |
- Contract: No commitment on Pay as you go; Enterprise is custom
- Retell lists voice agents at $0.07-$0.31 per minute, built from separate components. Its default calculator setup totals $0.11/min: Retell voice infrastructure $0.055/min, LLM $0.04/min, TTS $0.015/min, telephony $0.00. LLM is billed per minute by model (from $0.0016/min to $0.64/min on the listed models). TTS is $0.015/min for Retell, MiniMax, Fish, Cartesia, OpenAI and Inworld voices, and $0.04-$0.10/min for ElevenLabs voices. Telephony through Retell (Twilio or Telnyx) is $0.015/min; SIP trunking or custom telephony has no Retell telephony charge. Per-call add-ons: knowledge base +$0.005/min, batch call +$0.005/dial, branded call +$0.10 per outbound call, advanced denoising +$0.005/min, safety guardrails +$0.005/min, PII removal +$0.01/min, AI quality assurance $0.10/min after 100 free minutes, SMS $0.01/message. Monthly items: Retell phone numbers $2/month, Retell SMS $20/month, concurrency beyond 20 at $8 per concurrent call per month, knowledge bases beyond 10 at $8 each per month, verified phone number $10/number. Calls are billed to the second; after a transfer the AI fee stops but telephony continues; silence and hold time are billed; failed calls are not billed.
What it does
- Answers inbound calls
- Yes
- Places outbound calls
- Yes
- Books appointments
- Yes
- Warm transfer to a person
- Yes
- Text follow-up
- Yes
- Call recording
- Yes
- Transcripts
- Yes
- CRM sync
- Yes
- Keep your number (porting)
- Unconfirmed
- Spanish
- Yes
- Other languages
- Yes
- Web chat
- Yes
- API
- Yes
- Custom voice
- Yes
Retell's language-support docs list about 55 languages per provider table, including Spanish (es-ES and es-419). Multilingual agents are supported when a single voice provider and a single speech-recognition provider cover all selected languages; Deepgram, Soniox and AssemblyAI support code-switching.
Integrations
- GoHighLevel
- HubSpot
- Zoho CRM
- Salesforce
- Microsoft Dynamics 365
- Monday.com
- Airtable
- Keap
- Pipedrive
- Smartsheet
- Calendly
- Cal.com
- Twilio
- Vonage
- Telnyx
- Five9
- NICE
- Talkdesk
- LiveVox
- Amazon Connect
- RingCentral
- Make
- n8n
- Zapier
- Zendesk
- Freshdesk
- Intercom
- Slack
- Microsoft Teams
- Jane App
- Dentrix
- Open Dental
- Epic
- ChiroTouch
- QuickBooks
- Xero
- DATEV
- Shopify
- Stripe
- ServiceTitan
- Google Workspace
- DocuSign
- ServiceNow
- ClickUp
- Asana
As listed by Retell AI. Integrations not listed may still be possible through an API or Zapier.
Security and compliance
- Signs a HIPAA BAA
- Yes
- SOC 2
- SOC 2 Type II
- Discloses it's an AI
- Unconfirmed
- Consent capture tools
- Unconfirmed
- Do-not-call scrubbing
- Unconfirmed
- Calling-hour controls
- Yes
Retell's compliance docs say 'A signed BAA is required before transmitting PHI through Retell' and that the BAA is available for self-signing at click-agreements.retellai.com with no additional fee. The pricing page also lists HIPAA/BAA and custom BAA terms under Enterprise.
“Unconfirmed” means Retell AI's public pages don't say either way. Rules for AI phone calls
Company
- Headquarters
- Redwood City, CA
- Built for
- Small business, Enterprise
- Industries
- Medical, Financial services, Insurance, Logistics, Retail, Hospitality, Home services
- Built on
- Customer-selected models: LLMs from OpenAI, Anthropic and Google; voices from Retell's own library, ElevenLabs, Cartesia, MiniMax, Fish Audio, OpenAI and Inworld; speech recognition from Deepgram, Azure, Soniox and AssemblyAI (per Retell's pricing page and docs). Custom LLMs can also be connected.
Sources
- Retell AI pricing pricing, compliance. Accessed October 15, 2026
- Retell AI homepage features, compliance, integrations. Accessed October 15, 2026
- Retell AI integrations integrations. Accessed October 15, 2026
- Retell docs: compliance compliance. Accessed October 15, 2026
- About Retell AI company. Accessed October 15, 2026
- Retell AI terms of service company, compliance. Accessed October 15, 2026
- Retell docs: platform voices features. Accessed October 15, 2026
- Retell docs: transfer call tool features. Accessed October 15, 2026
- Retell docs: supported languages features. Accessed October 15, 2026
- Retell API: get call features. Accessed October 15, 2026
- Retell docs: chat and voice widget features. Accessed October 15, 2026
- Retell docs: batch calls features, compliance. Accessed October 15, 2026
- Retell docs: do-not-call handling compliance. Accessed October 15, 2026
- Retell docs: affiliate program affiliate. Accessed October 15, 2026
- Retell Solution Partner Program affiliate. Accessed October 15, 2026
- Retell app partners affiliate. Accessed October 15, 2026
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