vioscale
Comparison

Retell AI vs Smith.ai

On the evidence we track, Smith.ai leads this comparison with a composite score of 86/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Retell AI full profile →Smith.ai full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Retell AI78
★Smith.ai86
Score
Vioscale score
Retell AI78 / 100medium · 54%
Smith.ai86 / 100low · 37%
Pricing
Free tier
Retell AI✓
Smith.ai✗
Model
Retell AIfreemium
Smith.aicommercial
Price level
Retell AIlow
Smith.ailow
Starting price
Retell AI$2
Smith.ai$10
Transparent
Retell AI✓
Smith.ai✓
Integrations
Count
Retell AI35
Smith.ai7,000
Security
Gdpr
Retell AI✓
Smith.ai–
Hipaa
Retell AI✓
Smith.ai–
Soc2
Retell AI✓
Smith.ai–
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for voice ai agents. “-” means undocumented, not absent.

Capabilities
Deployment model
Retell AINo code saas platform
Smith.aiNo code saas platform
Sub second latency and interruption barget in handling
Retell AI✗
Smith.ai✓
Dynamic mid call API function execution
Retell AI✓
Smith.ai✓
Live human handoff and call transfer logic
Retell AI✓
Smith.ai✓
Emotion prosody and custom voice cloning
Retell AI✓
Smith.ai✗
Inbound reception and ivr routing replacement
Retell AI✓
Smith.ai✓
Outbound dialing and campaign management
Retell AI✓
Smith.ai✓
Post call transcription and CRM sync
Retell AI✓
Smith.ai✓
Voicemail detection and answering machine drops
Retell AI✓
Smith.ai✗
Twilio vonage bring your own carrier byoc support
Retell AI✓
Smith.ai✗
SOC2 type ii
Retell AI✓
Smith.ai✗
HIPAA compliance for medical appointment setting
Retell AI✓
Smith.ai✗
Pricing model
Retell AIPer minute usage based
Smith.aiPer minute usage based

What each one is

The product in its own terms, so the numbers below have context.

Retell AI

An AI voice platform that handles phone calls autonomously, managing appointment booking, order status checks, lead qualification, and customer service interactions. It integrates with existing CRM systems and telephony infrastructure to maintain customer context and automatically log outcomes.

Independently observed

Smith.ai

Leader

Manages inbound and outbound business calls 24/7 using AI agents and live North America-based handlers to screen and qualify leads, capture intake details, and book appointments automatically into business systems.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Retell AI

from $2/moUsage-basedFree tier

From $0.07–$0.31/minute for AI voice agents. $10 free credit. Enterprise plans available with HIPAA and SOC2 Type II compliance.

  • Pay-as-you-go$0.07–$0.31/minute for AI voice agents; $0.002+/message for chat agents. $10 free credit on signup.
    • Voice agents for inbound/outbound calls
    • Call transfer and routing
    • CRM integration (Salesforce, HubSpot)
    • Post-call transcription and logging
    • Custom LLM models
    • +4 more
  • EnterpriseContact sales
    • HIPAA/BAA compliance
    • Single Sign-On (SSO)
    • Custom MSA agreement
    • Custom Data Processing Agreement (DPA)
    • Dedicated concurrency allocation
    • +1 more
as of verify ↗

Smith.ai

Leader
from $10/contact/moSubscription

From $600/month (warm engagement, 50 contacts minimum) or $10,000/month (cold prospecting, 1,000 contacts minimum). Includes complimentary appointment booking, text/email follow-up, and first CRM integration.

  • Warm engagement$12/contact/month (50 contact minimum) plus $750 setup fee
    • 24/7 North America-based agents
    • Bilingual support available
    • Campaign tracking dashboard
    • 5 calls per contact with multi-channel engagement
    • Dedicated account manager
    • +2 more
  • Cold prospecting$10/contact/month (1,000 contact minimum)
    • 24/7 North America-based agents
    • Bilingual support available
    • Campaign tracking dashboard
    • 5 calls per contact with multi-channel engagement
    • Dedicated account manager
    • +2 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Retell AI✓
Smith.ai✓
iOS
Retell AI✓
Smith.ai✗
Android
Retell AI✓
Smith.ai✗
CLI
Retell AI✓
Smith.ai✗
Deployment
Cloud / SaaS
Retell AI✓
Smith.ai✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (7)
  • Salesforce
  • HubSpot
  • Zapier
  • RingCentral
  • ServiceTitan
  • Slack
  • Xero

Retell AI

34 total - 27 not shared
  • Twilio
  • Vonage
  • Telnyx
  • Zoho CRM
  • n8n
  • Make
  • viaSocket
  • Zendesk
  • Talkdesk
  • Nice
  • Workable
  • Go High Level
  • OpenDental
  • Monday.com
  • Smartsheets
  • Shopify
  • Stripe
  • Supabase
  • Webflow
  • WhatsApp
  • ElevenLabs
  • Minimax
  • Fish Audio
  • Cartesia
  • +3 more
Independently observed

Smith.ai

Leader
46 total - 39 not shared
  • Clio
  • Filevine
  • Lawmatics
  • MyCase
  • PracticePanther
  • Google Calendar
  • Microsoft Teams
  • Dropbox
  • Gmail
  • OneDrive
  • Typeform
  • Constant Contact
  • Square
  • PayPal
  • LawPay
  • TrialPay
  • CPACharge
  • Help Scout
  • Todoist
  • Calendly
  • Acuity Scheduling
  • ActiveCampaign
  • CallRail
  • Housecall Pro
  • +15 more
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.