Smith.ai vs Ultravox: Which AI Voice & Speech Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.
The Short Answer
Smith.ai vs Ultravox, in 15 seconds
Choose Smith.ai if…
- You need the broader feature set
Choose Ultravox if…
- You want the lower entry price
- You need a genuinely free plan
Head-to-Head Scorecard
How Smith.ai and Ultravox score
Ultravox leads on 2 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
Smith.aiNo reviewsUltravoxNo reviews - Even
Review Volume
Number of verified reviews, a proxy for adoption
Smith.ai0Ultravox0 - Ultravox
Entry Pricing
Lowest published starting price (free plan = lowest)
Smith.aiCustomUltravoxFree - Ultravox
Free Access
Availability of a free plan and/or free trial
Smith.aiFree trialUltravoxFree plan + trial - Even
Integrations
Number of listed third-party integrations
Smith.ai6Ultravox6 - Smith.ai
Features
Number of listed product capabilities
Smith.ai6Ultravox5 - Even
AI Features
Capabilities mentioning AI, automation or ML
Smith.ai,Ultravox, - Even
Security & Compliance
Number of listed compliance certifications
Smith.ai2Ultravox2 - Even
Platforms & Deployment
Supported platforms and deployment options
Smith.ai4Ultravox4
Feature Comparison
Smith.ai vs Ultravox feature breakdown
Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.
Smith.ai
UltravoxPricing Comparison
Smith.ai vs Ultravox pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
Smith.ai
Custom to start- Lead qualification
- Higher usage limits
- 24/7 call answering
- Email support
- Appointment booking
- Dedicated support
- Everything in Pro
- SSO and admin controls
Ultravox
Free to start- Limited monthly usage
- Speech-native model
- Community support
- Higher usage limits
- Email support
- Speech-native model
- Integrations
- Dedicated support
- Telephony integration
- Everything in Pro
- Open-weight model
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
Smith.ai vs Ultravox: strengths and trade-offs
Smith.ai
Pros
- Free trial offered
- Compliance: SOC 2, GDPR
- Public API available
Cons
- No free plan
- Pricing is quote-based (less transparent)
Ultravox
Pros
- Free plan available
- Free trial offered
- Compliance: SOC 2, HIPAA
- Public API available
Cons
Buyer Fit
Who should use Smith.ai vs Ultravox?
Startups
Ultravox
Ultravox keeps early-stage costs lowest with its entry tier.
Small businesses
Ultravox
Ultravox offers the most accessible pricing for lean teams.
Agencies
Smith.ai
Smith.ai connects to more tools for multi-client workflows.
Enterprises
Smith.ai
Smith.ai leads on compliance and breadth for complex needs.
Ecommerce
Either
Either integrates with more of the commerce stack.
SaaS companies
Smith.ai
Smith.ai is the more developer- and automation-friendly choice.
Integration overlap
Shared integrations (2)
Only in Smith.ai (4)
Only in Ultravox (4)
Keep Exploring
Other alternatives worth considering
Similar ai voice & speech products buyers compare alongside Smith.ai and Ultravox.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs Smith.ai and Ultravox against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationSmith.ai vs Ultravox, Frequently Asked Questions
What is the difference between Smith.ai and Ultravox?
Smith.ai and Ultravox are both AI Voice & Speech solutions. Smith.ai is rated 0.0/5 by 0 users, while Ultravox is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, Smith.ai or Ultravox?
Based on user ratings, Smith.ai scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, Smith.ai or Ultravox?
Ultravox is the more affordable option with a free plan available.
Does Smith.ai or Ultravox have a free plan?
Ultravox offers a free plan. Smith.ai does not have a free tier but does offer a free trial.
Can I switch from Smith.ai to Ultravox?
Switching between Smith.ai and Ultravox is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use Smith.ai vs Ultravox?
Smith.ai is best suited for teams that prioritise enterprise features. Ultravox works well for teams looking to start free and scale.
Our Verdict
The bottom line on Smith.ai vs Ultravox
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Ultravox
Ultravox has the friendliest entry point for new teams.
Best for Enterprise
Smith.ai
Smith.ai leads on compliance and feature breadth.
Best Value
Ultravox
Ultravox delivers the lowest cost to get started.
Best AI Features
Either
Comparable AI capabilities on both sides.
Highest Rated
Either
Both earn equal user ratings.