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Smith.ai and Ruby are two of the most trusted names in virtual reception, and if you're choosing between them, you've probably noticed they solve the problem differently.
Smith.ai blends AI with humans and bills per call; Ruby is premium all-human and bills per minute.
Here's how they compare on price, features, and reviews, and where a usage-based AI option fits if neither model quite fits your budget.
Smith.ai vs Ruby at a Glance
| Category | Smith.ai | Ruby |
|---|---|---|
| Model | AI + Human Hybrid | Premium All-Human |
| Billing | Per Call (+ $3 Handoff) | Per Minute (Including After-Call Work) |
| Starting Price | $95/month (AI, 50 Calls) | $245/month (50 Minutes) |
| Top Published Plan | $800/month AI / $2,100 Human | ~$1,640/month (500 Minutes) |
| Live Chat | Add-on | Yes (Separate or Bundled) |
| Booking | Yes | Yes (Human) |
| Rating | ~4.6/5 G2 (Verify) | Strong (Verify) |
- Ratings and prices verified June 2026. Confirm current numbers before relying on them.
The headline difference: Smith.ai meters by the call, Ruby by the minute, and both get more expensive as you get busier.
What Is Smith.ai?
Smith.ai is a virtual receptionist service that combines an AI agent with real human agents.
The AI answers, qualifies, and books calls, and a US-based human takes over when a call needs one.
Its hybrid approach has made it a popular choice among businesses that want AI efficiency without completely removing the human element.
Key Features
- AI answering and lead qualification
- Human takeover when needed
- Appointment scheduling
- CRM integrations
- Legal-industry integrations such as Clio
- Lead intake and routing
Smith.ai's biggest advantage is the safety net: AI handles routine calls while humans step in for more complex conversations.
What Is Ruby?
Ruby is a premium virtual receptionist and live chat service staffed entirely by US-based human receptionists.
Its receptionists are trained to sound like part of your team, creating a polished and professional caller experience.
Key Features
- Live call answering
- Lead intake
- Appointment scheduling
- Payment collection
- Bilingual receptionists
- Live chat services
Ruby has long been a favorite among law firms and professional services businesses that view customer experience as a core part of their brand.
Smith.ai vs Ruby: Pricing
Smith.ai is cheaper to start and bills per call, while Ruby is more expensive and bills per minute.
Smith.ai's AI plans range from $95 to $800 per month, while Ruby's plans range from $245 to approximately $1,640 per month.
Pricing Comparison
| Plan Level | Smith.ai | Ruby |
|---|---|---|
| Entry | $95/month (50 Calls) | $245/month (50 Minutes) |
| Mid-Tier | $270–$800/month (AI) | $385–$705/month (100–200 Minutes) |
| High-End | $2,100/month (Human/Hybrid) | ~$1,640/month (500 Minutes) |
| Extra Fees | $3 per Live Handoff + Overage | No Setup Fee; Per-Minute Billing Includes After-Call Work |
Important Pricing Considerations
Smith.ai
- Per-call billing
- Overage charges after call limits
- $3 live-handoff fee
- Spam and short calls still count toward limits
Ruby
- Per-minute billing
- Rounds up in 30-second increments
- Includes after-call work in billing
- Long conversations increase costs quickly
Both models become more expensive as call volume increases.
Smith.ai vs Ruby: Features
Both services answer calls, qualify leads, schedule appointments, and integrate with common business tools.
The major difference is how they deliver those services.
Feature Comparison
| Feature | Smith.ai | Ruby |
|---|---|---|
| Answering | AI-first with Human Handoff | All Human |
| Appointment Booking | AI-Led | Human-Led |
| Live Chat | Add-on | Core Product |
| CRM Integrations | Yes | Yes |
| Legal Integrations | Strong Clio Support | Available |
| Payment Collection | Not Core Feature | Not Core Feature |
Key Differences
- Smith.ai prioritizes AI efficiency with human backup.
- Ruby prioritizes premium customer experience with human receptionists.
- Ruby offers more polished live chat capabilities.
- Smith.ai is generally more automation-focused.
Smith.ai vs Ruby: Reviews
Both companies receive positive reviews, but the criticisms tend to focus on pricing rather than service quality.
Smith.ai Reviews
Common Praise
- Hybrid AI-human model
- Lead qualification capabilities
- Efficiency and automation
- Legal industry integrations
Common Complaints
- Per-call pricing can become expensive
- Overage fees add up
- "Success tax" perception as call volume grows
Ruby Reviews
Common Praise
- Receptionist professionalism
- Caller experience
- High-quality human interactions
- Reliable service
Common Complaints
- Expensive compared to competitors
- Per-minute billing becomes costly
- Premium pricing for human service
The interesting takeaway is that neither company is commonly criticized for service quality.
Most complaints center around how customers are billed.
Which Should You Choose?
Choose Smith.ai If:
- You want AI efficiency with human backup.
- You need legal-industry integrations like Clio.
- You want a lower entry price.
- You are comfortable with per-call billing.
Choose Ruby If:
- You want a premium human receptionist experience.
- Caller experience is a major part of your brand.
- You value polished live chat.
- Your call volume is relatively modest.
Both are strong options.
The best choice depends on whether you prioritize AI efficiency or premium human interaction.
A Third Option: ServiceAgent
ServiceAgent is an AI front office that answers calls 24/7, books appointments, and takes payment on a free, usage-based platform.
Unlike Smith.ai and Ruby:
- No call caps
- No per-minute billing
- No live-handoff fees
- Booking and payment collection happen during the call
Key Capabilities
- AI-powered call answering
- Appointment booking
- Payment collection via Stripe
- CRM updates
- English and Spanish support
- Integrations with Clio and PracticePanther
Comparison Table
| Feature | Smith.ai | Ruby | ServiceAgent |
|---|---|---|---|
| Model | AI + Human | All Human | AI Front Office |
| Billing | Per Call + Handoff | Per Minute | Usage-Based |
| Starting Price | $95/month | $245/month | Free Platform |
| Booking | Yes | Yes | Yes |
| Payment Collection | No | No | Yes |
| Cost as You Grow | Increases Per Call | Increases Per Minute | Tracks Usage |
One reported example cited a plumbing business reducing front-desk costs by approximately $4,200 per month after switching to AI-powered call handling.
Why ServiceAgent for Call Answering?
ServiceAgent answers every call 24/7 in your brand's voice.
It can:
- Book appointments during the call
- Collect deposits
- Update your CRM
- Operate without call caps
- Avoid per-minute charges
- Offer optional human takeover when needed
The platform is free, and businesses pay only for what it handles.
Setup reportedly takes about 90 seconds and includes a free test.
Frequently Asked Questions
The questions home service operators ask most often.
1. Is Smith.ai or Ruby cheaper?
Smith.ai is cheaper to start, with plans beginning at $95/month versus Ruby's $245/month.
However:
- Smith.ai bills per call and includes overage fees.
- Ruby bills per minute and includes after-call work.
The better value depends on your call patterns.
2. What Is the Main Difference Between Smith.ai and Ruby?
The biggest difference is the operating model.
Smith.ai
- AI + Human Hybrid
- Per-call pricing
- Focus on automation and efficiency
Ruby
- All-human service
- Per-minute pricing
- Focus on premium caller experience
3. Is Smith.ai or Ruby Better for Law Firms?
Both work well for law firms.
Smith.ai
- Strong Clio integration
- AI intake and qualification
- Human backup
Ruby
- Long-standing reputation in legal services
- Premium receptionist experience
- Strong customer service
The best choice depends on whether efficiency or human interaction is more important.
4. Is There a Better Alternative to Both Smith.ai and Ruby?
For businesses focused on booked appointments, payment collection, and predictable costs, ServiceAgent may be a compelling alternative.
It offers:
- 24/7 answering
- Appointment booking
- Payment collection
- Usage-based pricing
- No call caps
- No per-minute billing
If having a human answer every call is your top priority, Ruby and other human-focused providers such as PATLive remain strong options.
What Is Smith.ai?
Smith.ai is a virtual receptionist service that combines an AI agent with real human agents.
What Is Ruby?
Ruby is a premium virtual receptionist and live chat service staffed entirely by US-based human receptionists.
Smith.ai vs Ruby: Pricing
Smith.ai is cheaper to start and bills per call, while Ruby is more expensive and bills per minute.
Smith.ai vs Ruby: Features
Both services answer calls, qualify leads, schedule appointments, and integrate with common business tools.
Smith.ai vs Ruby: Reviews
Both companies receive positive reviews, but the criticisms tend to focus on pricing rather than service quality.
A Third Option: ServiceAgent
ServiceAgent is an AI front office that answers calls 24/7, books appointments, and takes payment on a free, usage-based platform.
Why ServiceAgent for Call Answering
ServiceAgent answers every call 24/7 in your brand's voice.
Is Smith.ai or Ruby cheaper?
Smith.ai is cheaper to start, with plans beginning at $95/month versus Ruby's $245/month.
What Is the Main Difference Between Smith.ai and Ruby?
The biggest difference is the operating model.
Is Smith.ai or Ruby Better for Law Firms?
Both work well for law firms.
Is There a Better Alternative to Both Smith.ai and Ruby?
For businesses focused on booked appointments, payment collection, and predictable costs, ServiceAgent may be a compelling alternative.
Who worked on this
Shaambhav Shankar
Growth & Product Marketing, ServiceAgent
Leads growth and product marketing for ServiceAgent at SaaS Labs, where he has worked in product marketing since 2020. Writes the blog's coverage of AI call answering, CRM and home-services operations.
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