ARTICLE
When 80% of callers who reach voicemail hang up without leaving a message, every missed call is lost revenue. AI voice receptionists answer 24/7, book appointments, capture lead details, and route urgent calls to you — for a fraction of a full-time hire. Here is how the top five compare for small businesses.
Best overall: AIRA
Comparison Table
| Tool | Best For | Pricing | Rating |
|---|---|---|---|
| AIRA | Most small businesses wanting bilingual 24/7 answering at a low flat rate | From $24.95/mo | 4.8 |
| Rosie | Local service businesses that train the bot from their website in minutes | From $29/mo | 4.6 |
| NextPhone | Home services and contractors needing unlimited flat-rate call volume | $199/mo flat | 4.6 |
| Smith.ai | Businesses wanting an AI + live human hybrid for complex calls | From $95/mo | 4.5 |
| Retell AI | Technical teams and agencies wanting pay-as-you-go, top call quality | $0.07/min | 4.8 |
How we score
Each tool is scored out of 10 across four weighted criteria, based on hands-on testing and public pricing pages.
AIRA
AIRA is the best all-around pick for most small businesses. Plans start at $24.95/month with bilingual English and Spanish support included free on every tier, plus 24/7 answering, appointment booking, and CRM integrations. The combination of a low entry price and a full feature set at every plan level is what sets it apart.
Best for: Most small businesses wanting affordable, bilingual, around-the-clock call answering.
Pricing: From $24.95/mo.
Rosie
Rosie answers inbound calls 24/7, books appointments, and sends call summaries — and it trains itself directly from your website or Google Business Profile, so setup takes under ten minutes. It is purpose-built for local businesses like cleaning services, salons, and transportation companies that lose leads when no one picks up.
Best for: Local service businesses that want fast, no-code setup.
Pricing: From $29/mo.
NextPhone
NextPhone uses a flat $199/month model for unlimited inbound calls, picks up in under five seconds, and resolves the large majority of calls without human escalation — smart-routing the rest to your phone with full context. Its emergency keyword routing is tuned for trades, making it a strong fit for HVAC, plumbing, and electrical businesses with unpredictable call spikes.
Best for: Home services and contractors with high or unpredictable call volume.
Pricing: $199/mo flat.
Smith.ai
Smith.ai blends AI efficiency with real human agents for the calls that need a personal touch. When a conversation gets complex, it can hand off to a live receptionist — useful for businesses where a mishandled call has real costs, like law firms and professional services.
Best for: Businesses that want AI speed with a human backup option.
Pricing: From $95/mo.
Retell AI
Retell is the developer favorite, delivering the best conversation quality and off-script handling we tested at sub-600ms latency. Its pay-as-you-go pricing at $0.07/minute with no platform fee makes it especially cost-effective for agencies deploying voice agents across multiple client businesses.
Best for: Technical teams and agencies that want top call quality and usage-based pricing.
Pricing: $0.07/min pay-as-you-go.
FAQ
How much does an AI voice receptionist cost compared to hiring?
A full-time human receptionist runs roughly $34,000/year in salary plus benefits. AI voice agents range from about $25 to $499/month and work 24/7 — often 90%+ cheaper while answering every call.
Can an AI receptionist book appointments?
Yes. AIRA, Rosie, and NextPhone all handle calendar booking and appointment scheduling, and most integrate with CRMs like HubSpot and Salesforce.
What happens when the AI can't answer a question?
The better tools degrade gracefully — escalating to voicemail or smart-forwarding to your phone with full call context. Smith.ai goes further by handing off to live human agents.
Conclusion
For most small businesses, AIRA offers the best balance of price, bilingual support, and features at $24.95/month. Local service businesses that want the fastest setup should look at Rosie, while contractors with heavy call volume will prefer NextPhone's flat-rate unlimited model. If you need human backup, Smith.ai's hybrid approach is the safest pick.
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