Pi vs Smith.ai: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Pi and Smith.ai side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Smith.ai leads on higher user rating. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Pi
Personal AI assistant by Inflection
Best for you if:
- • You want a fully free tool (Smith.ai requires payment)
Smith.ai
24/7 AI and live agents for calls, leads, and scheduling
Best for you if:
- • You want ensures 24/7 call coverage, eliminating missed opportunities
| At a Glance | Pi | Smith.ai |
|---|---|---|
Starts at | Free 100% free | Free plan, paid from $150/mo, billed monthly Pro plan |
Category | AI Assistants Productivity | Customer Support AI Assistants |
Rating | 4.4/5 G2 4.4 158 reviews | 4.9/5 G2 4.9 · Capterra 4.9 · SourceForge 5.0 139 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Extra calls beyond the plan cost $3.00 each on Free and $2.10 to $2.50 each on paid plans |
Choose Pi or Smith.ai?
Choose Pi if
- You want a fully free tool (Smith.ai requires payment)
- You want conversational AI
- You want emotional intelligence
- You work in AI assistants, not customer support
Choose Smith.ai if
- You want ensures 24/7 call coverage, eliminating missed opportunities
- You want combines AI efficiency with human empathy for superior caller experience
- You work in customer support, not AI assistants
In-Depth Analysis
Pi
Personal AI assistant by Inflection
Pi's pricing is exceptionally generous, offering a fully-featured AI assistant completely free of charge.
Strengths
- Pro: Conversational AI
- Pro: Emotional intelligence
- Pro: Good for chat
- Pro: Free to use
- Pro: Active development
Weaknesses
- Con: Limited features
- Con: No API access
- Con: Consumer focused
- Con: Privacy concerns
- Con: Better alternatives exist
Key features
Smith.ai
24/7 AI and live agents for calls, leads, and scheduling
Smith.ai's AI Receptionist starts free (25 real calls a month, then $3.00 per call), and Pro starts at $150/month for 75 calls, about $2 per call, dropping to about $1.67 per call at 300 calls.
Watch out
Extra calls beyond the plan cost $3.00 each on Free and $2.10 to $2.50 each on paid plans
Strengths
- Pro: Ensures 24/7 call coverage, eliminating missed opportunities.
- Pro: Combines AI efficiency with human empathy for superior caller experience.
- Pro: Significantly reduces costs compared to hiring an in-house receptionist.
- Pro: Automates lead qualification and appointment scheduling, saving staff time.
- Pro: Offers deep integrations with existing business tools for seamless workflows.
Weaknesses
- Con: Custom integrations and advanced AI optimization are primarily exclusive to annual plans.
- Con: Monthly plans have unused calls expire and incur overage charges.
- Con: AI-only scheduling is limited to integrated calendars, requiring live agents for other platforms.
Key features
Plans and prices: Pi vs Smith.ai
| Tool | Plans and prices | Source |
|---|---|---|
| Pi |
| pi.ai read Sep 30, 2026 |
| Smith.ai |
| smith.ai/pricing/ai-receptionist read Nov 1, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Pi pricing and Smith.ai pricing.
Key Takeaways
Pi
- Choose if you want personal AI assistant by Inflection
Smith.ai
- Higher user rating: 4.9/5 vs 4.4/5
What the data shows
On the data below, Smith.ai leads on higher user rating. We do not name an overall winner for this pair.
- Smith.ai has the higher user rating (4.4/5 from 158 reviews for Pi, 4.9/5 from 139 reviews for Smith.ai).
- Smith.ai starts at $150/mo, billed monthly; Pi has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
What Users Say
Pi Reviews
Friendly great ideas
The friendliness of the speaker. The ideas. The speed of answers. P
Frequently Asked Questions
How do Pi and Smith.ai compare in 2026?
On the data below, Smith.ai leads on higher user rating. We do not name an overall winner for this pair. Smith.ai has the higher user rating (4.4/5 from 158 reviews for Pi, 4.9/5 from 139 reviews for Smith.ai). Smith.ai starts at $150/mo, billed monthly; Pi has no public paid plan price on file. Both have a free plan.
What are Pi and Smith.ai used for?
Pi: Personal AI assistant by Inflection. Smith.ai: 24/7 AI and live agents for calls, leads, and scheduling.
What does Pi cost vs Smith.ai?
Pi is free. Smith.ai's cheapest paid plan is Pro at $150/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 1, 2026.
What's the main difference between Pi and Smith.ai?
Pi's main strength: conversational AI. Smith.ai's main strength: ensures 24/7 call coverage, eliminating missed opportunities.