GreetKeeper vs Slang.ai
Slang.ai built one thing for one industry: an AI that handles restaurant phones, reservations and all. That focus is real, and GreetKeeper has no restaurant-specific product to set against it. What Slang.ai won't tell you is how many calls $399 a month covers, because they publish no call or minute allowance at any tier.
| GreetKeeper | Slang.ai | |
|---|---|---|
| Billing unit | Per answered call | Per location |
| Entry plan | $49/mo for 200 answered calls | Core from $399/mo per location |
| Higher tiers | $149 for 750, $349 for 2000 | Premium from $599 per location; Enterprise on request |
| Overage rate | $0.45 a call on Starter, published | No call or minute volumes published at any tier |
| Appointment booking | Included on every plan | Check current plan terms |
| Human fallback | Transfers to your team | Transfers to your team |
Slang.ai figures read from their own pricing page in September 2026. Check before you buy.
Why people move off Slang.ai
One vendor's specific wall, not a general complaint about the category.
Per-location pricing is simple until you have locations. Five sites at $399 is a five-figure annual line for answering the phone, and the suburban restaurant that takes nine calls a day pays what the flagship pays. The second reason is the blank space where the allowance should be. With no published call or minute volume, you can't tell whether a busy Friday costs anything extra, and you can't model what growth does to the bill.
Where we differ
The right-hand column is the honest one. A comparison that finds no fault with itself is worth nothing.
What GreetKeeper does differently
- They publish no call or minute allowance at any tier, so there is nothing to compare consumption against.
- Our entry plan is $49 against their $399 per location.
- We are not restaurant-specific, which is a disadvantage for a restaurant and an advantage for everyone else.
What you give up leaving Slang.ai
- A single vertical done properly, with reservation handling built for restaurants rather than adapted to them.
- Per-location pricing is simple to reason about for a group with several sites.
What a busy month costs on each meter
The headline price tells you about a quiet month. This is the other one.
Slang.ai scales by site: from $399 a location on Core, from $599 on Premium, Enterprise on request, with no volume published at any tier. Two restaurants is at least $798 a month and ten is at least $3,990, regardless of how the phones actually ring. Our plans scale by answered calls instead: $49 for 200, $149 for 750, $349 for 2,000, with the overage printed. A small second site can share an allowance rather than buying its own subscription.
| Plan | Monthly | Calls included | After that |
|---|---|---|---|
| StarterFor a single location taking calls one line at a time. | $49 | 200 | $0.45 per call |
| ProfessionalBooking, routing and transfers included, not an add-on. | $149 | 750 | $0.35 per call |
| ScaleFor busy phones and longer opening hours. | $349 | 2,000 | $0.25 per call |
Moving off Slang.ai in practice
The technical part is a forwarding change. The rest is the part nobody warns you about.
The reservation system is the whole job. Slang.ai is built around restaurant booking flows, so leaving means checking that whatever answers your phone next can still write into the booking platform you use, handle a party-size change, and take a waitlist name at 7pm on a Saturday. Read our integration matrix before anything else on this site. If your booking platform sits in the wrong column, price is irrelevant.
What we cannot show you
Questions people ask about this comparison
How many of my calls does Slang.ai's $399 cover?
They don't say. No call or minute allowance is published on any tier, so there's nothing to compare consumption against. Our $349 Scale plan covers 2,000 answered calls with $0.25 for each one after. Whether that's better for you depends on volumes only you can see.
Can you handle restaurant reservations?
We book into calendars and integrations we name explicitly, and our matrix says which write natively, which go through Zapier, and which don't connect. Slang.ai is built around restaurant booking systems. Check your platform in our matrix before you compare anything else.
I run four restaurants. What do you each charge me?
Slang.ai charges per location, so four sites is at least $1,596 a month on Core. Our plans count answered calls, and multi-location terms start from $299 a location with the volumes written into the contract. Get both quoted against your real call counts.
See a published allowance
Two hundred answered calls at $49, and the rate you pay after. Bring your own scenario.