pricing_optimizer.sql

Query the market. Stop guessing.

Kayako vs Plain

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Kayako

See full pricing history

USD · US · source: kayako.com

Plan	Pricing	Charged by	Offer type
Kay AI Agent	USD 1 monthly $1 per fully resolved ticket	Usage · per stated usage allowance	Standalone · Usage based
Kayako One	Contact sales Talk to a pricing expert	Flat · per month	Standalone · Contact sales

Plain

See full pricing history

USD · US · source: www.plain.com

Plan	Pricing	Charged by	Offer type
Foundation	USD 35 / month with annual commitment $35 /month 1 seat + $35/additional seats. $35/month, billed yearly	Seat · 1 seat + $35/additional seats	Standalone · Fixed
Horizon	USD 299 / month with annual commitment $299 /month 3 seats + $99/additional seats. $299/month, billed yearly	Seat · 3 seats + $99/additional seats	Standalone · Fixed
Frontier	Contact sales Custom Flexible pricing suited for you	Other	Standalone · Contact sales

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Kayako

Kay AI Agent

Plan card AI issue resolution: Included
Plan card No seat fees: Included
Plan card No setup fees: Included
Plan card No charge for escalations: Included

Kayako One

Plan card Unified inbox: Included
Plan card Ticketing system: Included
Plan card Knowledge base: Included
Plan card Live chat widget: Included

Plain

Foundation

AI features Credits included: 2,000/mo

Included
Users User seats: Up to 5

Included
Channels Slack: 25 channels

Limited
Channels Email: 2 addresses

Limited
Channels In-app channels: Included
Channels Microsoft Teams: Excluded
Channels Discord: Excluded
AI features Ari AI agent: included

Included
AI features Sidekick AI assistant: Included
Extensibility Linear, Jira integrations: Included
Help Center Help Center, Knowledge Base: 1

Limited
Help Center Ask AI: 1

Limited
Help Center Customer inbox: 1

Limited
Data-driven support Customer cards: Included
Data-driven support Customer card realtime: 12h cache

Limited
Extensibility AI workflows: Up to 5

Limited
Onboarding Onboarding process: Self-serve

Included
Onboarding Plain support: Email + chat

Included
Extensibility SLAs and Business hours: Excluded
Extensibility Escalation paths: Excluded
Extensibility CRM integrations: Excluded
AI features Reporting themes: Excluded
AI features AI suggested responses: Excluded
Data-driven support Reporting: 7 days

Limited
AI features Lookup with Cursor: Excluded
Services and compliance SSO and SCIM: Excluded
Onboarding Dedicated CSM: Excluded

Horizon

AI features Credits included: 15,000/mo

Included
Users User seats: Up to 10

Included
Channels Slack: Unlimited

Included
Channels Email: 10 addresses

Limited
Channels Microsoft Teams: Included
Channels Discord: Excluded
Highlights Everything in Foundation: Included
Extensibility SLAs and Business hours: Included
Extensibility Escalation paths: Included
Extensibility CRM integrations: Included
AI features Reporting themes: Included
AI features AI suggested responses: Included
Onboarding Priority support via Slack: Included
Help Center Help Center, Knowledge Base: Unlimited

Included
Help Center Ask AI: Unlimited

Included
Help Center Customer inbox: Unlimited

Included
Extensibility Workflows: Unlimited

Included
Data-driven support Customer card realtime: 15s

Included
Data-driven support Reporting: All time

Included
Onboarding Onboarding process: Self-serve

Included
Onboarding Plain support: Slack, email + chat

Included
AI features Lookup with Cursor: Excluded
Services and compliance SSO and SCIM: Excluded
Onboarding Dedicated CSM: Excluded
Onboarding White glove onboarding: Excluded

Frontier

AI features Credits included: Custom

Included
Users User seats: Custom

Included
Channels Slack: Unlimited

Included
Channels Email: 25 addresses

Limited
Channels Discord channels: Included
Highlights Everything in Horizon: Included
AI features Lookup with Cursor: Included
Extensibility Custom workspaces: Included
Services and compliance Custom contracting: Included
Services and compliance Advanced security: Included
Services and compliance SSO and SCIM: Included
AI features Custom AI + bring your own agent: Included
Onboarding Dedicated CSM + white glove onboarding: Included
Onboarding Onboarding process: White glove

Included
Onboarding Plain support: Dedicated CSM

Included
Help Center Help Center, Knowledge Base: Unlimited

Included
Help Center Ask AI: Unlimited

Included
Help Center Customer inbox: Unlimited

Included
Extensibility Workflows: Unlimited

Included
Data-driven support Customer card realtime: 15s

Included
Data-driven support Reporting: All time

Included

How their prices changed

Each date shows when a public price was observed, not when it took effect. An archived region or currency can differ, so a currency change is not necessarily a price increase.

Kayako

August 27, 2026
Official pricing page
- Kay AI Agent: USD 1 monthly
- Kayako One: Contact sales

Plain

September 21, 2026
Official pricing page
- Foundation: USD 35 / month with annual commitment
- Horizon: USD 299 / month with annual commitment
- Frontier: Contact sales
August 27, 2026
Official pricing page
- Foundation — default: USD 35 monthly · USD 35 / month with annual commitment