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Kastro logo

Kastro Pricing

kastro.chat · Chatbots · refreshed 2026-05-06
Chatbots
Free tier
Self-serve checkout
3 tiers
Quick answer

Kastro pricing starts at $35/mo for the Starter plan. 4 tiers total including a free tier.

Page fetched 2026-05-09 · kastro.chat · Tier-based subscription
Kastro pricing page screenshot — https://kastro.chat/pricing
Source · live pricing page on 2026-05-06

kastro.chat/pricing

Open
Pricing
Kastro pricing
As of 2026-05-09 · kastro.chat/pricing
Free
Free
forever
1 Website
Help center
GPT-3.5
GPT-4
Typing suggestions
Starter
$35/mo
flat
1 Website
Help center
100 Help center articles
GPT-3.5
GPT-4
Professional
$75/mo
flat
3 Website
Help center
200 Help center articles
GPT-3.5
GPT-4
Elite
$275/mo
flat
10 Website
Help center
Unlimited Help center articles
GPT-3.5
GPT-4
Cost calculator
See your real cost on each plan

Adjust seats to compare Kastro plans side-by-side and check the annual break-even.

Starter
$35.00/mo
$35.00/mo
Professional
$75.00/mo
$75.00/mo
Elite
$275/mo
$275/mo
Open live pricing pageSee agent-readiness analysis
Frequently asked
Kastro pricing FAQ

Kastro pricing starts at $0/mo for the Free plan; paid plans up to $275/mo. Billed monthly.

Kastro's cheapest business-usable plan is Starter at $35/mo. Provides 2,000 AI credits monthly and 100 Help center articles, suitable for small-scale users..

Yes — Kastro publishes a free tier. no credit card required.

Yes — Kastro's purchase motion is self-serve. A checkout URL is published on the pricing page. No demo is required.

xpay scored Kastro as human-assisted: some plans are self-serve, others require sales contact. Kastro publishes a pricing page with 3 discoverable plan tier(s). No per-unit price was found on the page; an agent has no direct way to estimate the cost of a single task. Self-serve signup exists alongside a sales-led / custom tier. No public API documentation URL was discovered. A free or freemium tier is offered. For the full purchase simulation see the linked Agent-Ready Index scorecard.

In the Chatbots category, xpay's Agent-Ready Index lists alternatives ranked by their ability to support AI agent purchase. Visit the agent-readiness scorecard for Kastro to compare with 3 nearest peers.

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chatbase.co
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inworld.ai
CustomGPT pricing
customgpt.ai
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gpt-trainer.com
Browse all Chatbots alternatives →
AI agent readiness
Can an AI agent buy from Kastro?
Partially Agent-Ready

49

/ 100 in xpay's Agent-Ready SaaS Index

Kastro scores 49/100 on xpay's Agent-Ready Index v2: partial pricing visibility; self-serve checkout is available; a free entry path exists.

See the full scorecardIncludes the 6-step agent purchase simulation, score breakdown across 7 dimensions, and the one-line fix that would lift Kastro into the Agent-Ready Verified band.
Quick facts
At a glance
Free access

no credit card required

Billing cycle

Monthly

Lowest paid

$35/mo

Self-serve checkout

3 tiers

Tier count

4

Pricing model

Tier-based subscription

More Chatbots alternatives
Most agent-ready

Mendable

mendable.ai
79

MindPal

mindpal.space
78

DocuChat

docuchat.io
78

ChatAndBot

chatandbot.com
78

Robin

robinapp.co
78
Kastro pricing summary derived from a live read of https://kastro.chat/pricing on 2026-05-06. For the agent-readiness assessment — including the 6-step purchase simulation and a per-dimension scorecard — see xpay's Agent-Ready SaaS Index entry for Kastro.

Explore SaaS pricing across categories

25,480+ SaaS scored on agent-buyability — browse by readiness band, category, or jump straight to a pay-per-run tool on xpay.tools.

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