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Kakunin Pricing 2026

Complete pricing guide for Kakunin — plans, costs, and free options.

PaidStarting at $39Updated September 16, 2026

💰 Kakunin Pricing Overview

Kakunin uses a paid pricing model. Requires a paid subscription or one-time purchase. Current pricing: Starter $39/agent/mo, minimum 5 agents (from $195/mo). Professional $99/agent/mo, minimum 20 agents (from $1,980/mo). Enterprise custom. 30-day free trial, card required. Alert-channel add-ons: Slack $9/mo, PagerDuty $15/mo, Twilio SMS or WhatsApp $12/mo (bring your own account).. Kakunin is a popular ai agent infrastructure tool known for x.509 identity, behaviour monitoring and regulator-ready audit trails for ai agents. You can get started with Kakunin for free and upgrade to a paid plan as your needs grow.

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🔍 Compare Before You Buy

See all 5 alternatives →

Comparing Kakunin to similar tools helps you make the best choice for your budget and needs:

KeepAI

Paid

Local, open-source permission and approval layer between AI agents and your apps

Starting at $5/month

Compare with Kakunin

Preloop

Open Source

Apache-2.0 AI agent control plane — MCP firewall, model gateway, policy-as-code and human approvals

Free to use

Compare with Kakunin

Cycles

Freemium

Self-hosted, Apache 2.0 runtime authority that gates autonomous agent spend and risky actions pre-execution

Starting at $1,500/month

Compare with Kakunin

Kakunin Plans & Pricing

Most Popular

Starter

$39

/agent/mo, minimum 5 agents (from $195/mo)

Professional

$99

/agent/mo, minimum 20 agents (from $1,980/mo)

Enterprise

Custom

custom

Alert-channel add-ons: Slack

$9/month

PagerDuty

$15/month

Twilio SMS or WhatsApp

$12/month

(bring your own account).

* Pricing information is based on publicly available data and may not reflect current promotions, annual discounts, or regional pricing. Visit the official Kakunin website for the latest pricing.

Is Kakunin Free?

Yes, Kakunin offers a free plan

Kakunin offers a free tier that lets you try the platform without any payment. The free plan typically includes core features with usage limits. For power users, paid plans unlock additional features, higher limits, and priority support.

Check Kakunin pricing at the source

The breakdown above is our summary of Kakunin's published pricing, not a quote. Plans, limits and what each tier includes change without notice — confirm on Kakunin's own pages before you buy.

Official Kakunin site ↗

We do not represent Kakunin and these links are not paid placements.

Is Kakunin Worth It?

Kakunin is a premium ai agent infrastructure tool that offers 6 key features including X.509 certificate issuance via AWS KMS, Immutable append-only audit log at 1,000 events/sec, Behavioural drift detection and content-risk scoring. Kakunin is compliance infrastructure that applies KYC-style identity to AI agents. Each agent is registered and certified in under three seconds, at which point AWS KMS issues an X.509 certificate binding the agent's identity, its operator and the actions it is permitted to take — the argument being that API keys carry no provenance and no revocation story, while certificates do. From there every agent action, decision and transaction streams to an ingest endpoint rated at 1,000 events per second with p99 latency around 200ms, building an append-only immutable audit log. Behavioural drift detection runs continuously against that stream, and content-risk scoring grades what the agent said rather than only what it did, producing a rolling 30-day trust score with automatic revocation below a 0.85 threshold. Public verification of an agent passport resolves in under 500ms. The output most buyers care about is the last step: one API call generates a regulator-ready compliance report as signed PDF and JSON, mapped to NIST AI RMF, the EU AI Act, MiCA, ISO 27001 or another of the six frameworks it covers. Pricing is per certified agent rather than per seat, with a 30-day free trial and optional bring-your-own-account alert channels for Slack, PagerDuty and Twilio SMS or WhatsApp.

Kakunin is a good choice if you need:

  • X.509 certificate issuance via AWS KMS
  • Immutable append-only audit log at 1,000 events/sec
  • Behavioural drift detection and content-risk scoring
  • Rolling 30-day trust score with auto-revoke
  • Signed compliance reports mapped to six frameworks

💡 Value Assessment

With a free tier available, Kakunin is an easy recommendation for anyone looking to try ai agent infrastructure tools without financial commitment. The paid plans offer good value for power users who need the additional features and higher usage limits.

Kakunin Key Features

Kakunin comes packed with features that make it a strong contender in the ai agent infrastructure space. Here's what you get:

1.
X.509 certificate issuance via AWS KMS

Available in the free plan with limits — X.509 certificate issuance via AWS KMS helps you work more efficiently with Kakunin.

2.
Immutable append-only audit log at 1,000 events/sec

Available in the free plan with limits — Immutable append-only audit log at 1,000 events/sec helps you work more efficiently with Kakunin.

3.
Behavioural drift detection and content-risk scoring

Available in the free plan with limits — Behavioural drift detection and content-risk scoring helps you work more efficiently with Kakunin.

4.
Rolling 30-day trust score with auto-revoke

Available in the free plan with limits — Rolling 30-day trust score with auto-revoke helps you work more efficiently with Kakunin.

5.
Signed compliance reports mapped to six frameworks

Available in the free plan with limits — Signed compliance reports mapped to six frameworks helps you work more efficiently with Kakunin.

6.
REST API and TypeScript SDK

Integrate Kakunin into your own applications and workflows via the API.

Kakunin Alternatives & Their Pricing

Considering alternatives to Kakunin? Here's how competing tools compare on pricing:

KeepAI

Paid

Local, open-source permission and approval layer between AI agents and your apps

Pricing: Open Beta pricing, locked for the life of the subscription: Starter $5/mo (was $10) for 3 apps and 1 agent, Pro $10/mo (was $20) for 10 apps and 3 agents, Business $15/mo (was $30) for 100 apps and 10 agents. 14-day free trial on every plan, no card required.

Preloop

Open Source

Apache-2.0 AI agent control plane — MCP firewall, model gateway, policy-as-code and human approvals

Pricing: The full control plane is free and Apache 2.0 licensed for self-hosting, including the MCP firewall, the AI model gateway with per-agent budgets, policy-as-code in YAML and CEL, human approvals on mobile, Slack, Mattermost and webhook, runtime session observability and audit trail, flow templates, the agent discovery CLI and community support. Teams is $29 per user per month, or $290 per user per year, for Preloop Cloud with hosted management, RBAC and team management, team-based approvals with quorum, CEL conditional approvals and escalation, AI-driven approval suggestions, advanced session optimisation, email support and a 14-day free trial. Enterprise is quoted on request and adds on-prem or private-VPC deployment, dedicated support with an SLA, custom integrations and policy reviews, AI Act readiness assistance and priority roadmap input; SSO, SAML and SCIM are listed as planned.

Cycles

Freemium

Self-hosted, Apache 2.0 runtime authority that gates autonomous agent spend and risky actions pre-execution

Pricing: Self-hosting is free under Apache 2.0. Production Support is introductory-priced at $1,500/month billed annually ($18,000/year) covering one production deployment, with guidance, an annual scope and deployment review, and roadmap input. Enterprise starts at $6,000/month billed annually (from $72,000/year) for mission-critical and regulated use. Fixed-scope services: Production Readiness Review $7,500 (about one week), Integration Sprint $15,000 (two weeks), Compliance Evidence Package $12,000, Team Enablement Workshop $3,500 half-day or $6,000 full-day for up to 12 engineers.

Tenure

Freemium

An AI proxy giving agents governed, structured memory plus runtime policy enforcement and audit trails

Pricing: Four tiers, with the paid ones currently in private beta. Community is free and self-run: project scopes, local tokens, structured beliefs and the core context engine, with unlimited client and agent tokens and no account required. Pro adds agent observability, automatic policy drafts from observed behaviour, policy enforcement, full audit history and exports, and backup/restore tooling, with community support. Team is $25 per user per month with a $99/month minimum that includes 4 users, then $25/user/month beyond that — it adds Team Mode, OAuth/OIDC, per-user identity, project and team scopes, shared team context, centralised audit history and ticket support. Enterprise is custom on an annual contract with SAML SSO, SCIM provisioning and deprovisioning, group-to-scope mapping, org-wide policy controls, retention and export controls, and faster support.

AgentPort

Freemium

Open-source security gateway for AI agents — granular tool policies, approval chains and full audit logs

Pricing: Free plan: up to 5 integrations, 10,000 tool calls/month, approval policies, audit logs and MCP plus CLI access. Plus is $12/month with unlimited integrations, 100,000 tool calls/month ($1 per additional 5,000), a custom integration builder, advanced policy management and priority support. Enterprise is custom-priced, adding teams and profiles, team-level policy management, integration with internal services, a self-hostable enterprise version and SSO/SAML. The open-source core can also be self-hosted for free on your own infrastructure.

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Frequently Asked Questions

Is Kakunin free to use?

Yes, Kakunin offers a free tier that you can use without paying. Paid plans starting at $39 unlock additional features and higher usage limits.

How much does Kakunin cost in 2026?

As of 2026, Kakunin pricing is: Starter $39/agent/mo, minimum 5 agents (from $195/mo). Professional $99/agent/mo, minimum 20 agents (from $1,980/mo). Enterprise custom. 30-day free trial, card required. Alert-channel add-ons: Slack $9/mo, PagerDuty $15/mo, Twilio SMS or WhatsApp $12/mo (bring your own account).. Pricing may vary based on billing cycle (monthly vs annual) and region. Visit the official Kakunin website for the most current pricing.

What is the cheapest Kakunin plan?

The cheapest option is the free tier. If you need premium features, the most affordable paid plan is Starter at $39.

Does Kakunin offer enterprise pricing?

Yes, Kakunin offers custom enterprise pricing with features like dedicated support, custom integrations, enhanced security, and volume discounts. Contact their sales team for a personalized quote.

What are the best alternatives to Kakunin?

Popular alternatives to Kakunin include KeepAI, Preloop, Cycles. Each offers different features and pricing structures. Compare them on AISO Tools to find the best fit for your needs and budget.

Is Kakunin worth the price?

Kakunin is well-regarded in the agent-infrastructure space, offering features like X.509 certificate issuance via AWS KMS, Immutable append-only audit log at 1,000 events/sec, Behavioural drift detection and content-risk scoring. Whether it's worth the investment depends on your specific needs, usage volume, and budget. The free tier lets you try it before committing to a paid plan.

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