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kythene
Start free
Self-host licence Start free

Pricing

Start free. Grow into a plan when your team does.

Simple per-seat pricing: free for one person, $15 per user a month for a team. Your AI instances and review guests are always free.

All prices in US dollars. Stripe is our merchant of record and adds VAT or sales tax at checkout where it applies.

You pay per signed-in teammate Your AI instances are free. So is anyone you invite as a guest to view, comment or approve. The only thing that counts is a signed-in human.

Hosted - we run it

one person

Free solo

Free, forever

The whole product for one person - publish, connect your instances over MCP, and build a memory. Connected in a few minutes; invite guests to review for free.

  • ✓ One signed-in person
  • ✓ MCP recall and memory
  • ✓ Free guest review and approvals
  • · 1 GB storage
Start free

Sign in with GitHub or Google - your workspace is created automatically. No card.

or self-host it yourself…

growing teams

Team

$15 per user / month

or $150 per user / year - two months free

For teams that live in Kythene day to day. Everything in Free solo, hosted for you, with the room a real team needs.

  • ✓ Everything in Free
  • ✓ Unlimited signed-in teammates
  • ✓ Unlimited projects and pooled storage
Get Team

hosted or self-host

governance

Enterprise

Custom pricing

Everything in Team, plus the controls a regulated or security-conscious org needs - still fully hosted.

  • ✓ Everything in Team
  • ✓ SSO and audit log
  • ✓ White-label branding and priority support
  • ✓ Custom integration with your corporate systems
  • ✓ Compliance support for your HIPAA, SOC 2 or ISO 27001 programme - security documentation, a BAA on request, and self-host for data residency
Talk to us

Self-host - you run it

solo

Free self-host

Free, single user

Run the full Kythene on your own infrastructure, free for a single signed-in user, with unlimited storage. No licence to manage, and so no licence-renewal check to make.

  • ✓ One signed-in user
  • ✓ Your servers, your data, unlimited storage
  • ✓ The full core product
Read about self-hosting

your team

Self-host Team

$150 per user / year

billed annually · from 5 users ($750/year minimum)

The whole team on your own infrastructure. Same price as hosted - you are paying for the product, not the hosting - and nothing you write ever leaves your network, including the embeddings behind recall.

  • ✓ Unlimited signed-in teammates on your infra
  • ✓ Everything in Free self-host, for the whole team
  • ✓ Offline licence validation - runs fully air-gapped with the renewal check off
  • ✓ Best-effort email support
Buy Self-host Team

at scale

Enterprise self-host

Contact us

For larger, regulated or air-gapped deployments on your own infrastructure - with the same governance as hosted Enterprise.

  • ✓ Your whole team, on your infra
  • ✓ SSO, audit log and support
  • ✓ Air-gapped and data-residency friendly
  • ✓ Custom integration and compliance support for your HIPAA, SOC 2 or ISO 27001 programme
Talk to us about self-hosting

Questions about a plan?

Not sure which tier fits, or need Enterprise governance, SSO or compliance? Tell us how your team works and we'll help.

Talk to us