Detection is free.
Pay for the fixes.

Athanor watches your vendors and shows exactly what breaks your code — free, on every plan. Paid plans generate the validated fix PRs. Flat prices, no per-seat math, cancel anytime.

Free

See what's about to break.

$0/mo
  • Unlimited public repos
  • 3 private repos
  • Change detection + impact analysis
  • Affected call sites, file by file
  • Fix PRs shown, generated on upgrade
Start free

Solo

For one developer's stack.

$10/mo
  • Everything in Free
  • 3 fix runs / month
  • Validated, typecheck-gated fix PRs
  • Pick which repos spend runs

Team

Popular

Fixes land before standup.

$49/mo
  • 10 private repos or monorepo workspaces
  • 15 fix runs / month
  • Optional overage at $5/run, capped by you
  • Slack & webhook notifications

Business

Whole-org coverage.

$199/mo
  • 50 private repos
  • 75 fix runs / month + overage
  • Bring your own key — unmetered runs
  • GPT-5.6, Opus 5 or Fable 5, your choice
  • Priority polling
EnterpriseSelf-hosted / VPC, private SDK registries, SSO & audit log — coming soon.
Talk to us

Compare plans

FeaturesFreeSoloTeamBusiness
Public reposUnlimitedUnlimitedUnlimitedUnlimited
Private repos watched331050
Change detection (SDK, changelog, OpenAPI)
Impact analysis — your affected call sites
Validated fix PRs
Fix runs per month31575
Overage runs ($5, opt-in, capped)
Per-repo control (auto-generate / detection only)
Slack & webhook notifications
Priority polling
Bring your own key (unmetered runs)
Model choice (GPT-5.6 / Opus 5 / Fable 5)

A fix run is the first fix generated for a repo on a given vendor release — regenerations, retries, and PR updates for the same release are always free. Monorepos count by workspaces, not the repo. Open-source repos get detection free forever.