Open core

Free to run. Pro to scale.

Every tool is MIT/BSL open source and free forever. Pro unlocks the commercial-grade runtime surfaces.

Open Source

€0

Self-hosted, single process

  • All 8 CLIs & SDKs
  • agentbastion gateway (1 tenant)
  • Full corpus & policy harden
  • CI gates
  • Multi-tenant gateway
  • Priority support
Get it on GitHub

Sandbox Only

€5/mo

try the hosted agent stress-test

  • Hosted BastionSandbox access
  • 5 test runs/day, 1 at a time
  • Core attack tactics
  • Multi-tenant gateway
  • Priority support
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Recommended

Pro — Indie

€15/mo

solo developers

  • Everything in Open Source
  • Multi-tenant gateway + dashboard
  • bastiongate deep-inspect (LLM judge)
  • Alerts & metrics
  • Private policy templates
  • Email support
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Pro — Team

€40/mo

up to 10 seats

  • Everything in Indie
  • 10 seats & shared policies
  • SLA & priority support
  • Onboarding call
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Prefer to just support the work? Sponsor on GitHub.

What’s in Pro

CapabilityFreePro
All CLIs & SDKs, single-process use✓✓
agentbastion gateway (self-host, 1 tenant)✓✓
Multi-tenant gateway, dashboard, alerts—✓
bastiongate deep-inspect + metrics/SLA—✓
Priority support & private templates—✓

Prices in EUR, excl. VAT where applicable. Cancel anytime.