LLM observability
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Lunary

Open-source LLM monitoring + prompt management.

B-
81%Score
#5of 5 · LLM observability

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Pricing

Lunary pricing

Free
$0/mo

For personal projects.

  • 10,000 events per month
  • 3 projects
  • 30 days logs retention
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Team
$20/mo

Start scaling your project with more resources.

  • 50,000 events per month
  • AI Playground
  • Unlimited projects
  • 1 year history
  • Advanced features
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Enterprise
Custom

Custom plans for larger teams with personalized needs.

  • Self-hosted
  • SSO
  • Granular Access Control
  • PII Masking
  • SLA
  • White labeling
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Usage-based pricing
  • Logs / Events$10 / per 50k / month
  • AI Playground queries$0.05 / per query
Enterprise — Custom pricing — contact sales. Agency plans starting from $400/month also available.Contact sales →

Agency-specific flat plans starting from $400/month available. Discounts for students, non-profits, and open-source projects. Quarterly billing available on request.

Last verified Jun 11, 2026 · source ↗