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AgentOps vs Lunary

Both stand on llm observability tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

AgentOps

Free plan Open source APISelf-hostedWeb

AgentOps brings tracing, replay, audit trails, and cost monitoring together for agent applications, with broad framework and provider integrations. Its free tier is limited by events, while higher plans add expanded limits, support, and enterprise deployment options.

Visit AgentOps

Lunary

Free plan Open source APISelf-hostedWeb

Lunary combines LLM observability with analytics, prompt management, and response evaluation. Teams should account for the Team plan’s monthly event and Playground query allowances, or consider self-hosting if they need control of their data.

Visit Lunary

The facts

AgentOpsLunary
Free planYesYes
Open sourceYesYes
Runs onAPI, Self-hosted, WebAPI, Self-hosted, Web
Lowest paid planPro: $40 a monthTeam: $20 per user a month
Plans published32
MakerNot publishedNot published
Websiteagentops.ailunary.ai
On llm observability tools#1 of 26#7 of 26

AgentOps: what it does well

  • Tracing covers LLM, agent, and retrieval activity
  • Replay runs for debugging
  • Tracks costs across 400-plus LLMs
  • Python and TypeScript/JavaScript SDKs
  • Free Basic plan up to 5,000 events

What to know first

  • Pro costs $40 a month
  • Enterprise pricing is custom
  • Free Basic plan limits events to 5,000
  • Recorded data includes logs and prompt-injection attacks

Lunary: what it does well

  • Traces, searches, and filters LLM calls and agents
  • Tracks usage, costs, topics, and user satisfaction
  • Prompt templates support versioning and A/B testing
  • Supports human review and response scoring
  • Offers web, API, and self-hosted deployment

What to know first

  • Team includes 50,000 events per month
  • Team includes 300 AI Playground queries per month
  • Overages are billed separately
  • Lunary Cloud is not suitable for HIPAA-compliant data collection

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