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Lunary

by LunaryNo ratings yet

Monitor LLM applications, review conversations and improve prompts

Visit lunary.ai
Tool type
LLM observability and prompt management
Made for
Teams operating AI applications
Runs on
Web dashboard, SDKs and enterprise self-hosting
Last checked
30 Oct 2026
2 product sources

What it does

Lunary provides tracing, analytics and prompt management for applications built with language models. Developers connect an SDK to capture prompts, responses, errors and agent steps, then review conversations and track model usage, cost and feedback. Teams can label examples, score responses and organize human reviews to investigate quality problems.

Prompt templates support versioning and experiments without keeping every prompt embedded in application code. The cloud Team plan requires payment before a new workspace is activated; existing free workspaces keep their prior terms. Enterprise arrangements add self-hosting and controls such as SSO, access management and PII masking. Connect a test application first and decide what conversation data should be logged, since observability depends on the content and events sent to the service.

What it can do

  • LLM tracing
  • Conversation replay
  • Usage and cost analytics
  • Prompt versioning
  • Human reviews
  • Feedback tracking
  • PII masking on Enterprise

Works with

  • OpenAI
  • LangChain

Before you choose

  • New cloud workspaces require payment; the old free plan is preserved only for existing users.
  • Included event and playground allowances have separate overage charges.

Listed under

Get started

  1. Create the workspace and complete the Team checkout.
  2. Connect a supported SDK and send a test trace.
  3. Review conversations, organize prompts and configure the quality checks your team needs.
Create a paid Team workspace

Plans and prices

Prices in USD

Team includes 50,000 events and 300 playground queries per month, up to ten seats. Additional events cost $10 per 50,000/month and extra playground queries $0.05 each.

Team$20/user/mo
  • 50,000 events per month
  • 300 playground queries
  • One-year history

Source: lunary.ai/pricing, checked 30 Oct 2026. Prices can change; check before you buy.

Sources for this overview

Product pages, documentation, and pricing checked 30 Oct 2026. Each source supports part of the overview; availability and prices can change.

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What’s changed

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Signals

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Launch traction, hiring and release activity, tracked over time. Free with an account.

Data and security

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See how Lunary handles your data

Training on your files, compliance, hosting and the models behind it. Free with an account.

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Where this comes from

How we research
Company website
lunary.ai: product, pricing and policy pages
YC directory mirror
Batch and company name
Human review
Checked by a person
knowledge_base
manual_review

Last checked 30 Oct 2026. Every field keeps its source and date; unknown means we couldn’t confirm it.