AI Tool
Lunary pricing, features, company info, and alternatives
A factual product page for Lunary's AI observability and evaluation platform.
Last updated April 2026 · Pricing and features verified against official documentation
Pricing
Current public pricing tiers on file for Lunary, last verified Apr 25, 2026.
Free
$0 / month
No credit card required; includes 10k events per month, 3 projects, and 30 days of logs retention.
Team
$20 / user/month
Includes 50k events per month, AI Playground, unlimited projects, and 1 year history.
Enterprise
Custom
Sales-led plan with self-hosting, SSO, granular access control, PII masking, SLA, white labeling, and data warehouse connectors.
What You Can Do With It
The main capabilities that shape how people use Lunary today.
Monitors and debugs LLM calls and agent traces with logs, stack traces, and filters.
Adds prompt management, versioning, templates, and A/B testing.
Includes analytics, human reviews, topic classification, and custom dashboards.
Supports self-hosting and enterprise controls such as PII masking, RBAC, and SSO.
Best For
Who Lunary is most clearly built for.
Developers building chatbots or agent workflows that need observability and prompt iteration.
Teams that want self-hosted or enterprise deployment for sensitive LLM data.
Organizations instrumenting OpenAI or LangChain-based apps through SDKs and the API.
Platforms
Where you can use Lunary today.
Web
Self-hosted
API
Integrations
Notable connected tools and ecosystem hooks for Lunary.
OpenAI
LangChain
Python
JavaScript
Privacy Notes
Publicly stated data-handling notes that matter when evaluating Lunary.
The privacy policy says Lunary LLC may collect names, email addresses, professional details, usage data, and cookies or tracking data, including through PostHog.
The FAQ says data is hosted in Europe and can also be accommodated on-premises.
Compliance
Public compliance or enterprise-governance signals we found for Lunary.
SOC 2 Type II
ISO 27001
GDPR
Access
How to integrate or build around Lunary.
Public API
Yes
Docs
Available
Alternatives
Other tools worth considering alongside Lunary.
Open-source LLM engineering platform for tracing, prompt management, evaluations, and analytics.
Framework-agnostic platform for observability, evaluation, and deployment of AI agents and LLM apps.
Open-source LLM observability, evaluation, and optimization platform from Comet.
AI agent testing and LLM evaluation platform for observability, prompt management, simulations, and guardrails.
Product Snapshot
Lunary is an AI observability and evaluation platform for developers building LLM chatbots and other LLM-powered applications.
What You Can Do With It
- Monitor and debug LLM calls and agent traces with logs, stack traces, and filters.
- Manage prompt templates, versioning, and A/B testing workflows.
- Track chatbot conversations, user feedback, analytics, and topic classification.
- Instrument applications through Python, JavaScript, LangChain, and the public API.
Why It Stands Out
It combines observability, prompt management, evaluations, analytics, and self-hosting options in one platform.
Tradeoffs To Know
- The free and Team plans have event limits and retention limits.
- Enterprise controls such as self-hosting, SSO, RBAC, and PII masking are plan-specific.
- Public materials do not clearly list leadership or headquarters details.