Lunary vs PromptLayer

Lunary and PromptLayer are both great platforms for building AI apps.

We are building Lunary to be the best observability and monitoring tool for AI.

Lunary

PromptLayer

Open Source

The source code can be reviewed and people can contribute to it.

Self Hostable

The platform can be hosted freely on your own servers, allowing to control costs and ensure your data privacy standards.

Bootstrapped

The company cares more about customers than investors.

Evaluations

Test your prompts and agents. Ensure Improve your app's quality.

Alerts

Configure custom alerts to be notified when outlier runs or errors are detected.

Public API

Access your data through a public API.

Exports

Export your data to CSV or JSONL.

Prompt Playground

Experiment and play with prompts in the dashboard.

Prompt Templates

Manage prompt templates with versioning.

Chat Replays

Replay user conversations and see what feedback they leave.

Agent Tracing

Debug your agents with powerful nested tracing.

Metrics

Track your LLM usage with analytics.

Cost Analytics

Monitor your costs segmented by agents, users and conversation.

AI filters and views

Filter and view your data by AI metrics (ex: confidence, sentiment, etc...).

No-code tests & evaluations

Create tests & evaluations without writing any code. Just use the dashboard and see when your agents are misbehaving.

User Tracking

Track each user' usage and review their requests.

Feedback Tracking

Collect feedback directly from your users.

LangChain Support

First-class support for LangChain.

LangChain Hybrid integration

First-class support for partially using LangChain (ex: building custom agents using langchain's Chat classes).

Get started in minutes.

Run it on your own or get started in minutes with our hosted version.
Open Source
Self Hostable
Evaluations
Alerts
Public API
Exports
Prompt Templates
Chat Replays
Agent Tracing
Metrics
Feedback Tracking
LangChain Support
Open Source
Self Hostable
Evaluations
Alerts
Public API
Exports
Prompt Templates
Chat Replays
Agent Tracing
Metrics
Feedback Tracking
LangChain Support