Helicone
llm-observability
Open-source LLM observability and AI gateway in one line of code.
Pricing
Free plan
Rating
—
Votes
0
Head-to-head comparison
Helicone vs Lunary
Compare Helicone and Lunary side by side across pricing, features, ratings, pros, cons, best-fit use cases, and alternatives.
Lunary
llm-observability
Open-source LLM observability and prompt management for chatbots and RAG
Pricing
Free plan
Rating
—
Votes
0
Feature comparison
Feature
Helicone
Lunary
Category
llm-observability
llm-observability
Pricing
Free plan
Free plan
Free plan
API access
Mobile app
Browser extension
Team collaboration
Custom training
Self-hosted option
Offline mode
Multi-language support
Helicone pros and cons
Extremely easy integration via a one-line base-URL swap
Open source under Apache 2.0 and free to self-host
Tiny Docker image that runs almost anywhere
Gateway features like caching, failover, and rate limiting cut cost and improve reliability
Product is in maintenance mode after the Mintlify acquisition, with no roadmap
Long-term hosted-service viability is uncertain and migration may be needed
Usage-based overages mean the Pro price is a floor, not a cap
Lunary pros and cons
Open source under Apache 2.0
Self-hostable with no per-event cost
Lightweight and fast to set up
Model-agnostic with LangChain and OpenAI support
Free cloud tier capped at limited daily events
Lighter feature set than enterprise LLMOps suites
Smaller team and community than larger platforms
Which one should you choose?
Best overall signal
Helicone
Selected using Toolglade popularity signals such as views and votes.
Best value signal
Helicone
Selected using free-plan availability and engagement signals.
Best for
Helicone
- quick LLM request logging
- self-hosted observability
- gateway caching and failover
- cost and usage monitoring
- Teams wanting simple, cheap LLM logging
Lunary
- chatbot observability
- RAG monitoring
- open-source LLMOps
- Chatbot and RAG builders
- Teams wanting open-source observability
FAQ
Is Helicone better than Lunary?
It depends on your use case. Compare category fit, pricing, feature availability, and ratings before choosing.
Which tool has a free plan?
Helicone and Lunary offer a free plan based on current Toolglade data.