kitio.aiLangfuse vs Lunary
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Lunary has the lower starting price: about $20 a month, against $29 for Langfuse.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- LLM tracing
- OpenTelemetry support
- Prompt management
- Evaluations and datasets
- Self-hosting
- LLM request logging
- Chatbot analytics
- Prompt versioning
- Human reviews
- AI playground
- CSV and JSONL export
| Feature | Langfuse | Lunary |
|---|---|---|
| Best for | Open-source LLM observability, prompt management and evals | Observability, prompt management and evals for LLM apps |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | $29/mo | $20/mo |
| Free plan | Yes | Yes |
| Made by | ClickHouse | Lunary |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Lunary has the lower starting price: about $20 a month, against $29 for Langfuse.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Hobby
Free
- Free cloud plan
- Limited usage and history
Core
$29/mo
- 100k units included, $8/100k extra
- 90 days data access
- Unlimited users
Pro
$199/mo
- 3 years data access
- High rate limits
- SOC2 and ISO27001 reports
Enterprise
$2499/mo
- Audit logs and SCIM API
- Uptime and support SLA
- Named support engineer
2 plans
Team
$20/mo
- Per user
- 50,000 events per month
- 300 playground queries per month
- Unlimited projects, 1 year history
Enterprise
Custom
- Custom limits
- Plans for larger teams
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Langfuse
- Free to self-host
- No seat-based fees
- Works with any framework
- Self-hosting needs ops work
- Advanced features on paid tiers
- UI can feel dense
Lunary
- Prompts and traces in one tool
- Self-hosting option
- Clear per-seat pricing
- Cloud workspace requires payment up front
- Team plan caps at 10 seats
- Extra events and queries cost more
Which one should you choose?
Choose Langfuse if you want:
- Free to self-host
- No seat-based fees
- Works with any framework
Watch out: self-hosting needs ops work.
Choose Lunary if you want:
- Prompts and traces in one tool
- Self-hosting option
- Clear per-seat pricing
Watch out: cloud workspace requires payment up front.
Langfuse vs Lunary FAQ
What is the difference between Langfuse and Lunary?
Langfuse: Open-source LLM observability, prompt management and evals. Lunary: Observability, prompt management and evals for LLM apps. Both are models & apis tools.
Is Langfuse or Lunary cheaper?
Lunary has the lower starting price: about $20 a month, against $29 for Langfuse.
Do Langfuse and Lunary have free plans?
Langfuse: Yes. Lunary: Yes.
Who makes Langfuse?
Langfuse is made by ClickHouse, based in United States.
Who makes Lunary?
Lunary is made by Lunary.
Which should I choose, Langfuse or Lunary?
Choose Langfuse if you value free to self-host and no seat-based fees. Choose Lunary if you value prompts and traces in one tool and self-hosting option.