kitio.aiLangfuse vs OpenLIT
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Langfuse starts at $29/mo and OpenLIT starts at See pricing page. Check both pricing pages for current plans.
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 and agent tracing
- Evals
- Guardrails
- Prompt management
- Cost and GPU monitoring
| Feature | Langfuse | OpenLIT |
|---|---|---|
| Best for | Open-source LLM observability, prompt management and evals | Open-source observability and evals for LLM apps and agents |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | $29/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | ClickHouse | OpenLIT |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Both offer: Prompt management.
Pricing compared
Langfuse starts at $29/mo and OpenLIT starts at See pricing page. Check both pricing pages for current plans.
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
Open source
Free
- Self-hosted
- Tracing, evals and prompt management
- Apache 2.0
Enterprise
Contact sales
- Role-based access control
- Audit logs
- Alerts to Slack and PagerDuty
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
OpenLIT
- Free to self-host
- Built on OpenTelemetry
- Covers tracing, evals and prompts
- Hosted version is not yet available
- Enterprise features need a license
- Requires running your own infrastructure
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 OpenLIT if you want:
- Free to self-host
- Built on OpenTelemetry
- Covers tracing, evals and prompts
Watch out: hosted version is not yet available.
Langfuse vs OpenLIT FAQ
What is the difference between Langfuse and OpenLIT?
Langfuse: Open-source LLM observability, prompt management and evals. OpenLIT: Open-source observability and evals for LLM apps and agents. Both are models & apis tools.
Is Langfuse or OpenLIT cheaper?
Langfuse starts at $29/mo and OpenLIT starts at See pricing page. Check both pricing pages for current plans.
Do Langfuse and OpenLIT have free plans?
Langfuse: Yes. OpenLIT: Yes.
Who makes Langfuse?
Langfuse is made by ClickHouse, based in United States.
Who makes OpenLIT?
OpenLIT is made by OpenLIT.
Which should I choose, Langfuse or OpenLIT?
Choose Langfuse if you value free to self-host and no seat-based fees. Choose OpenLIT if you value free to self-host and built on opentelemetry.