Langfuse
Open-source LLM observability — tracing, evals, prompt management, and cost analytics.
Free self-host / $49/mo cloud Free tier available
Get Started - Category
- Agents & Automation
- Pricing
- Free self-host / $49/mo cloud
- Vendor
- Finto Technologies
- Website
- langfuse.com
About Langfuse
Langfuse is an open-source LLM engineering platform offering detailed tracing, evaluations, prompt versioning, and dataset management. Integrates with LangChain, LlamaIndex, OpenAI SDK, and more. Self-host or use Langfuse Cloud.
What you get
- Detailed LLM tracing
- Prompt versioning & management
- Evaluation pipelines
- Dataset management
- Cost & latency analytics
- Self-hostable
Specifications
| Trigger Types | SDK / programmatic |
|---|---|
| No-Code | No |
| Self-Host | Yes |
| Open Source | Yes |
| LLM Native | Yes |
| Starting Price | Free (self-host) |