Langfuse
Open Source MIT๐ชข Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets.
Description
๐ชข Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. ๐YC W23
Preview
Platforms
Linux Docker
Replaces the following proprietary tools
Datadog → Langfuse
New Relic → Langfuse
PagerDuty → Langfuse
Self-Hosting
Langfuse can be self-hosted on your own infrastructure. Visit the official documentation for installation instructions.
Documentation โCategories
Tags
#analytics
#autogen
#evaluation
#langchain
#large-language-models
#llama-index
#llm
Similar Tools
Grafana OSS
The leading open-source dashboard for monitoring and observability
AGPL-3.0 โโ Medium Self-hostable
Datadog New Relic PagerDuty
Last: Feb 2026 65.0k
View details โ
Prometheus
Cloud-native monitoring and alerting system
Apache-2.0 โโ Medium Self-hostable
Datadog New Relic PagerDuty
Last: Feb 2026 56.0k
View details โ
Loki
Efficient log aggregation system inspired by Prometheus
AGPL-3.0 โโ Medium Self-hostable
Datadog New Relic PagerDuty
Last: Feb 2026 24.0k
View details โ