Langfuse

Open source LLM engineering platform. Debug, analyze and iterate together.

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Langfuse is anopen source LLM engineering platform. It helps teams collaborativelydevelop, monitor, evaluate, anddebug AI applications. Langfuse can beself-hosted in minutes and isbattle-tested.

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See thelangfuse/langfuse readme anddocs for more details.

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langfuselangfusePublic
🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23
TypeScript 19.5k 1.9k
langfuse-docslangfuse-docsPublic
🪢 Langfuse documentation -- Langfuse is the open source LLM Engineering Platform. Observability, evals, prompt management, playground and metrics to debug and improve LLM apps
Jupyter Notebook 149 168

Repositories

Showing 10 of 19 repositories

langfuse-docs Public
🪢 Langfuse documentation -- Langfuse is the open source LLM Engineering Platform. Observability, evals, prompt management, playground and metrics to debug and improve LLM apps
langfuse/langfuse-docs’s past year of commit activity
Jupyter Notebook 149MIT 168 19 47 UpdatedDec 18, 2025
langfuse Public
🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23
langfuse/langfuse’s past year of commit activity
TypeScript 19,466 1,912 291 (2 issues need help) 166 UpdatedDec 17, 2025
langfuse-python Public
🪢 Langfuse Python SDK - Instrument your LLM app with decorators or low-level SDK and get detailed tracing/observability. Works with any LLM or framework
langfuse/langfuse-python’s past year of commit activity
Python 309MIT 218 1 20 UpdatedDec 17, 2025
langfuse-js Public
🪢 Langfuse JS/TS SDKs - Instrument your LLM app and get detailed tracing/observability. Works with any LLM or framework
langfuse/langfuse-js’s past year of commit activity
TypeScript 94MIT 73 3 7 UpdatedDec 17, 2025
langfuse-k8s Public
Community-maintained Kubernetes config and Helm chart for Langfuse
langfuse/langfuse-k8s’s past year of commit activity
Smarty 197MIT 120 21 7 UpdatedDec 15, 2025
langfuse-terraform-azure Public
🪢 Terraform module to deploy Langfuse on Azure
langfuse/langfuse-terraform-azure’s past year of commit activity
HCL 28MIT 20 3 (1 issue needs help) 2 UpdatedDec 12, 2025
langfuse-terraform-gcp Public
🪢 Terraform module to deploy Langfuse on GCP
langfuse/langfuse-terraform-gcp’s past year of commit activity
HCL 25MIT 13 3 1 UpdatedDec 12, 2025
langfuse-terraform-aws Public
🪢 Terraform module to deploy Langfuse on AWS
langfuse/langfuse-terraform-aws’s past year of commit activity
HCL 42MIT 25 6 0 UpdatedDec 12, 2025
langfuse-examples Public
Examples on how to deploy and use Langfuse
langfuse/langfuse-examples’s past year of commit activity
TypeScript 15MIT 10 2 3 UpdatedDec 2, 2025
langfuse-api-reference Public
langfuse/langfuse-api-reference’s past year of commit activity
HTML 3MIT 2 0 0 UpdatedOct 20, 2025