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 18.8k 1.8k
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 145 156

Repositories

Showing 10 of 19 repositories

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 18,779 1,831 274 (2 issues need help) 174 UpdatedNov 29, 2025
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 145MIT 156 17 34 UpdatedNov 28, 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 301MIT 211 1 20 UpdatedNov 28, 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 86MIT 70 3 8 UpdatedNov 26, 2025
langfuse-examples Public
Examples on how to deploy and use Langfuse
langfuse/langfuse-examples’s past year of commit activity
TypeScript 12MIT 8 2 2 UpdatedNov 25, 2025
langfuse-k8s Public
Community-maintained Kubernetes config and Helm chart for Langfuse
langfuse/langfuse-k8s’s past year of commit activity
Smarty 193MIT 119 22 7 UpdatedNov 24, 2025
langfuse-terraform-aws Public
🪢 Terraform module to deploy Langfuse on AWS
langfuse/langfuse-terraform-aws’s past year of commit activity
HCL 39MIT 25 5 0 UpdatedNov 14, 2025
langfuse-terraform-gcp Public
🪢 Terraform module to deploy Langfuse on GCP
langfuse/langfuse-terraform-gcp’s past year of commit activity
HCL 24MIT 13 3 1 UpdatedNov 3, 2025
langfuse-terraform-azure Public
🪢 Terraform module to deploy Langfuse on Azure
langfuse/langfuse-terraform-azure’s past year of commit activity
HCL 26MIT 17 2 (1 issue needs help) 2 UpdatedNov 3, 2025
langfuse-api-reference Public
langfuse/langfuse-api-reference’s past year of commit activity
HTML 3MIT 2 0 0 UpdatedOct 20, 2025