What is the main difference between Laminar and Langfuse?

Laminar and Langfuse are both llm observability & evaluation but differ in their approach, features, and target audience. Compare their GitHub stats, technology stack, and community adoption to make the best choice.

Which is better: Laminar or Langfuse?

The choice between Laminar and Langfuse depends on your specific needs, technical requirements, and team preferences. Both are quality open source solutions with active communities.

Can I migrate from Laminar to Langfuse?

Migration between Laminar and Langfuse is possible but requires careful planning. Consider data export/import capabilities, feature parity, and potential workflow changes.

Openlane – Open-source, developer-first platform for automated compliance, risk management, and built-in Trust Center.

Learn more

Laminar vs Langfuse

Learn how Laminar and Langfuse differ in their key features, development activity, technology stack and community adoption, so you can decide which of these llm observability & evaluation is best for you.

Laminar

Laminar is an open-source platform that helps collect, understand, and utilize data for building high-quality LLM applications.

Visit Laminar Read more

3,478stars+111(+3.3%)

Last 30 days

Last commit
2 days ago
Repository age
2 years
Version
v0.3.3
License
Apache-2.0
Self-hosted
Yes
Repository
lmnr-ai/lmnr

Langfuse

Langfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications.

Visit Langfuse Read more

37,139stars+1,565(+4.4%)

Last 30 days

Last commit
13 hours ago
Repository age
3 years
Version
v4.76.0
License
MIT
Self-hosted
Yes
Repository
langfuse/langfuse

Detailed Comparison

Langfuse appears to have several advantages over Laminar, particularly in popularity, growth, maturity and licensing. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.

Langfuse wins

Community & Popularity

Langfuse significantly outpaces Laminar in community adoption with 37,139 stars compared to 3,478 stars on GitHub. This 10.7x difference suggests Langfuse has a much larger and more active community. In terms of developer contributions, Langfuse has 4,171 forks, indicating strong developer engagement.

Langfuse wins

Growth Momentum

Langfuse is growing faster, adding 1,565 stars in the last 30 days (+4.4%) against adding 111 stars for Laminar (+3.3%). Langfuse is both larger and pulling further ahead.

Comparable

Development Activity

Both projects show recent activity, with Laminar last updated 2 days ago and Langfuse 13 hours ago.

Comparable

Technology Stack

Both tools share common technology foundations, being built with JavaScript, CSS, Typescript, JSX, Next.js. However, they differ in their additional technology choices: Laminar uses Python, Rust while Langfuse leverages Bash.

Langfuse wins

Project Maturity

Langfuse has been in development longer, starting 3 years ago, compared to Laminar which began 2 years ago. This 1.3-year head start suggests Langfuse may have more mature features and established processes.

Langfuse wins

Licensing

Langfuse uses the MIT license, which is more permissive than Laminar's Apache-2.0 license, potentially offering greater flexibility for commercial use and integration.

Comparable