What is the main difference between Arize Phoenix and Laminar?

Arize Phoenix and Laminar 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: Arize Phoenix or Laminar?

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

Can I migrate from Arize Phoenix to Laminar?

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

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Arize Phoenix vs Laminar

Learn how Arize Phoenix and Laminar 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.

Arize Phoenix

Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.

Visit Arize Phoenix Read more

11,113stars+471(+4.4%)

Last 30 days

Last commit
8 hours ago
Repository age
4 years
Version
v20.3.0
License
Elastic-2.0
Self-hosted
Yes
Repository
arize-ai/phoenix

Laminar

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

Visit Laminar Read more

3,182stars+80(+2.6%)

Last 30 days

Last commit
1 day ago
Repository age
2 years
Version
v0.2.1
License
Apache-2.0
Self-hosted
Yes
Repository
lmnr-ai/lmnr

Detailed Comparison

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

Arize Phoenix wins

Community & Popularity

Arize Phoenix significantly outpaces Laminar in community adoption with 11,113 stars compared to 3,182 stars on GitHub. This 3.5x difference suggests Arize Phoenix has a much larger and more active community. In terms of developer contributions, Arize Phoenix has 1,067 forks, indicating strong developer engagement.

Arize Phoenix wins

Growth Momentum

Arize Phoenix is growing faster, adding 471 stars in the last 30 days (+4.4%) against adding 80 stars for Laminar (+2.6%). Arize Phoenix is both larger and pulling further ahead.

Comparable

Development Activity

Both projects show recent activity, with Arize Phoenix last updated 8 hours ago and Laminar 1 day ago.

Comparable

Technology Stack

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

Arize Phoenix wins

Project Maturity

Arize Phoenix has been in development longer, starting 4 years ago, compared to Laminar which began 2 years ago. This 1.8-year head start suggests Arize Phoenix may have more mature features and established processes.

Comparable

Licensing

The projects use different licenses: Arize Phoenix is licensed under Elastic-2.0 while Laminar uses Apache-2.0. Consider the licensing requirements when choosing for your project.

Comparable