What is the main difference between Helicone and OpenLIT ?

Helicone and OpenLIT 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: Helicone or OpenLIT ?

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

Can I migrate from Helicone to OpenLIT ?

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

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Helicone vs OpenLIT

Learn how Helicone and OpenLIT 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.

Helicone

Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.

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6,137stars+87(+1.4%)

Last 30 days

Last commit
10 days ago
Repository age
4 years
Version
v2025.08.21-1
License
Apache-2.0
Repository
helicone/helicone

OpenLIT

Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.

Visit OpenLIT Read more

2,747stars+68(+2.5%)

Last 30 days

Last commit
1 day ago
Repository age
3 years
Version
2.0.0
License
Apache-2.0
Self-hosted
Yes
Repository
openlit/openlit

Sponsor OpenLIT onopencollective.com

Detailed Comparison

Both Helicone and OpenLIT have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.

Helicone wins

Community & Popularity

Helicone leads in popularity with 6,137 stars vs 2,747 stars for **OpenLIT **. The 123% higher star count indicates stronger community adoption. In terms of developer contributions, Helicone has 667 forks, indicating moderate developer engagement.

OpenLIT wins

Growth Momentum

OpenLIT ** is growing faster, adding 68 stars in the last 30 days (+2.5%) against adding 87 stars for Helicone (+1.4%**). OpenLIT is the smaller project of the two, so it is closing the gap rather than extending a lead.

Comparable

Development Activity

Both projects show recent activity, with Helicone last updated 10 days ago and **OpenLIT ** 1 day ago.

Comparable

Technology Stack

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX, Python, Next.js. However, they differ in their additional technology choices: **OpenLIT ** leverages Golang, C, Objective-C.

Comparable

Project Maturity

Both projects started around the same time, with Helicone beginning 4 years ago and **OpenLIT ** 3 years ago.

Comparable

Licensing

Both projects use the Apache-2.0 license, providing identical terms for usage and distribution.

Comparable

Use Cases & Features

Both tools serve similar use cases in LLM Observability & Evaluation.

OpenLIT wins

Hosting & Deployment

**OpenLIT ** provides self-hosting options for complete data control and customization, while Helicone may be primarily cloud-based or require different deployment approaches.