Comparison
openlit vs openllmetry
Both OpenLIT and OpenLLMetry offer observability solutions for AI applications but cater to slightly different needs.
Markdown twin · openlit alternatives · openllmetry alternatives
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Tagline
- openlit
- Platform for AI Engineering Observability
- openllmetry
- Open-source observability for your LLM application
Stars
- openlit
- 2.6k
- openllmetry
- 7.3k
Forks
- openlit
- 319
- openllmetry
- 1.0k
Open issues
- openlit
- 53
- openllmetry
- 591
Language
- openlit
- TypeScript
- openllmetry
- Python
Adopt for
- openlit
- Platform for AI Engineering Observability, integrating OpenTelemetry-native observability SDKs and supporting a wide array of LLM providers and GPU monitoring.
- openllmetry
- OpenLLMetry is an open-source observability tool based on OpenTelemetry for monitoring and metrics in GenAI and LLM applications.
Persona
- openlit
- -
- openllmetry
- -
Runtime
- openlit
- -
- openllmetry
- -
License
- openlit
- Apache-2.0
- openllmetry
- Apache-2.0 license grants permission to use, study, modify, and distribute the tool freely.
Last pushed
- openlit
- Jul 7, 2026
- openllmetry
- Jul 8, 2026
Categories
- openlit
- Evaluation & Observability, Inference & Serving
- openllmetry
- Evaluation & Observability
Trust and health
Open issues (now)
- openlit
- 53
- openllmetry
- 591
Security scan
- openlit
- No lockfile
- openllmetry
- 29 low (29 low)
Full report
- openlit
- Trust report
- openllmetry
- Trust report
Shared compatibility
- Python · openlit: Python runtime · openllmetry: Python runtime
Choose openlit if…
- openlit is primarily TypeScript; openllmetry is Python.
- Tags unique to openlit: gpu-monitoring, monitoring-tool, ai-observability, opentelemetry.
- Also covers Inference & Serving.
- openlit ships Docker support for self-hosted deployment.
- - When you need comprehensive monitoring tailored specifically for AI engineering tasks such as managing prompts, handling exceptions, and evaluating model performance with built-in evaluation types.
When NOT to use openlit
- - When looking for a tool exclusively focused on training models, as OpenLIT primarily caters to inference and serving phases with monitoring and evaluation functionalities.
- - If you are working in an environment where the Apache-2.0 license is not compliant or acceptable.
Choose openllmetry if…
- openllmetry is primarily Python; openlit is TypeScript.
- Requirements: Built on top of OpenTelemetry; compatible with various observability solutions like Datadog and Honeycomb.
- Tags unique to openllmetry: ml, artifical-intelligence, llm, datascience.
- - Use it if you are working with Large Language Model (LLM) or Generative AI applications that require detailed observations, including model oversight and performance metrics.
When NOT to use openllmetry
- - Avoid using it for applications where existing comprehensive proprietary observability solutions already meet all requirements without the need for integration flexibility offered by OpenTelemetry.
- - Not recommended if your team has limited experience with OpenTelemetry, which could complicate adoption and integration with other tools unless there is a dedicated effort to adapt.
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Common questions
- What should I consider when choosing between OpenLIT and OpenLLMetry?
- Consider the specific needs of your AI application. If you require comprehensive monitoring tailored for managing prompts, handling exceptions, and evaluating model performance with a focus on inference and serving phases, along with integration into existing observability infrastructure using Apache-2.0 license compliance, then OpenLIT might be suitable. On the other hand, if your project focuses
- What is the difference between openlit and openllmetry?
- openlit: Platform for AI Engineering Observability. openllmetry: Open-source observability for your LLM application. See the comparison table for live GitHub stats and shared categories.
- When should I choose openlit over openllmetry?
- Choose openlit over openllmetry when openlit is primarily TypeScript; openllmetry is Python; Tags unique to openlit: gpu-monitoring, monitoring-tool, ai-observability, opentelemetry; Also covers Inference & Serving; openlit ships Docker support for self-hosted deployment; - When you need comprehensive monitoring tailored specifically for AI engineering tasks such as managing prompts, handling exceptions, and evaluating model performance with built-in evaluation types.
- When should I choose openllmetry over openlit?
- Choose openllmetry over openlit when openllmetry is primarily Python; openlit is TypeScript; Requirements: Built on top of OpenTelemetry; compatible with various observability solutions like Datadog and Honeycomb; Tags unique to openllmetry: ml, artifical-intelligence, llm, datascience; - Use it if you are working with Large Language Model (LLM) or Generative AI applications that require detailed observations, including model oversight and performance metrics.
- When should I avoid openlit?
- - When looking for a tool exclusively focused on training models, as OpenLIT primarily caters to inference and serving phases with monitoring and evaluation functionalities. - If you are working in an environment where the Apache-2.0 license is not compliant or acceptable.
- When should I avoid openllmetry?
- - Avoid using it for applications where existing comprehensive proprietary observability solutions already meet all requirements without the need for integration flexibility offered by OpenTelemetry. - Not recommended if your team has limited experience with OpenTelemetry, which could complicate adoption and integration with other tools unless there is a dedicated effort to adapt.
- Is openlit or openllmetry more popular on GitHub?
- openllmetry has more GitHub stars (7,281 vs 2,581). Stars measure visibility, not whether either tool fits your constraints.
- Are openlit and openllmetry open source?
- Yes - both are open-source projects on GitHub (openlit: Apache-2.0, openllmetry: Apache-2.0).
- Where can I find alternatives to openlit or openllmetry?
- GraphCanon lists graph-backed alternatives at /tools/openlit-openlit/alternatives and /tools/traceloop-openllmetry/alternatives (/tools/openlit-openlit/alternatives.md, /tools/traceloop-openllmetry/alternatives.md), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at /compare/openlit-openlit-vs-traceloop-openllmetry.md mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, openlit or openllmetry?
- openlit: Very active. openllmetry: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for openlit and openllmetry?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: openlit: /tools/openlit-openlit/trust; openllmetry: /tools/traceloop-openllmetry/trust.