Home/Compare/opik vs langfuse

Comparison

opik vs langfuse

Verdict

Pick opik if opik is designed for evaluating and monitoring LLM applications, offering comprehensive tracing and dashboards; pick langfuse if langfuse is an open source AI engineering platform designed to support evaluation and observability functions for large language models.

Markdown twin · opik alternatives · langfuse alternatives

GraphCanon updated 1w

opik logo

opik

comet-ml/opik

21kpushed Aug 7, 2026
vs
langfuse logo

langfuse

langfuse/langfuse

32kpushed Jul 31, 2026

Trust & integrity

Signalopiklangfuse
Maintenance
Very active (0d since push)
As of 1w · github_public_v1
Very active (0d since push)
As of 2w · github_public_v1
Provenance
Not a fork · Organization account
As of 1w · github_public_v1
Not a fork · Organization account
As of 2w · github_public_v1
OSV dependency advisories
No lockfile (source not queried)
As of 1mo · osv@v1
No lockfile (source not queried)
As of 1mo · osv@v1
deps.dev advisories
Not queried
deps.dev@v1
Not queried
deps.dev@v1
OpenSSF Scorecard
Not queried
openssf-scorecard@v1
Not queried
openssf-scorecard@v1

Tagline

opik
Debug, evaluate, and monitor your LLM applications with comprehensive tracing and production-ready dashboards
langfuse
Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets

Stars

opik
21k
langfuse
32k

Forks

opik
1.7k
langfuse
3.5k

Open issues

opik
172
langfuse
709

Language

opik
Python
langfuse
TypeScript

Adopt for

opik
Opik is designed for evaluating and monitoring LLM applications, offering comprehensive tracing and dashboards.
langfuse
Langfuse is an open source AI engineering platform designed to support evaluation and observability functions for large language models.

Persona

opik
-
langfuse
-

Runtime

opik
-
langfuse
-

License

opik
Apache-2.0
langfuse
Other

Last pushed

opik
Aug 7, 2026
langfuse
Jul 31, 2026

Categories

opik
Evaluation & Observability
langfuse
Evaluation & Observability

Trust and health

Open issues (now)

opik
172
langfuse
709

Stars delta

opik
+767 (30d)
langfuse
Unknown

Open issues delta

opik
+23 (30d)
langfuse
Unknown

Full report

langfuse
Trust report

Typed relationship

opik alternative langfuseOpik and Langfuse both provide AI observability, evaluation, metrics, and playground features for LLM applications.

Choose opik if…

  • opik is primarily Python; langfuse is TypeScript.
  • License: opik is Apache-2.0, langfuse is Other.
  • Pricing: Opik is available under the Apache-2.0 license and can be deployed freely using Docker or Kubernetes, with no explicit mention of premium cloud-based services..
  • Requirements: Compatible with Python environments.; Can be deployed via Docker for local use or Kubernetes for scalable installations..
  • Opik and Langfuse both provide AI observability, evaluation, metrics, and playground features for LLM applications.
  • Tags unique to opik: llm-evaluation, llm-observability.
  • - Use Opik when you need to deploy a self-hosted solution that offers granular control over your LLM monitoring setup.

When NOT to use opik

  • - Avoid using Opik if you prefer cloud-based deployment options where extensive self-hosting management may be less preferable or feasible.
  • - Do not use Opik if your project does not involve LLM applications or RAG systems, as its specific features will offer little benefit in a narrower context.

Choose langfuse if…

  • langfuse is primarily TypeScript; opik is Python.
  • License: langfuse is Other, opik is Apache-2.0.
  • Pricing: Langfuse offers an open-source version under MIT license except for some 'ee' folders, indicating a possible enterprise edition. Specific pricing details are not provided within the repository content.
  • Requirements: Requires Docker; Self-hosting options include Docker Compose and Kubernetes for deployment..
  • Opik and Langfuse both provide AI observability, evaluation, metrics, and playground features for LLM applications.
  • Tags unique to langfuse: analytics, observability, open-source, prompt management.
  • langfuse ships Docker support for self-hosted deployment.
  • Use Langfuse if you need advanced prompt management tools, as it offers comprehensive features specifically tailored for managing prompts efficiently.

When NOT to use langfuse

  • Avoid using Langfuse if you prefer a vendor-managed service as it requires self-hosting. This can be less desirable for teams looking to minimize infrastructure management.
  • If your development environment is not compatible with Kubernetes, Docker Compose configurations, or major cloud providers (AWS, Azure, GCP) that Langfuse supports via specific templates and Helm, it
  • may not be the optimal choice.

Explore

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: opik 21k · langfuse 32k (synced Aug 7, 2026).

Common questions

What is the difference between opik and langfuse?
opik: Debug, evaluate, and monitor your LLM applications with comprehensive tracing and production-ready dashboards. langfuse: Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. See the comparison table for live GitHub stats and shared categories.
When should I choose opik over langfuse?
Choose opik over langfuse when opik is primarily Python; langfuse is TypeScript; License: opik is Apache-2.0, langfuse is Other; Pricing: Opik is available under the Apache-2.0 license and can be deployed freely using Docker or Kubernetes, with no explicit mention of premium cloud-based services.; Requirements: Compatible with Python environments.; Can be deployed via Docker for local use or Kubernetes for scalable installations.; Opik and Langfuse both provide AI observability, evaluation, metrics, and playground features for LLM applications; Tags unique to opik: llm-evaluation, llm-observability; - Use Opik when you need to deploy a self-hosted solution that offers granular control over your LLM monitoring setup.
When should I choose langfuse over opik?
Choose langfuse over opik when langfuse is primarily TypeScript; opik is Python; License: langfuse is Other, opik is Apache-2.0; Pricing: Langfuse offers an open-source version under MIT license except for some 'ee' folders, indicating a possible enterprise edition. Specific pricing details are not provided within the repository content; Requirements: Requires Docker; Self-hosting options include Docker Compose and Kubernetes for deployment.; Opik and Langfuse both provide AI observability, evaluation, metrics, and playground features for LLM applications; Tags unique to langfuse: analytics, observability, open-source, prompt management; langfuse ships Docker support for self-hosted deployment; Use Langfuse if you need advanced prompt management tools, as it offers comprehensive features specifically tailored for managing prompts efficiently.
When should I avoid opik?
- Avoid using Opik if you prefer cloud-based deployment options where extensive self-hosting management may be less preferable or feasible. - Do not use Opik if your project does not involve LLM applications or RAG systems, as its specific features will offer little benefit in a narrower context.
When should I avoid langfuse?
Avoid using Langfuse if you prefer a vendor-managed service as it requires self-hosting. This can be less desirable for teams looking to minimize infrastructure management. If your development environment is not compatible with Kubernetes, Docker Compose configurations, or major cloud providers (AWS, Azure, GCP) that Langfuse supports via specific templates and Helm, it may not be the optimal choice.
Is opik or langfuse more popular on GitHub?
langfuse has more GitHub stars (32,271 vs 21,177). Stars measure visibility, not whether either tool fits your constraints.
Are opik and langfuse open source?
Yes - both are open-source projects on GitHub (opik: Apache-2.0, langfuse: Other).
Where can I find alternatives to opik or langfuse?
GraphCanon lists graph-backed alternatives at opik alternatives and langfuse alternatives (opik markdown twin, langfuse markdown twin), ranked by typed relationship edges rather than popularity votes.
Is there a machine-readable version of this comparison?
Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
Which is better maintained, opik or langfuse?
opik: Very active. langfuse: 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 opik and langfuse?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: opik trust report; langfuse trust report.

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