Comparison
langfuse vs uptrain
Verdict
Pick langfuse if langfuse is an open-source platform for evaluating and monitoring large language model applications, offering self-hosting options for local, VM, and Kubernetes environments; pick uptrain if upTrain, an open-source platform, evaluates and enhances Generative AI applications with preconfigured checks, root cause analysis, and actionable insights.
Markdown twin · langfuse alternatives · uptrain alternatives
GraphCanon updated Sep 20, 2026
20views this month
Trust & integrity
| Signal | langfuse | uptrain |
|---|---|---|
| Maintenance | Very active (0d since push) As of Sep 18, 2026 · github_public_v1 | Dormant (762d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 18, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Sep 18, 2026 · osv@v1 | No lockfile (source not queried) As of Jul 11, 2026 · 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
- langfuse
- Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
- uptrain
- Unified platform for evaluating and improving Generative AI applications
Stars
- langfuse
- 35k
- uptrain
- 2.4k
Forks
- langfuse
- 3.8k
- uptrain
- 205
Open issues
- langfuse
- 906
- uptrain
- 65
Language
- langfuse
- TypeScript
- uptrain
- Python
Adopt for
- langfuse
- Langfuse is an open-source platform for evaluating and monitoring large language model applications, offering self-hosting options for local, VM, and Kubernetes environments.
- uptrain
- UpTrain, an open-source platform, evaluates and enhances Generative AI applications with preconfigured checks, root cause analysis, and actionable insights.
Persona
- langfuse
- -
- uptrain
- -
Runtime
- langfuse
- -
- uptrain
- -
License
- langfuse
- Other
- uptrain
- The tool is available under the Apache-2.0 license, suitable for both free and commercial use with appropriate attribution.
Last pushed
- langfuse
- Sep 18, 2026
- uptrain
- Aug 18, 2024
Categories
- langfuse
- Evaluation & Observability
- uptrain
- Evaluation & Observability
Trust and health
Maintenance
- langfuse
- Very active (96%)
- uptrain
- Dormant (18%)
Days since push
- langfuse
- 0d
- uptrain
- 762d
Open issues (now)
- langfuse
- 906
- uptrain
- 65
Stars delta
- langfuse
- +2.5k (30d)
- uptrain
- +6 (30d)
Open issues delta
- langfuse
- +197 (30d)
- uptrain
- +7 (30d)
Full report
- langfuse
- Trust report
- uptrain
- Trust report
Typed relationship
Choose langfuse if…
- langfuse is primarily TypeScript; uptrain is Python.
- License: langfuse is Other, uptrain is Apache-2.0.
- Both UpTrain and Langfuse focus on evaluating and improving LLM applications but offer different functionalities and approaches.
- Tags unique to langfuse: analytics, llm-observability, monitoring, open-source.
- When you need a self-hosted solution for evaluating and monitoring large language model applications, as Langfuse supports local, VM, and Kubernetes environments.
When NOT to use langfuse
- If you are looking for a fully managed service without the need for self-hosting, as Langfuse requires setting up and maintaining the infrastructure yourself.
- When you need enterprise features that are not covered by the open-source version, as the `ee` folders are not open-source and may require additional licensing or services.
Choose uptrain if…
- uptrain is primarily Python; langfuse is TypeScript.
- License: uptrain is Apache-2.0, langfuse is Other.
- UpTrain can be installed on-premises using pip or accessed through a managed version.
- Both UpTrain and Langfuse focus on evaluating and improving LLM applications but offer different functionalities and approaches.
- Tags unique to uptrain: autoevaluation, experimentation, hallucination-detection, jailbreak-detection.
- - When you need to evaluate Generative AI applications across various use-cases including language models, code generation, and embeddings.
When NOT to use uptrain
- - When your application does not require extensive monitoring or do not need insights into improving Generative AI performance through root cause analysis.
- - If you prioritize a highly hands-off user experience without the capability to customize evaluation checks, consider using UpTrain's managed version instead of self-managing it.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (langfuse/langfuse) · observed Sep 20, 2026
- GitHub forks (langfuse/langfuse) · observed Sep 20, 2026
- Last push (langfuse/langfuse) · observed Sep 18, 2026
- License file (Other) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 18, 2026
- Trust scan (lockfile / OSV) · observed Sep 18, 2026
- GitHub stars (uptrain-ai/uptrain) · observed Sep 20, 2026
- GitHub forks (uptrain-ai/uptrain) · observed Sep 20, 2026
- Last push (uptrain-ai/uptrain) · observed Aug 18, 2024
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: langfuse 35k · uptrain 2.4k (synced Sep 20, 2026).
Common questions
- What is the difference between langfuse and uptrain?
- langfuse: Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.. uptrain: Unified platform for evaluating and improving Generative AI applications. See the comparison table for live GitHub stats and shared categories.
- When should I choose langfuse over uptrain?
- Choose langfuse over uptrain when langfuse is primarily TypeScript; uptrain is Python; License: langfuse is Other, uptrain is Apache-2.0; Both UpTrain and Langfuse focus on evaluating and improving LLM applications but offer different functionalities and approaches; Tags unique to langfuse: analytics, llm-observability, monitoring, open-source; When you need a self-hosted solution for evaluating and monitoring large language model applications, as Langfuse supports local, VM, and Kubernetes environments.
- When should I choose uptrain over langfuse?
- Choose uptrain over langfuse when uptrain is primarily Python; langfuse is TypeScript; License: uptrain is Apache-2.0, langfuse is Other; UpTrain can be installed on-premises using pip or accessed through a managed version; Both UpTrain and Langfuse focus on evaluating and improving LLM applications but offer different functionalities and approaches; Tags unique to uptrain: autoevaluation, experimentation, hallucination-detection, jailbreak-detection; - When you need to evaluate Generative AI applications across various use-cases including language models, code generation, and embeddings.
- When should I avoid langfuse?
- If you are looking for a fully managed service without the need for self-hosting, as Langfuse requires setting up and maintaining the infrastructure yourself. When you need enterprise features that are not covered by the open-source version, as the
eefolders are not open-source and may require additional licensing or services. - When should I avoid uptrain?
- - When your application does not require extensive monitoring or do not need insights into improving Generative AI performance through root cause analysis. - If you prioritize a highly hands-off user experience without the capability to customize evaluation checks, consider using UpTrain's managed version instead of self-managing it.
- Is langfuse or uptrain more popular on GitHub?
- langfuse has more GitHub stars (34,763 vs 2,365). Stars measure visibility, not whether either tool fits your constraints.
- Are langfuse and uptrain open source?
- Yes - both are open-source projects on GitHub (langfuse: Other, uptrain: Apache-2.0).
- Where can I find alternatives to langfuse or uptrain?
- GraphCanon lists graph-backed alternatives at langfuse alternatives and uptrain alternatives (langfuse markdown twin, uptrain 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, langfuse or uptrain?
- langfuse: Very active. uptrain: Dormant. 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 langfuse and uptrain?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: langfuse trust report; uptrain trust report.