Comparison
langfuse vs RagaAI-Catalyst
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 RagaAI-Catalyst if ragaAI-Catalyst emerges as a specialized Python framework designed for monitoring and evaluating AI agents, with unique features around self-hosted dashboards, advanced analytics, and support for tracing and debugging LL.
Markdown twin · langfuse alternatives · RagaAI-Catalyst alternatives
GraphCanon updated Sep 20, 2026
14views this month
Trust & integrity
| Signal | langfuse | RagaAI-Catalyst |
|---|---|---|
| Maintenance | Very active (0d since push) As of Sep 18, 2026 · github_public_v1 | Slowing (220d 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 | Published findings 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.
- RagaAI-Catalyst
- Python SDK for AI agent observability and evaluation
Stars
- langfuse
- 35k
- RagaAI-Catalyst
- 16k
Forks
- langfuse
- 3.8k
- RagaAI-Catalyst
- 3.6k
Open issues
- langfuse
- 906
- RagaAI-Catalyst
- 34
Language
- langfuse
- TypeScript
- RagaAI-Catalyst
- 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.
- RagaAI-Catalyst
- RagaAI-Catalyst emerges as a specialized Python framework designed for monitoring and evaluating AI agents, with unique features around self-hosted dashboards, advanced analytics, and support for tracing and debugging LL
Persona
- langfuse
- -
- RagaAI-Catalyst
- -
Runtime
- langfuse
- -
- RagaAI-Catalyst
- -
License
- langfuse
- Other
- RagaAI-Catalyst
- Apache-2.0
Last pushed
- langfuse
- Sep 18, 2026
- RagaAI-Catalyst
- Feb 11, 2026
Categories
- langfuse
- Evaluation & Observability
- RagaAI-Catalyst
- AI Agents, Evaluation & Observability
Trust and health
Maintenance
- langfuse
- Very active (96%)
- RagaAI-Catalyst
- Slowing (36%)
Days since push
- langfuse
- 0d
- RagaAI-Catalyst
- 220d
Open issues (now)
- langfuse
- 906
- RagaAI-Catalyst
- 34
Stars delta
- langfuse
- +2.5k (30d)
- RagaAI-Catalyst
- +14 (30d)
Open issues delta
- langfuse
- +197 (30d)
- RagaAI-Catalyst
- 0 (30d)
OSV dependency advisories
- langfuse
- No lockfile (source not queried)
- RagaAI-Catalyst
- Published findings
Full report
- langfuse
- Trust report
- RagaAI-Catalyst
- Trust report
Typed relationship
Choose langfuse if…
- langfuse is primarily TypeScript; RagaAI-Catalyst is Python.
- License: langfuse is Other, RagaAI-Catalyst is Apache-2.0.
- RagaAI-Catalyst and langfuse both offer observability, evaluation, and prompt management for LLMs.
- Tags unique to langfuse: analytics, evaluation, llm-observability, monitoring.
- langfuse ships Docker support for self-hosted deployment.
- 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 RagaAI-Catalyst if…
- RagaAI-Catalyst is primarily Python; langfuse is TypeScript.
- License: RagaAI-Catalyst is Apache-2.0, langfuse is Other.
- RagaAI-Catalyst and langfuse both offer observability, evaluation, and prompt management for LLMs.
- Tags unique to RagaAI-Catalyst: agentic-ai, agentic-ai-development, agentneo, agents.
- Also covers AI Agents.
- When you need comprehensive tools for the observability of complex multi-agentic systems.
When NOT to use RagaAI-Catalyst
- When you prefer a language-agnostic solution or require support outside of the Python ecosystem.
- If your primary need is focused solely on basic monitoring without advanced debugging and evaluation features.
- For projects that do not utilize multi-agentic systems or do not benefit from timeline and execution graph visualizations.
- In scenarios where a fully managed service with no self-hosting requirements is preferred.
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 (raga-ai-hub/RagaAI-Catalyst) · observed Sep 20, 2026
- GitHub forks (raga-ai-hub/RagaAI-Catalyst) · observed Sep 20, 2026
- Last push (raga-ai-hub/RagaAI-Catalyst) · observed Feb 11, 2026
- 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 · RagaAI-Catalyst 16k (synced Sep 20, 2026).
Common questions
- What is the difference between langfuse and RagaAI-Catalyst?
- langfuse: Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.. RagaAI-Catalyst: Python SDK for AI agent observability and evaluation. See the comparison table for live GitHub stats and shared categories.
- When should I choose langfuse over RagaAI-Catalyst?
- Choose langfuse over RagaAI-Catalyst when langfuse is primarily TypeScript; RagaAI-Catalyst is Python; License: langfuse is Other, RagaAI-Catalyst is Apache-2.0; RagaAI-Catalyst and langfuse both offer observability, evaluation, and prompt management for LLMs; Tags unique to langfuse: analytics, evaluation, llm-observability, monitoring; langfuse ships Docker support for self-hosted deployment; 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 RagaAI-Catalyst over langfuse?
- Choose RagaAI-Catalyst over langfuse when RagaAI-Catalyst is primarily Python; langfuse is TypeScript; License: RagaAI-Catalyst is Apache-2.0, langfuse is Other; RagaAI-Catalyst and langfuse both offer observability, evaluation, and prompt management for LLMs; Tags unique to RagaAI-Catalyst: agentic-ai, agentic-ai-development, agentneo, agents; Also covers AI Agents; When you need comprehensive tools for the observability of complex multi-agentic systems.
- 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 RagaAI-Catalyst?
- When you prefer a language-agnostic solution or require support outside of the Python ecosystem. If your primary need is focused solely on basic monitoring without advanced debugging and evaluation features. For projects that do not utilize multi-agentic systems or do not benefit from timeline and execution graph visualizations. In scenarios where a fully managed service with no self-hosting requirements is preferred.
- Is langfuse or RagaAI-Catalyst more popular on GitHub?
- langfuse has more GitHub stars (34,763 vs 16,162). Stars measure visibility, not whether either tool fits your constraints.
- Are langfuse and RagaAI-Catalyst open source?
- Yes - both are open-source projects on GitHub (langfuse: Other, RagaAI-Catalyst: Apache-2.0).
- Where can I find alternatives to langfuse or RagaAI-Catalyst?
- GraphCanon lists graph-backed alternatives at langfuse alternatives and RagaAI-Catalyst alternatives (langfuse markdown twin, RagaAI-Catalyst 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 RagaAI-Catalyst?
- langfuse: Very active. RagaAI-Catalyst: Slowing. 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 RagaAI-Catalyst?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: langfuse trust report; RagaAI-Catalyst trust report.