Langfuse vs LlamaIndex
Side-by-side comparison with live GitHub signals. Last updated April 1, 2026.
| Metric | Langfuse | LlamaIndex |
|---|---|---|
| GitHub Stars | 24.1K | 48.2K |
| Contributors | 141 | 474 |
| Last Commit | Apr 1, 2026 | Mar 31, 2026 |
| Open Issues | 596 | 262 |
| License | open-source | open-source |
| Pricing | freemium | open-source |
| Free Tier | Yes | Yes |
| Category | dev-tools | dev-tools |
| Trending | No | No |
Shared Tags
open-source
Only in Langfuse
observabilitytracingevaluationprompt-managementanalytics
Only in LlamaIndex
ragdata-frameworkagentsworkflowspython
About Langfuse
Langfuse is an open-source LLM engineering platform providing observability, analytics, and prompt management. Features distributed tracing for complex agent chains, evaluation scoring, prompt versioning and A/B testing, dataset management, and cost tracking. Integrates with LangChain, LlamaIndex, OpenAI SDK, and any LLM framework via OpenTelemetry.
View full listingAbout LlamaIndex
LlamaIndex is the leading data framework for building LLM-powered applications. Provides data connectors for 160+ sources, advanced RAG pipelines, document agents, and a workflow engine for complex agentic applications. The standard for connecting LLMs to your data.
View full listing