Langfuse
llm-observability
Open-source LLM observability and evaluation
Pricing
Free plan
Rating
—
Votes
0
Head-to-head comparison
Langfuse vs OpenObserve
Compare Langfuse and OpenObserve side by side across pricing, features, ratings, pros, cons, best-fit use cases, and alternatives.
OpenObserve
llm-observability
OpenTelemetry-native observability for LLM calls, tools, and agent handoffs
Pricing
Free plan
Rating
—
Votes
0
Feature comparison
Feature
Langfuse
OpenObserve
Category
llm-observability
llm-observability
Pricing
Free plan
Free plan
Free plan
API access
Mobile app
Browser extension
Team collaboration
Custom training
Self-hosted option
Offline mode
Multi-language support
Langfuse pros and cons
Open source with nearly all features MIT-licensed
Self-host the full product free, no seat or usage caps
Framework-agnostic (works with or without LangChain)
Strong tracing, prompt management, and evaluation
Self-hosting still requires running infrastructure
Enterprise compliance features are commercial
Cloud Pro tier jumps significantly in price
OpenObserve pros and cons
Agent traces are standard OpenTelemetry spans, not a silo
Per-span token cost from your own model pricing
Unlimited users with no per-seat charge
AGPL-3.0 core with a self-hosted option
LLM observability is labelled preview
Online evaluations are an enterprise feature
Ingestion-based pricing needs volume forecasting
Which one should you choose?
Best overall signal
Langfuse
Selected using Toolglade popularity signals such as views and votes.
Best value signal
Langfuse
Selected using free-plan availability and engagement signals.
Best for
Langfuse
- LLM tracing
- Prompt management
- Evaluations
- Self-hosted observability
- Teams wanting open-source LLM observability
OpenObserve
- agent tracing
- llm cost attribution
- unified observability
- Teams running agents in production
- Platform teams already using OpenTelemetry
FAQ
Is Langfuse better than OpenObserve?
It depends on your use case. Compare category fit, pricing, feature availability, and ratings before choosing.
Which tool has a free plan?
Langfuse and OpenObserve offer a free plan based on current Toolglade data.
Where can I find alternatives?
View Langfuse alternatives or view OpenObserve alternatives.