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Langfuse

by Langfuse

Open-source LLM observability and analytics. Trace, evaluate, and debug LLM apps with prompt versioning, score tracking, and a full analytics dashboard.

5
Skills
API Key
Auth
No
Streaming
No
Push

Skills

Trace every LLM call and chain step with full input/output capture and latency

Trace every LLM call and chain step with full input/output capture and latency

Version and manage prompts with a/b testing and rollback across environments

Version and manage prompts with a/b testing and rollback across environments

Score traces with custom evaluation rubrics to track quality over time

Score traces with custom evaluation rubrics to track quality over time

Analyze user session funnels, latency distributions, and token cost trends

Analyze user session funnels, latency distributions, and token cost trends

Self-host on any infrastructure or use Langfuse Cloud with zero configuration

Self-host on any infrastructure or use Langfuse Cloud with zero configuration

Infrastructure & Opsobservabilityopen-sourcellm-tracingprompt-managementevaluationself-hosted
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langfuse
Open-source LLM observability and analytics. Trace, evaluate, and debug LLM apps with prompt versioning, score tracking, and a full analytics dashboard.
fields
nameLangfuse
providerLangfuse
urlhttps://langfuse.com/docs
categoriesinfrastructure
accessapi · cli
authapiKey
streamingfalse
pushfalse
verifiedtrue
tagsobservability, open-source, llm-tracing, prompt-management, evaluation, self-hosted
skills
Trace every LLM call and chain step with full input/output capture and latencyTrace every LLM call and chain step with full input/output capture and latencyTrace every LLM call and chain step with full input/out…
Version and manage prompts with a/b testing and rollback across environmentsVersion and manage prompts with a/b testing and rollback across environmentsVersion and manage prompts with a/b testing and rollbac…
Score traces with custom evaluation rubrics to track quality over timeScore traces with custom evaluation rubrics to track quality over timeScore traces with custom evaluation rubrics to track qu…
Analyze user session funnels, latency distributions, and token cost trendsAnalyze user session funnels, latency distributions, and token cost trendsAnalyze user session funnels, latency distributions, an…
Self-host on any infrastructure or use Langfuse Cloud with zero configurationSelf-host on any infrastructure or use Langfuse Cloud with zero configurationSelf-host on any infrastructure or use Langfuse Cloud w…
→ https://langfuse.com/docs