Honey reduces token usage by giving AI coding agents a cross-tool skill for writing less code and prose.
Open source
24 alternativesLangfuse
Langfuse provides open-source tracing and evaluation for language model applications and agents.
About Langfuse
Langfuse is an open-source LLM engineering platform that helps teams develop, monitor, evaluate, and debug language model applications and agents. It provides tracing for LLM calls, agent actions, retrieval, and embedding logic within applications, along with tools to inspect and debug complex logs and user sessions. Core capabilities include LLM application observability, centralized prompt management with version control and caching, flexible evaluation tools (including LLM-as-a-judge, code evaluators, and custom pipelines), dataset creation for testing and benchmarking, a built-in LLM playground for prompt and model iteration, and a public API with typed SDKs for Python and JavaScript/TypeScript. Langfuse can be deployed via a managed cloud service with a free tier, or self-hosted using Docker Compose, a virtual machine, or Kubernetes with Helm.
Key features
- LLM application observability with trace ingestion and session debugging
- Central prompt management with version control and caching
- Support for LLM-as-a-judge, code evaluators, and custom evaluation pipelines
- Dataset creation for LLM application testing and benchmarking
- Built-in LLM playground for prompt and model configuration testing
- Public API with typed SDKs for Python and JavaScript/TypeScript
Best for: Teams developing, monitoring, evaluating, and debugging LLM applications and agents.
Good for
- Open-source core with self-hosting options for full infrastructure control
- Managed cloud deployment available with a generous free tier, no credit card required
- Integrates with common LLM frameworks including LangChain and LlamaIndex
Langfuse at a glance
- Website
- github.com/langfuse/langfuse
- Category
- AI & Machine Learning › AI Coding Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Langfuse FAQ
Can Langfuse be self-hosted?
Yes, Langfuse can be self-hosted locally via Docker Compose, on a single virtual machine, or on a Kubernetes cluster using Helm.
Does Langfuse offer a managed cloud deployment option?
Yes, Langfuse Cloud is a managed deployment option with a generous free tier that does not require a credit card.
Which LLM frameworks does Langfuse integrate with?
Langfuse integrates with frameworks including LangChain and LlamaIndex.
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