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Harbor vs Langfuse
Short answer: Pick Harbor if you want one-command local LLM stack orchestration; pick Langfuse if you want LLM observability & analytics. Harbor is free and open source; Langfuse has a free plan, paid from $29/month.
HarborEffortlessly run LLM backends, APIs, frontends, and services with one command..png?width=96)
LangfuseOpen Source Observability & Analytics for LLM Apps 🕵️♂️Which to pick
Pick Harbor if you want…
- One-command local LLM stack orchestration
- A free, open-source tool
- Integrations with Ollama, llama.cpp or vLLM (on Harbor's list, not Langfuse's)
Pick Langfuse if you want…
- LLM observability & analytics
- Integrations with Python, TypeScript or Go (on Langfuse's list, not Harbor's)
Side by side
- What it is
- Harbor:Harbor is a CLI tool that orchestrates containerized LLM backends, frontends and services with a single command.
- Langfuse:Langfuse is an open-source platform for tracing, evaluating and monitoring LLM applications and AI agents.
- Best for
- Harbor:One-command local LLM stack orchestration
- Langfuse:LLM observability & analytics
- Who it’s for
- Harbor:Developers who want to run local LLM stacks quickly without manual Docker setup
- Langfuse:Developers building, debugging and scaling LLM-based apps and agents.
- Pricing
- Harbor:Open source
- Langfuse:Freemium
- Starting price
- Harbor:Free
- Langfuse:$29/month (Core)
- Free plan or trial
- Harbor:Free to use
- Langfuse:Free plan (Hobby)
- Plans
- Harbor:—
- Langfuse:Hobby Free · Core $29 per month · Pro $199 per month · Enterprise $2499 per month
- Open source
- Harbor:Yes, 3,231 GitHub stars
- Langfuse:Yes, 35,097 GitHub stars
- Works with
- Harbor:Ollama, llama.cpp, vLLM, Open WebUI, SearXNG, Speaches, ComfyUI
- Langfuse:Python, TypeScript, Go, Java, .NET, Ruby, PHP, Swift
Harbor features
- Single-command stack launch. Run multiple LLM backends, frontends and services together with `harbor up`.
- Containerized LLM toolkit. Provides Docker-based backends like Ollama, llama.cpp, vLLM.
- Convenience utilities. CLI helpers for model management, config, debugging, URLs and tunnels.
- Optimizing proxy & benchmarking. Built-in proxy for performance tuning and tools to benchmark models.
- Service CLIs via Docker. Run service CLIs without installing them locally, using Docker containers.
- Shared caches & profiles. Caches models across services and supports config profiles and history.
Langfuse features
- Hierarchical Traces. Capture every LLM call, tool invocation and retrieval step with filters for user, session, cost and latency.
- Prompt Management. Version, fetch, release and cache prompts separately from code with one-click deployments.
- Evaluation Engine. Run LLM-as-judge, heuristic or human-review evaluations on production data or experiments.
- Experiments & Datasets. Define test cases, run experiments and create golden datasets for continuous improvement.
- Dashboards & Alerts. Monitor cost, latency and quality via custom dashboards and automated alerts.
- Human Annotation. Collaborative human-in-the-loop workflows with annotation queues.
- Extensive Integrations. Supports Python, TypeScript, Go, Java, .NET, Ruby, PHP, Swift and 100+ agent frameworks and model providers.
- Self-hosted & Cloud Options. Available as hosted SaaS or self-hosted under MIT license.
Harbor vs Langfuse FAQ
What is the difference between Harbor and Langfuse?+
Langfuse offers observability for LLM apps, not the orchestration of services.
Should I use Harbor or Langfuse?+
Pick Harbor if you want one-command local LLM stack orchestration, a free, open-source tool or integrations with Ollama, llama.cpp or vLLM (on Harbor's list, not Langfuse's). Pick Langfuse if you want LLM observability & analytics or integrations with Python, TypeScript or Go (on Langfuse's list, not Harbor's).
Is Harbor or Langfuse free?+
Harbor is free and open source. Langfuse has a free plan (Hobby); paid plans start at $29/month (Core).
Which is cheaper, Harbor or Langfuse?+
Harbor is free, so it costs less. Langfuse starts at $29/month (Core).
Is Harbor or Langfuse open source?+
Yes, both are open source: Harbor (av/harbor on GitHub, Apache-2.0 license) and Langfuse (langfuse/langfuse on GitHub).
Do Harbor and Langfuse integrate with the same tools?+
Their integration lists don't overlap: Harbor lists Ollama, llama.cpp, vLLM, Open WebUI and 3 more; Langfuse lists Python, TypeScript, Go, Java and 10 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.