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Langfuse vs Storyden
Short answer: Pick Langfuse if you want LLM observability & analytics; pick Storyden if you want self-hosted community forums with structured knowledge. Langfuse has a free plan, paid from $29/month; Storyden is free and open source.
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LangfuseOpen Source Observability & Analytics for LLM Apps 🕵️♂️
StorydenStoryden is a modern forum, wiki and community hub. Like the internet forums of the past, but with a fresh coat of paint and modern security, deployment and intelligence features.Which to pick
Pick Langfuse if you want…
- LLM observability & analytics
- Integrations with Python, TypeScript or Go (on Langfuse's list, not Storyden's)
Pick Storyden if you want…
- Self-hosted community forums with structured knowledge
- A free, open-source tool
- Integrations with SQLite, PostgreSQL or Filesystem (on Storyden's list, not Langfuse's)
Side by side
- What it is
- Langfuse:Langfuse is an open-source platform for tracing, evaluating and monitoring LLM applications and AI agents.
- Storyden:Storyden is an open-source forum, wiki and community hub you can self-host with modern security and data ownership.
- Best for
- Langfuse:LLM observability & analytics
- Storyden:Self-hosted community forums with structured knowledge
- Who it’s for
- Langfuse:Developers building, debugging and scaling LLM-based apps and agents.
- Storyden:Teams and groups needing a self-hosted discussion, knowledge-base and social-bookmarking platform.
- Pricing
- Langfuse:Freemium
- Storyden:Open source
- Starting price
- Langfuse:$29/month (Core)
- Storyden:Free
- Free plan or trial
- Langfuse:Free plan (Hobby)
- Storyden:Free to use
- Plans
- Langfuse:Hobby Free · Core $29 per month · Pro $199 per month · Enterprise $2499 per month
- Storyden:—
- Open source
- Langfuse:Yes, 35,097 GitHub stars
- Storyden:Yes, 340 GitHub stars
- Works with
- Langfuse:Python, TypeScript, Go, Java, .NET, Ruby, PHP, Swift
- Storyden:SQLite, PostgreSQL, Filesystem, S3, OpenAPI, Docker
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.
Storyden features
- Self-hosted deployment. Run Storyden via Docker on any OS with SQLite, PostgreSQL, filesystem or S3 storage.
- OpenAPI spec. Full API surface documented with OpenAPI for custom integrations.
- Containerised & headless. Runs in a container and can be used without a UI via its API.
- Intelligent library. Organises pages and content automatically, turning community posts into a searchable library.
- Modern security. State-of-the-art security features built into the platform.
- Cross-platform support. Runs on Windows, macOS and Linux.
Langfuse vs Storyden FAQ
What is the difference between Langfuse and Storyden?+
Langfuse provides LLM observability, unrelated to community forums.
Should I use Langfuse or Storyden?+
Pick Langfuse if you want LLM observability & analytics or integrations with Python, TypeScript or Go (on Langfuse's list, not Storyden's). Pick Storyden if you want self-hosted community forums with structured knowledge, a free, open-source tool or integrations with SQLite, PostgreSQL or Filesystem (on Storyden's list, not Langfuse's).
Is Langfuse or Storyden free?+
Langfuse has a free plan (Hobby); paid plans start at $29/month (Core). Storyden is free and open source.
Which is cheaper, Langfuse or Storyden?+
Storyden is free, so it costs less. Langfuse starts at $29/month (Core).
Is Langfuse or Storyden open source?+
Yes, both are open source: Langfuse (langfuse/langfuse on GitHub) and Storyden (Southclaws/storyden on GitHub, MPL-2.0 license).
Do Langfuse and Storyden integrate with the same tools?+
Their integration lists don't overlap: Langfuse lists Python, TypeScript, Go, Java and 10 more; Storyden lists SQLite, PostgreSQL, Filesystem, S3 and 2 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.