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Description
Langfuse is a free and open-source LLM engineering platform that helps teams to debug, analyze, and iterate their LLM Applications.
Observability: Incorporate Langfuse into your app to start ingesting traces.
Langfuse UI : inspect and debug complex logs, user sessions and user sessions
Langfuse Prompts: Manage versions, deploy prompts and manage prompts within Langfuse
Analytics: Track metrics such as cost, latency and quality (LLM) to gain insights through dashboards & data exports
Evals: Calculate and collect scores for your LLM completions
Experiments: Track app behavior and test it before deploying new versions
Why Langfuse?
- Open source
- Models and frameworks are agnostic
- Built for production
- Incrementally adaptable - Start with a single LLM or integration call, then expand to the full tracing for complex chains/agents
- Use GET to create downstream use cases and export the data
Description
evalship reviews the LLM evals in a GitHub repository, then reports on every pull request what those evals say. At setup, a coding agent follows evalship's prompt: it reads every scorer, judge and prompt, lists the flaws that would let a bad change pass (for example a privacy score too small to ever fail a reply), gives a fix for each, wires the evals into GitHub Actions and opens a setup pull request. After that, each pull request gets a comment with the evals the change really broke and the likely cause. Flaky evals are set aside by checking them against the default branch's history, and changed prompts or LLM calls that no eval exercises are flagged. An evalship status check can gate the merge. Evals keep running in the team's own GitHub Actions with its own keys, and evalship reads the results file from pytest, Vitest, Jest, promptfoo, Langfuse, Braintrust or LangSmith, next to whichever eval platform the team already uses. A dashboard per repository shows what needs attention, and a weekly report sums up the regressions caught and what the evals cost. Public repositories are free; paid plans start at $19 a month.
API Access
Has API
Yes
API Access
Has API
No
Integrations
Braintrust
No
Claude for Legal
Yes
DocsGPT
Yes
GitHub Actions
No
Grok Bot
Yes
Hugging Face
Yes
Lamatic.ai
Yes
LangSmith
No
Langfuse
No
LiteLLM
Yes
Integrations
Braintrust
Yes
Claude for Legal
No
DocsGPT
No
GitHub Actions
Yes
Grok Bot
No
Hugging Face
No
Lamatic.ai
No
LangSmith
Yes
Langfuse
Yes
LiteLLM
No
Pricing Details
$29/month
Generous free tier and Pro Plans starting at USD 29/month.
Langfuse is open source so you will always be able to host the software yourself at no cost.
Langfuse is open source so you will always be able to host the software yourself at no cost.
Free Trial
Yes
Free Version
Yes
Pricing Details
$19/month
Free for all public repositories, plus 1 private repository with 1 user. Team is $19/month (3 users, 2 private repositories), Pro $49/month (10 users, 5 private repositories) and Business $199/month (50 users, 25 private repositories). Yearly billing gets 2 months free. Paid plans come with a 7-day free trial.
Free Trial
Yes
Free Version
Yes
Deployment
Web-Based
Yes
On-Premises
Yes
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Customer Support
Business Hours
No
Live Rep (24/7)
Yes
Online Support
Yes
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Vendor Details
Company Name
Langfuse
Founded
2023
Country
Germany
Website
langfuse.com
Vendor Details
Company Name
Garm Tech B.V.
Founded
2026
Country
Netherlands
Website
evalship.com