
Helicone AI
LangSmith
LangChain
PromptLayer
Portkey
Braintrust.dev
Openlayer
Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.

Create your workflow
Which is more popular?
Based on our record, Langfuse seems to be more popular. It has been mentioned 33 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | langfuse.com | workflow-visualizer.vercel.app |
| Pricing | — | |
| Company | Startup from the United States | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Langfuse is an open-source LLM engineering platform designed to empower developers by providing insights into user interactions with their LLM applications. We offer tools that help developers understand usage patterns, diagnose issues, and improve application performance based on real user data....
No description of Workflow Visualizer yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Langfuse yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Langfuse in two minutes
No Workflow Visualizer videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Langfuse and Workflow Visualizer. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Ten free AI prompt tools in 2026 across four categories: prompt generators (SurePrompts, Anthropic Console, OpenAI Playground), libraries (AIPRM, PromptHero, FlowGPT, Awesome ChatGPT Prompts), open-source workflow...
We have no reviews of Workflow Visualizer yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


We have researched and experimented with several AI evaluation platforms, including Arize Phoenix, Microsoft Foundry, and Langfuse. After evaluating them against our requirements and roadmap, we shortlisted Microsoft Foundry and Langfuse... - Source: dev.to / about 3 hours ago
Langfuse is the other serious option in this category if you also want observability, evals and traces bundled with prompt management. Different scope, more setup, worth comparing honestly. - Source: dev.to / 22 days ago
Langfuse with Microsoft.Extensions.AI has an appealing story: update prompts without redeploying. A prompt fetches its config blob—model, tokens, temperature—which the code passes straight to the LLM. - Source: dev.to / 25 days ago
Tracking Workflow Visualizer since Aug 2023.
When comparing Langfuse and Workflow Visualizer, you can also consider the following products.

Open-source LLM Observability for Developers
Compare Helicone AI to Langfuse or Workflow Visualizer:

Build and deploy LLM applications with confidence
Compare LangSmith to Langfuse or Workflow Visualizer:

Framework for building applications with LLMs through composability
Compare LangChain to Langfuse or Workflow Visualizer:
The first platform built for prompt engineers
Compare PromptLayer to Langfuse or Workflow Visualizer:

Build production-grade & reliable AI apps with Portkey
Compare Portkey to Langfuse or Workflow Visualizer:
Rapidly ship AI without guesswork
Compare Braintrust.dev to Langfuse or Workflow Visualizer: