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

Elliptic
Free USDT & USDC blacklist tracker

Which is more popular?
Based on our record, Langfuse seems to be more popular. It has been mentioned 35 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | langfuse.com | eaglevirtual.com |
| Pricing | ||
| Company | Startup from the United States | Startup from the United States · 1 - 9 employees · 2026 |
| 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....
The most complete record of stablecoin blacklists, freezes and seizes. We check 40 blockchains.
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
Langfuse in two minutes
Free USDT & USDC Blacklist Tracker
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Langfuse and Eagle Virtual. 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 Eagle Virtual yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Langfuse is an open-source LLM engineering platform specialized for AI applications. It provides:. - Source: dev.to / 1 day ago
Langfuse is an open-source observability and analytics platform for LLM applications. Its open-source nature is a significant draw for companies that prefer to self-host or want to avoid vendor lock-in. - Source: dev.to / 7 days ago
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 / 16 days ago
Tracking Eagle Virtual since Sep 2026.
When comparing Langfuse and Eagle Virtual, you can also consider the following products.

Open-source LLM Observability for Developers
Compare Helicone AI to Langfuse or Eagle Virtual:

Making it easier for enterprises to use digital currencies
Compare Elliptic to Langfuse or Eagle Virtual:

Build and deploy LLM applications with confidence
Compare LangSmith to Langfuse or Eagle Virtual:

Framework for building applications with LLMs through composability
Compare LangChain to Langfuse or Eagle Virtual:

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