Software Alternatives, Accelerators & Startups

Humanloop VS Langfuse

Compare Humanloop VS Langfuse and see what are their differences

Humanloop logo Humanloop

Train state-of-the-art language AI in the browser

Langfuse logo Langfuse

Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.
  • Humanloop Landing page
    Landing page //
    2023-08-23
  • Langfuse Landing page
    Landing page //
    2023-08-20

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. By integrating seamlessly into existing workflows, Langfuse streamlines the process of monitoring, debugging, and optimizing LLM applications. Our platform's robust documentation and active community support make it easy for developers to leverage Langfuse for enhancing their LLM projects efficiently. Whether you're troubleshooting interactions or iterating on new features, Langfuse is committed to simplifying your LLM development journey.

Humanloop features and specs

  • Ease of Use
    Humanloop is designed to be user-friendly, making it easier for users with varying levels of technical expertise to create and manage machine learning models.
  • Interactivity
    The platform provides an interactive environment where users can iteratively improve their models by integrating human feedback, leading to better performance.
  • Time Savings
    By facilitating faster model iteration and immediate feedback, Humanloop helps save significant time in the machine learning development cycle.
  • Integration Capabilities
    Humanloop offers robust integration options with various tools and platforms, helping users streamline their workflows.
  • Improved Model Accuracy
    The platform allows for continuous model improvement through active learning and human-in-the-loop approaches, enhancing model accuracy over time.

Possible disadvantages of Humanloop

  • Cost
    Depending on the subscription or usage level, Humanloop may become expensive, particularly for small teams or individual developers.
  • Learning Curve
    Despite its user-friendly design, there can still be a learning curve for users new to machine learning or human-in-the-loop systems.
  • Dependence on Human Feedback
    The effectiveness of Humanloop relies heavily on the quality and consistency of human feedback, which can introduce variability and potential biases.
  • Data Privacy Concerns
    Handling and sharing data with a third-party platform may raise privacy and compliance concerns, particularly for sensitive information.
  • Limited Offline Functionality
    Humanloop's cloud-based nature means that its functionalities are limited or inaccessible without an internet connection.

Langfuse features and specs

  • User-Friendly Interface
    Langfuse offers a clean and intuitive interface that makes it easy for users to navigate and use the platform efficiently, regardless of their technical skill level.
  • Integration Capabilities
    The platform provides a variety of APIs and integration options, allowing users to seamlessly connect Langfuse with other applications and services they use.
  • Comprehensive Analysis Tools
    Langfuse offers advanced analysis tools that help users to gain insights from their language data, improving decision-making and strategy development.

Possible disadvantages of Langfuse

  • Limited Language Support
    While Langfuse offers a range of language options, it may not support as many languages as some global companies require, potentially limiting its usability for diverse linguistic needs.
  • Pricing Model
    The pricing model of Langfuse might be considered expensive for small businesses or startups with a limited budget, which can make it less accessible to those users.
  • Learning Curve for Advanced Features
    While the basic features are easy to use, some advanced functionalities might have a steep learning curve, requiring more time and effort from users to fully leverage them.

Humanloop videos

Train and deploy NLP — Humanloop

More videos:

  • Review - The Great AI Implementation with Raza Habib of Humanloop

Langfuse videos

Langfuse in two minutes

Category Popularity

0-100% (relative to Humanloop and Langfuse)
AI
49 49%
51% 51
Developer Tools
100 100%
0% 0
Help Desk
0 0%
100% 100
Utilities
100 100%
0% 0

User comments

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Social recommendations and mentions

Based on our record, Langfuse should be more popular than Humanloop. It has been mentiond 10 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Humanloop mentions (5)

  • Ask HN: Who is hiring? (December 2024)
    Humanloop | London and San Francisco | Full time in person | https://humanloop.com Humanloop is building infrastructure for AI application development. We're the LLM Evals Platform for Enterprises. Duolingo, Gusto, and Vanta use Humanloop to evaluate, monitor, and improve their AI systems. ROLES:. - Source: Hacker News / 5 months ago
  • Show HN: PromptDoggy – Prompt Management for Product and Engineering Teams
    - https://humanloop.com/) for teaching me the philosophy of implementing a copilot textarea. I wish I could have used the project directly, but integrating just one React component into Rails while keeping importmap and StimulusJS was quite challenging. Given the limited time, I decided to move on with StimulusJS. This is our first time building an open-source project to share with the world, and we’re a bit... - Source: Hacker News / 9 months ago
  • How are generative AI companies monitoring their systems in production?
    - Conversational simulation is an emerging idea building on top of model-graded eval” - AI Startup Founder Things to consider when comparing options: “Types of metrics supported (only NLP metrics, model-graded evals, or both), level of customizability; supports component eval (i.e. Single prompts) or pipeline evals (i.e. Testing the entire pipeline, all the way from retrieval to post-processing)” “+method of... - Source: Hacker News / over 1 year ago
  • Ask HN: Who is hiring? (March 2023)
    Humanloop (YC S20) | London (or remote) | https://humanloop.com We're looking for exceptional engineers that can work at varying levels of the stack (frontend, backend, infra), who are customer obsessed and thoughtful about product (we think you have to be -- our customers are "living in the future" and we're building what's needed). Our stack is primarily Typescript, Python, GPT-3. Please apply at... - Source: Hacker News / about 2 years ago
  • Compiling a list of tools for building LLM apps
    https://humanloop.com/ Find the prompts users love and fine-tune custom models for higher performance at lower cost. - Source: Hacker News / over 2 years ago

Langfuse mentions (10)

  • Top Open Source Tools for LLM Observability in 2025
    Langfuse is another open-source platform for debugging, analyzing, and iterating on language model applications. It offers tracing, evaluation, and prompt management. While Langfuse offers many capabilities, some (like the Prompt Playground and automated evaluation) are only available in the paid tier for self-hosted users. - Source: dev.to / 5 days ago
  • A Curated List of shadcn/ui-like React Component Collections
    It is reportedly used on websites like Langfuse and Million.dev. - Source: dev.to / about 2 months ago
  • 10 Ways AI Can Speed Up your Mobile App Development
    LangFuse is a monitoring and debugging platform for LLM-powered applications. It provides insights into token usage and costs. It can also analyze latency, and the performance of AI interactions. The platform allows debug prompts, and analyzes how they behave in production. - Source: dev.to / 2 months ago
  • Building effective AI agents with Trigger.dev
    You'll notice there's a lot of prompts in these examples. As you develop your prompts, you'll likely want to iterate and refine them over time. I recommend using tools like Langfuse or Langsmith for prompt management and metrics, making it easier to track performance and make improvements. - Source: dev.to / 3 months ago
  • Ask HN: Who is hiring? (February 2025)
    Langfuse (https://langfuse.com). We started with observability and have branched out into more workflows over time (evals, prompt mgmt, playground, testing...). We have a bunch of traction and are looking for our fourth to sixth hire in scaling and building feature depth. We're hiring in person (4-5 days/week) in Berlin, Germany (salary ranges for each job 70k-130k, up to 0.35% equity). We value quality in... - Source: Hacker News / 3 months ago
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What are some alternatives?

When comparing Humanloop and Langfuse, you can also consider the following products

Hugging Face - The AI community building the future. The platform where the machine learning community collaborates on models, datasets, and applications.

LangSmith - Build and deploy LLM applications with confidence

LangChain - Framework for building applications with LLMs through composability

Datumo Eval - Discover Datumo Eval, the cutting-edge LLM evaluation platform from Datumo, designed to optimize AI model accuracy, reliability, and performance through advanced evaluation methodologies.

Narrow AI - Automated Prompt Engineering and Optimization

Braintrust - Braintrust connects companies with top technical talent to complete strategic projects and drive innovation. Our AI Recruiter can 100x your recruiting power.