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Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.

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API first collaborative databases to build your own tools, the way you want. Sign up for free.

Which is more popular?
Based on our record, Langfuse should be more popular than Stackby. It has been mentioned 32 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | langfuse.com | stackby.com |
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| Company | Startup from the United States | — |
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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....
Stackby is a collaborative database platform that empowers anyone to create their own workflows and automate it via third party services. It brings together the familiarity of spreadsheets, functionality of databases and best business APIs (YouTube, MailChimp, Clearbit, etc.) on a single new...
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
Langfuse in two minutes
Welcome to Stackby
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


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 / 21 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
Langfuse is not a replacement for OpenTelemetry; it is a specialization layer built on top of it. Langfuse was engineered specifically for the unique telemetry needs of LLM applications. It acts as the semantic layer that OTel lacks. - Source: dev.to / 30 days ago
Yes Now It's Possible by using stackby you can Manage Email Campaigns and track your email campaigns by connecting MailChimp API and SendFox API directly at the columns in Stackby. Source: about 3 years ago
Stackby proves to be a powerful Airtable Alternative, offering a plethora of features and functionalities that cater to diverse needs. With its customizable templates, seamless integrations, collaboration features, advanced data... Source: about 3 years ago
StackBy — One tool that brings together flexibility of spreadsheets, power of databases and built-in integrations with your favorite business apps. Free plan includes unlimited users, 10 stacks, 2GB attachment per stack. - Source: dev.to / almost 4 years ago
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Framework for building applications with LLMs through composability
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The most intuitive platform to manage projects and teamwork
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