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

E2open
SAP SCM
Oracle SCM
Manhattan SCM
Descartes SCM
BluJay Solutions
HighJump
Manage your freight tracking in real-time with project44's supply chain visibility platform. Schedule a demo today.

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.
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| Website | langfuse.com | project44.com |
| Pricing | — | |
| Company | Startup from the United States | Startup from the United States · 250 - 499 employees · 2014 |
| 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 project44 yet.
What each product offers, as listed by its team.


Possible disadvantages
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Walkthroughs and reviews on video.
Langfuse in two minutes
Why the World's Leading Brands Rely on project44
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Langfuse and project44. 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...
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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 / 6 days 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 / 28 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 / about 1 month ago
Tracking project44 since Mar 2021.
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