
Helicone AI
LangSmith
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.

DALL-E
OpenAI
PixelAPI.dev
Midjourney
Leonardo.Ai
Replicate.com
KREA
Activating humanity's potential through generative AI. Open models in every modality, for everyone, everywhere.

Which is more popular?
Based on our record, Langfuse should be more popular than Stability. It has been mentioned 34 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | langfuse.com | stability.ai |
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| 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 Stability yet.
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
Walkthroughs and reviews on video.
Langfuse in two minutes
Stability studies / Stability testing in pharmaceutical industry I Interview questions and answers
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


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 / 3 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 / 12 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 / about 1 month ago
Maybe you're unfamiliar with diffusion models?[1] They are examples where it is hopefully clearer that these things are hard to define. If you have good programming skills you should be able to make the connection back to what this has... - Source: Hacker News / over 1 year ago
Let's introduce Stable Diffusion, a family of models for image generation. It began in Germany as a collaboration between various companies and universities in 2021, focusing on the innovation called the latent diffusion model. Companies... - Source: dev.to / over 1 year ago
Recently, Stability AI introduced Stable Diffusion 3.5. - Source: dev.to / almost 2 years ago
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Pay-per-use AI image and video generation API for developers and e-commerce businesses. **What you can do:** - Generate images with SDXL, FLUX Pro, and FLUX Schnell models - Remove backgrounds (no ML expertise needed, one API call) - Replace backgro
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