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

middleBrick
Launchprep.dev
RoboShadow
SecureToolsHub
NinjaOne
VirusTotal
Vibe App Scanner
Comprehensive security compliance for startups building software

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 | securestack.co |
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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 SecureStack yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Langfuse yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Langfuse in two minutes
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Langfuse and SecureStack. 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 / 4 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 / 26 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 / 29 days ago
Tracking SecureStack since Jun 2023.
When comparing Langfuse and SecureStack, you can also consider the following products.

Open-source LLM Observability for Developers
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API security risk scoring platform, Instant API & AI security scan, no setup required.
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Build and deploy LLM applications with confidence
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290 checks before you launch — leaked keys, open databases, runaway cloud bills, GDPR. Runs only the ones your app can fail, and names every one it skipped. 117 free.
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Framework for building applications with LLMs through composability
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Keep track of your External Vulnerabilities and report on your Zero Trust compliance across your Devices with the RoboShadow Cyber platform.
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