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

TestRail
Qase
PractiTest
TestLink
Test Collab
Zephyr
Tuskr App
Modern, easy-to-use test management software. Manage manual and automated test cases, assemble and execute test runs, discuss results, track issues in Jira, GitHub, Gitlab, and more. Add milestones for progress tracking, MCP server for AI support.

Which is more popular?
Based on our record, Langfuse seems to be more popular. 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 | testiny.io |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United States | Startup from Austria · 1 - 9 employees |
| 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....
Testiny is a modern test management tool that combines efficiency with a user-friendly experience. It provides flexible editing capabilities, test case templates, and structured test planning to help teams organize and execute their testing processes effectively. Built on a modern architecture,...
What each product offers, as listed by its team.


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


As answered by people managing Langfuse and Testiny.
Testiny's answer:
Testiny simplifies test management by combining manual and automated testing in an intuitive, collaborative platform. Its standout feature is the simple user experience, and the ability to integrate seamlessly with modern workflows, reducing setup complexity while maintaining flexibility for agile teams.
Testiny's answer:
Testiny is ideal for teams wanting speed, adaptability, and a unified approach to testing. Unlike most competitors that focus only on manual or automated testing, Testiny supports both, with real-time collaboration and easy integration into DevOps pipelines.
Testiny's answer:
Testiny targets software teams, QA engineers, and agile organizations needing a scalable, efficient testing tool. It’s especially suited for teams using CI/CD and DevOps, offering smooth integrations with tools like Jira and Selenium.
Testiny's answer:
Testiny was created by a group of developers frustrated with clunky, outdated test tools. It aims to provide a modern, unified platform that supports both manual and automated testing, with a focus on collaboration and agility.
Testiny's answer:
Testiny’s biggest customers span a range of industries and business categories, including:
These industries and categories reflect Testiny’s appeal to organizations that require scalable, secure, and collaborative test management solutions.
Testiny's answer:
Testiny uses Node.js for backend, React for frontend, and PostgreSQL for data. Its integrations rely on REST APIs and webhooks, ensuring compatibility with popular DevOps tools (CI pipeline integration, CLI tool).
Share your experience with using Langfuse and Testiny. 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...
Testiny is a sleek and simple alternative to Tuskr, especially suited for startups and smaller teams looking for value without extra complexity.
Really cool app. Fast and lean. Not many features, but those are the ones I need.
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 / 16 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 / 19 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 / 24 days ago
Tracking Testiny since Feb 2023.
When comparing Langfuse and Testiny, you can also consider the following products.

Open-source LLM Observability for Developers
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TestRail provides comprehensive test case management for software testing. Organize your testing, boost productivity, get real-time insights, and track progress toward milestones. Integrates with leading issue tracking and test automation tools.
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Build and deploy LLM applications with confidence
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Test case management software for QA and development teams that helps you make your product better.
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Framework for building applications with LLMs through composability
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PractiTest is a cloud based Innovative test management tool.
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