
HackerRank
CodeSignal
iMocha
TestGorilla
HackerEarth
DevSkiller
mettl
Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.

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.

Which is more popular?
Based on our record, Langfuse seems to be a lot more popular than Codility. While we know about 35 links to Langfuse, we've tracked only 2 mentions of Codility.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | codility.com | langfuse.com |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


The Codility platform includes: CodeCheck - Design role-specific remote skills assessments to screen your technical candidates before moving them to the interview stage. CodeLive - Host technical remote or onsite interviews via our shared editor using a range of templates and whiteboards....
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....
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
An Introduction to Codility: The Tech Hiring Platform for Engineering Teams
Langfuse in two minutes
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Codility and Langfuse. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Codility is a platform that helps companies assess the coding skills of developers. They offer a range of online coding tests and assessments that enable employers to evaluate candidates' technical abilities.
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...
Recommendations tracked on public social media and blogs since March 2021.


- Technical skills: have they got the walk to match the talk? Programming languages on a resume mean little if candidates are unable to demonstrate their hard coding skills. You can test these skills with technical skill tests, such as... - Source: dev.to / over 2 years ago
Codility : Verify and improve coding skills. - Source: dev.to / over 5 years ago
Langfuse is an open-source LLM engineering platform specialized for AI applications. It provides:. - Source: dev.to / 8 days ago
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 / 14 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 / 23 days ago
When comparing Codility and Langfuse, you can also consider the following products.

HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Compare HackerRank to Codility or Langfuse:

Open-source LLM Observability for Developers
Compare Helicone AI to Codility or Langfuse:

CodeSignal is the leading assessment platform for technical hiring.
Compare CodeSignal to Codility or Langfuse:

Build and deploy LLM applications with confidence
Compare LangSmith to Codility or Langfuse:


Framework for building applications with LLMs through composability
Compare LangChain to Codility or Langfuse: