AtCoder vs Yandex Contest

AtCoder

5.9 #11 in Coding Challenge Platforms

About AtCoder

Yandex Contest

7.3 #3 in Coding Challenge Platforms

About Yandex Contest
AtCoderYandex Contest
Free planYesYes
Free trialNoNo
Paid fromFreeFree
Open sourceNoNo
PlatformsWebapi, Web
Free planYesYes
Primary usecontestscontests
Languages supportedC, C++, C#, Java, Python, Rust, Ruby, Go, Kotlin, Swift, JavaScript, TypeScript, PHP, Perl, Lua, Scala, Haskell, OCaml, Nim, Pascal, R, SQL, Prolog, PowerShell, Bash, Fortran, COBOL, Julia, Dart, Elixir, Erlang, F#, D, Crystal, Clojure, Common Lisp, Scheme, Visual Basic, Lean, LLVM IRBash, C, C#, C++, Dart, Delphi, D, Free Basic, Free Pascal, Go, Haskell, Java, JavaScript, Kotlin, Kumir, Lua, OCaml, PascalABC.NET, Perl, PHP, Python, R, Ruby, Rust, Scala, Swift, TypeScript
Problem library size5,000 problems80,000 problems
Solution explanationsYes—
Custom challenges—Yes
Company assessments—Yes

Both are listed in Best Coding Challenge Platforms. On Inferse, Yandex Contest scores higher on our published basis.