Languages

45 languages, one API

Each language runs at the version below, in a fresh gVisor sandbox with no network. Send its id as compiler. The median run is the time from request to response for a small program that reads input, measured on production on 18 October 2026 (how we measured).

45 of 45

Language	Version	API id	Median run	Online compiler
Python	3.14	`python-3.14`	0.56 s	Try it
C	GCC 15	`gcc-15`	0.67 s	Try it
C++	G++ 15	`g++-15`	1.31 s	Try it
Java	OpenJDK 25	`openjdk-25`	2.25 s	Try it
C#	.NET SDK 10	`dotnet-csharp-10`	3.08 s	Try it
F#	.NET SDK 10	`dotnet-fsharp-10`	4.61 s	Try it
Go	1.26	`go-1.26`	1.26 s	Try it
Rust	1.93	`rust-1.93`	0.92 s	Try it
PHP	8.5	`php-8.5`	0.58 s	Try it
Ruby	4.0	`ruby-4.0`	0.69 s	Try it
Haskell	GHC 9.12	`haskell-9.12`	1.63 s	Try it
TypeScript	Deno	`typescript-deno`	0.58 s	Try it
JavaScript	Node.js 24	`nodejs-24`	0.60 s	Try it
SQL	SQLite 3	`sqlite-3`	0.53 s	Try it
Bash	5.2	`bash-5.2`	0.52 s	Try it
Fortran	gfortran 15	`gfortran-15`	0.69 s	Try it
Visual Basic	.NET SDK 10	`dotnet-vbnet-10`	3.24 s	Try it
Kotlin	2.4	`kotlin-2.4`	4.59 s	Try it
R	4.6	`r-4.6`	1.04 s	Try it
Swift	6.4	`swift-6.4`	1.56 s	Try it
COBOL	GnuCOBOL 3.2	`gnucobol-3.2`	1.05 s	Try it
Perl	5.44	`perl-5.44`	0.73 s	Try it
Julia	1.13	`julia-1.13`	1.11 s	Try it
Pascal	Free Pascal 3.2	`fpc-3.2`	0.98 s	Try it
Octave	11	`octave-11`	1.27 s	Try it
Assembly	NASM 3	`nasm-3`	0.68 s	Try it
Lua	5.5	`lua-5.5`	0.56 s	Try it
OCaml	5.4	`ocaml-5.4`	1.40 s	Try it
Common Lisp	SBCL 2.6	`sbcl-2.6`	0.61 s	Try it
Erlang	OTP 29	`erlang-29`	1.41 s	Try it
Elixir	1.20	`elixir-1.20`	1.69 s	Try it
Prolog	SWI-Prolog 10	`swipl-10`	0.62 s	Try it
D	LDC 1.43	`ldc-1.43`	2.13 s	Try it
FreeBASIC	1.10	`fbc-1.10`	1.04 s	Try it
Dart	3.13	`dart-3.13`	1.42 s	Try it
Clojure	1.12	`clojure-1.12`	1.64 s	Try it
Groovy	6.0	`groovy-6.0`	3.03 s	Try it
Scala	3.10	`scala-3.10`	3.68 s	Try it
Zig	0.17	`zig-0.17`	3.99 s	Try it
Nim	2.2	`nim-2.2`	2.05 s	Try it
Crystal	1.22	`crystal-1.22`	8.49 s	Try it
Ada	GNAT 15	`gnat-15`	1.22 s	Try it
PowerShell	7.6	`powershell-7.6`	1.88 s	Try it
Racket	9.3	`racket-9.3`	0.99 s	Try it
Objective-C	Clang 21	`clang-objc-21`	1.81 s	Try it

Missing a language you need? Tell us and we'll look at adding it. The compile and run command for each language is in the docs.