Language Comparison Matrix

A quick-reference table comparing features, capabilities, and characteristics across all 12 languages.

At a Glance

Feature	JS	PHP	Python	Ruby	Go	Rust	C	C++	C#	Java	Swift	Zig
Year	1995	1995	1991	1995	2009	2015	1972	1985	2000	1995	2014	2016
Typing	Dynamic	Dynamic	Dynamic	Dynamic	Static	Static	Static	Static	Static	Static	Static	Static
Type Inference	Limited	No	Yes	Yes	Yes	Yes	No	Auto	Yes	Var	Yes	Yes
Null Safety	No	No	No	No	No	Yes	No	Optional	Yes	Optional	Yes	Yes
Compiled	JIT	No	No	No	Yes	Yes	Yes	Yes	JIT	JIT	Yes	Yes
GC	Yes	Yes	Yes	Yes	Yes	No	No	No	Yes	Yes	ARC	No

Type System

Feature	JS	PHP	Python	Ruby	Go	Rust	C	C++	C#	Java	Swift	Zig
Generics	TS	PHPStan	Yes	Duck	Yes	Yes	No	Yes	Yes	Yes	Yes	Comptime
Interfaces	TS	Yes	Protocol	Duck	Yes	Traits	No	Abstract	Yes	Yes	Protocol	No
Enums	No	Yes	Yes	No	Iota	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Union Types	TS	Yes	Yes	No	No	Enum	Union	Variant	No	Sealed	Enum	Union
Pattern Match	No	Match	Match	Case	Switch	Match	Switch	Visit	Switch	Switch	Switch	Switch

Paradigms

Paradigm	JS	PHP	Python	Ruby	Go	Rust	C	C++	C#	Java	Swift	Zig
OOP	Prototype	Class	Class	Class	Struct	Struct	No	Class	Class	Class	Class/Struct	Struct
Functional	Yes	Limited	Yes	Yes	Limited	Yes	No	Limited	Yes	Limited	Yes	Limited
Procedural	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes
Concurrent	Event	Fiber	Async	Thread	Goroutine	Async	Thread	Thread	Async	Virtual	Actor	Thread

Memory & Performance

Feature	JS	PHP	Python	Ruby	Go	Rust	C	C++	C#	Java	Swift	Zig
Memory Model	GC	GC	GC	GC	GC	Ownership	Manual	Manual/Smart	GC	GC	ARC	Manual
Speed	Medium	Slow	Slow	Slow	Fast	Very Fast	Very Fast	Very Fast	Fast	Fast	Fast	Very Fast
Binary Size	N/A	N/A	N/A	N/A	Medium	Small	Tiny	Small	Medium	Medium	Medium	Tiny
Startup	Fast	Medium	Slow	Slow	Fast	Fast	Fast	Fast	Medium	Slow	Fast	Fast

Ecosystem & Tooling

Feature	JS	PHP	Python	Ruby	Go	Rust	C	C++	C#	Java	Swift	Zig
Package Manager	npm	Composer	pip	Bundler	go mod	Cargo	None	vcpkg	NuGet	Maven	SPM	build.zig.zon
Test Framework	Jest	PHPUnit	pytest	RSpec	go test	cargo test	Unity	GTest	xUnit	JUnit	XCTest	Built-in
Formatter	Prettier	PHP-CS	Black	RuboCop	gofmt	rustfmt	clang-fmt	clang-fmt	dotnet-fmt	google-fmt	swift-fmt	zig fmt
LSP	tsserver	Intelephense	Pyright	Solargraph	gopls	rust-analyzer	clangd	clangd	OmniSharp	Eclipse	SourceKit	zls
REPL	Node	php -a	python	irb	No	No	No	No	dotnet-script	jshell	swift	No

Common Use Cases

Use Case	Best Choices
Web Frontend	JavaScript
Web Backend	JavaScript, PHP, Python, Ruby, Go, C#, Java
Mobile (iOS)	Swift
Mobile (Android)	Java (Kotlin)
Mobile (Cross-platform)	JavaScript (React Native), C# (MAUI)
Systems Programming	Rust, C, C++, Zig
CLI Tools	Go, Rust, Zig
Data Science / ML	Python
Game Development	C++, C#, Zig
Embedded / IoT	C, C++, Rust, Zig
Enterprise	Java, C#
Scripting / Automation	Python, Ruby, JavaScript
DevOps / Cloud	Go, Python
WebAssembly	Rust, C, C++, Zig

Choosing a Language

For beginners starting out:

• Python -- Simple syntax, gentle learning curve, massive community
• JavaScript -- Essential for web, runs everywhere, huge ecosystem

For building web apps:

• JavaScript/Node.js -- Full-stack with one language
• Go -- Simple, fast, great for APIs and microservices
• PHP -- Battle-tested, massive WordPress/Laravel ecosystem

For system performance:

• Rust -- Memory safety without GC, modern tooling
• C++ -- Maximum control, vast ecosystem
• Zig -- Simple, predictable, no hidden control flow

For career opportunities:

• JavaScript -- Most in-demand, largest job market
• Java -- Enterprise, Android, established market
• Python -- Data science, AI/ML, growing demand
• C# -- Enterprise, game dev (Unity), Microsoft ecosystem