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November 4, 2024

GitHub Copilot Supported Languages: What You Need to Know

November 4, 2024
Read 4 min

GitHub Copilot, powered by OpenAI’s Codex, is a groundbreaking AI-powered coding assistant that helps developers write code faster and with fewer errors. But one of the first questions developers often have is, “Does Copilot support my preferred language?” GitHub Copilot is designed to be versatile, supporting a wide range of programming languages across multiple domains. In this article, we’ll explore the languages GitHub Copilot supports, how it performs in each, and what that means for developers working in different tech stacks.

What Languages Does GitHub Copilot Support?

GitHub Copilot offers support for a broad spectrum of programming languages. Here’s a breakdown of the most widely supported languages and how well Copilot performs with each.

1. JavaScript and TypeScript

JavaScript and TypeScript are among the most popular languages on GitHub, making them a high priority for Copilot. It excels in these languages, generating code for functions, handling asynchronous code, and even offering intelligent suggestions for frameworks like React and Node.js.

Performance: Excellent
Popular Use Cases: Web development, frontend and backend applications, frameworks like React, Vue, and Angular.

2. Python

Python is another language where GitHub Copilot shines, thanks to its versatility across domains such as data science, machine learning, and web development. Copilot can generate code for complex functions, data analysis tasks, and even help with libraries like TensorFlow, Pandas, and Django.

Performance: Excellent
Popular Use Cases: Data science, machine learning, web development, scripting, and automation.

3. Java

For backend development, enterprise applications, and Android development, Copilot provides robust support for Java. It assists with common patterns in Java, including object-oriented programming principles, exception handling, and API integrations.

Performance: Very Good
Popular Use Cases: Enterprise software, Android development, web applications, RESTful APIs.

4. Ruby

Ruby developers, especially those working with Ruby on Rails, can benefit from GitHub Copilot’s ability to generate code snippets, model relationships, and standard conventions in Rails applications.

Performance: Good
Popular Use Cases: Web development, backend services, Ruby on Rails applications.

5. Go (Golang)

GitHub Copilot is well-suited for Go, especially in writing functions, handling goroutines, and managing concurrent programming patterns. Go developers will find Copilot useful for quickly setting up server logic and API handlers.

Performance: Good
Popular Use Cases: Backend services, API development, cloud computing, microservices.

6. C, C++, and C#

For developers in system programming and game development, Copilot supports C and C++ by providing basic code generation. In C#, Copilot can be particularly useful for .NET applications, Unity game development, and enterprise software.

Performance: Moderate (for C/C++), Good (for C#)
Popular Use Cases: System programming, embedded systems, game development, enterprise software.

7. PHP

PHP is a popular language for web development, and Copilot provides support for common tasks, such as database interactions, form handling, and working with popular frameworks like Laravel.

Performance: Good
Popular Use Cases: Web development, backend applications, content management systems.

8. Shell Scripting (Bash)

For developers working with scripts and automation, GitHub Copilot supports Shell scripting, helping with tasks like writing command-line utilities, automating server setups, and managing file operations.

Performance: Good
Popular Use Cases: Scripting, DevOps automation, server management.

9. HTML, CSS, and Markdown

Copilot is also quite effective for frontend development tasks involving HTML and CSS, as well as writing documentation in Markdown. It can generate HTML elements, CSS styles, and Markdown formatting based on context, speeding up web page creation and documentation.

Performance: Good
Popular Use Cases: Web development, documentation, content creation.

10. Kotlin and Swift

For mobile development, GitHub Copilot supports Kotlin and Swift, assisting Android and iOS developers with common mobile development patterns, UI elements, and handling app lifecycle functions.

Performance: Good
Popular Use Cases: Mobile app development for Android (Kotlin) and iOS (Swift).

Other Languages and Specialized Use Cases

In addition to these widely-used languages, GitHub Copilot supports several other languages and can be used for niche coding scenarios. These include:

  • R: Used mainly in data science for statistical analysis and visualizations.
  • MATLAB: Beneficial for engineers and scientists in fields like physics and engineering.
  • SQL: Useful for generating database queries and managing data interactions.
  • Haskell: For functional programming, where Copilot can help with syntax and basic structures.

While Copilot is versatile, it performs best with languages that have strong code representation on GitHub. For less common or highly specialized languages, suggestions may be less accurate or limited.

How Does GitHub Copilot’s Performance Vary Across Languages?

GitHub Copilot’s effectiveness varies by language based on training data availability and the typical complexity of the language. For popular languages like JavaScript, Python, and Java, where it has extensive training data, Copilot delivers high-quality suggestions that are often on target. In less commonly used languages, suggestions might require additional validation and modification.

In general, Copilot is better suited for languages and tasks that have strong representation on GitHub repositories, like web development, machine learning, and data analysis. For specialized applications or languages with niche use, it may provide basic support but may lack advanced context or specific language conventions.

Final Thoughts

GitHub Copilot’s wide-ranging support for popular programming languages makes it a powerful tool for developers across various domains. From frontend web development to data science and mobile applications, Copilot offers language-specific assistance that can speed up the coding process and improve productivity. While it performs best with widely-used languages, its versatility in supporting additional languages gives developers the flexibility to explore new projects with helpful suggestions.

As GitHub continues to enhance Copilot, we can expect even better language support and an expanding range of use cases, making it an increasingly valuable companion for developers of all skill levels.

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