Since its release in 2021, GitHub Copilot has quickly become one of the most widely used AI coding assistants. Built in collaboration with OpenAI, it integrates directly into developers’ IDEs to provide real-time code suggestions, autocompletion, and function generation.
In this article, we’ll explore what developers think of GitHub Copilot, its features, pricing, pros and cons, and how it compares with other AI coding assistants.
GitHub Copilot is an AI-powered code completion tool trained on billions of lines of public code from GitHub repositories. It suggests:
Inline code completions.
Full function and boilerplate generation.
Natural language to code conversion (based on comments).
Documentation and test generation assistance.
Supported across VS Code, JetBrains IDEs, Visual Studio, and Neovim, Copilot is designed to be a pair programmer inside your editor.
Context-Aware Code Suggestions
Autocompletes code snippets and functions in real time.
Natural Language to Code
Converts plain English comments into functional code.
Multi-Language Support
Works across dozens of languages; strongest in Python, JavaScript, TypeScript, Go, and Java.
Test Generation
Assists with writing unit tests and documentation.
Integration with IDEs
Seamless in VS Code, JetBrains, and Visual Studio.
Free Plan
Available for verified students, educators, and open-source maintainers.
Individuals
$10/month or $100/year.
Business
$19/user/month, with enterprise-grade features like policy controls, privacy, and compliance.
✅ Boosts productivity – Cuts down boilerplate coding and repetitive tasks.
✅ Supports multiple languages – Works well across common programming stacks.
✅ Seamless IDE integration – Runs inside popular editors.
✅ Learning tool – Great for junior developers learning new frameworks.
✅ Accelerates prototyping – Generates quick code drafts for experimentation.
⚠️ Not always accurate – Suggestions may be buggy, inefficient, or insecure.
⚠️ Dependent on internet – Requires online connectivity.
⚠️ Privacy concerns – Sends snippets to GitHub servers (business plans offer better controls).
⚠️ Over-reliance risk – May reduce deep coding practice for beginners.
⚠️ Limited creativity – Works best for boilerplate and common tasks, less so for highly specialized problems.
⭐ Positive Feedback
“A productivity booster—Copilot completes half of my functions before I even finish typing.”
“It helps me explore unfamiliar libraries and frameworks quickly.”
⚠️ Critical Feedback
“Sometimes produces insecure code, especially with cryptography or input validation.”
“The free plan is too limited; you really need Premium for daily use.”
💡 Best Use Cases
Writing boilerplate code.
Exploring new frameworks or languages.
Rapid prototyping and unit test generation.
| Feature | GitHub Copilot | ChatGPT (with coding) | Tabnine | Replit AI |
|---|---|---|---|---|
| Integration | ✅ IDE plugins | ⚠️ External, not inline | ✅ IDEs | Web IDE only |
| Code Completion | ✅ Real-time inline | ✅ Chat-style explanations | ✅ Good | ⚠️ Limited |
| Best For | Inline coding help | Debugging + explanations | Autocomplete | Full-stack dev |
| Pricing | $10/mo individuals | Free + Pro tiers | $12/mo | $20+/mo |
Code reviews are an essential part of modern software development, ensuring quality, security, and maintainability. However, manual reviews can be time-consuming and error-prone, especially in large teams or projects. GitHub Copilot, widely known as an AI-powered coding assistant, is increasingly being adopted as a support tool for code reviews.
While Copilot doesn’t replace human reviewers, it can accelerate the review process, highlight potential issues, and suggest improvements—making teams more productive.
Automates Repetitive Checks
Identifies common issues like missing documentation, inconsistent naming, or inefficient loops.
Improves Code Readability
Suggests more concise or expressive rewrites of functions or methods.
Accelerates Review Cycles
Provides immediate inline suggestions, reducing back-and-forth between reviewers and authors.
Assists Junior Developers
Acts as a learning companion, helping new contributors understand best practices through AI-driven insights.
Context Awareness
Copilot leverages project context, comments, and surrounding code to generate relevant suggestions.
Copilot can flag areas where logic may fail or provide alternative implementations that improve efficiency.
Instead of manually spotting repetitive patterns, Copilot can suggest DRY (Don’t Repeat Yourself) refactors or modular function extraction.
When code lacks explanations, Copilot can generate docstrings and inline comments automatically, aiding readability for future maintainers.
For certain patterns (e.g., handling user input), Copilot can highlight potential vulnerabilities and suggest safer alternatives.
In multi-language codebases, Copilot helps reviewers by translating idioms across frameworks and languages, making reviews faster.
Use AI as a Co-Reviewer, Not a Replacement
Copilot suggestions should complement human judgment, not override it.
Always Validate AI Suggestions
Developers must review Copilot’s proposals for correctness, performance, and security.
Enable Copilot in IDE During Reviews
Reviewing directly in IDEs like VS Code or JetBrains maximizes Copilot’s inline assistance.
Pair With Linting & Testing
Use Copilot alongside automated tools like ESLint, Prettier, or unit tests for comprehensive coverage.
Train Teams on AI-Aided Reviews
Encourage developers to learn when to trust Copilot and when to rely solely on peer expertise.
| Pros | Cons |
|---|---|
| ✅ Accelerates review process | ⚠️ May generate incorrect suggestions |
| ✅ Improves documentation and readability | ⚠️ Risk of over-reliance on AI |
| ✅ Helpful for onboarding new developers | ⚠️ Not context-perfect for every project |
| ✅ Detects refactoring opportunities | ⚠️ Cannot replace human domain expertise |
Developer submits a pull request.
Reviewer opens the code in VS Code with Copilot enabled.
Copilot highlights possible improvements (e.g., optimize loop, add missing docstring).
Reviewer accepts, modifies, or rejects suggestions based on judgment.
Human reviewer finalizes with contextual feedback and merges.
This hybrid workflow reduces repetitive review effort while preserving human oversight for critical design and logic decisions.
GitHub Copilot is an AI-powered coding assistant developed by GitHub and OpenAI. It suggests code completions, functions, and even full blocks of code directly inside your editor (VS Code, JetBrains, Neovim).
It uses OpenAI Codex, trained on billions of lines of public code, to generate suggestions in real time based on your current file, comments, and project context.
Visual Studio Code
Visual Studio (2022+)
JetBrains IDEs (IntelliJ, PyCharm, WebStorm, etc.)
Neovim
Free for verified students, teachers, and open-source maintainers.
Paid plans available for individuals and businesses.
Individuals: $10/month or $100/year
Business: $19/user/month (includes enterprise features like policy controls)
No. While it provides helpful suggestions, Copilot can produce insecure, incorrect, or inefficient code. Developers should always review, test, and debug its output.
Yes, but it works best with:
JavaScript / TypeScript
Python
Java
Go
C#
C++
Other languages are supported, but the quality may vary.
Copilot does not publicly share your code, but it may send snippets to GitHub’s servers to generate suggestions. Business and enterprise tiers offer better privacy and compliance controls.
Yes. If you write a function name or comment, Copilot can auto-generate code, docstrings, or explanations based on your intent.
Copilot: Integrated into IDEs, optimized for real-time code completion and inline suggestions.
ChatGPT: General-purpose conversational AI that can explain code, debug, or generate snippets, but not directly integrated into coding environments.
No. Copilot requires an internet connection because it queries cloud-based models.
Yes, but with caution:
Review code for security vulnerabilities.
Businesses can use Copilot for Business, which provides policy management, audit logs, and privacy compliance.
GitHub Copilot earns high marks as a coding productivity tool, especially for developers who:
Want fast, context-aware code suggestions.
Need help with boilerplate, unit tests, or learning new frameworks.
Work in popular languages like Python, JavaScript, and Go.
However, Copilot isn’t flawless—it requires careful review of generated code to avoid bugs and security risks. For professional developers, it’s a time-saver, while for beginners, it can be both a learning tool and a crutch.
Overall, reviews suggest Copilot is best used as a coding accelerator, not a replacement for human expertise.
ChatGPT is remarkable, yet it has its shortcomings. Released by OpenAI in late 2022, it captivated users with its unique ability to answer virtually
Try ChatGPTChatGPT-3.5, developed by OpenAI and released in November 2022, is an AI chatbot designed to participate in conversations, answer questions
Try ChatGPT-3.5To enhance GPT-4's performance, we integrated additional human feedback, including contributions from ChatGPT users, into its training process.
Try ChatGPT-4GPT-4o represents OpenAI's most advanced model yet, engineered to offer cutting-edge multimodal functionalities across text, audio, and visual processing.
Try ChatGPT-4o