GitHub Copilot: AI pair programmer by Microsoft
GitHub Copilot is Microsoft's AI coding assistant integrated directly into IDEs like VS Code, JetBrains, and Vim. Powered by OpenAI's GPT-4 and specialized code models, it provides real-time code suggestions, entire function implementations, and documentation generation. Copilot Chat enables conversational debugging and code explanation. Launched in 2021 as a technical preview, it became generally available in 2022. Business plans offer team management, policy controls, and SAML SSO integration.
Use cases
- Accelerating coding by accepting AI-suggested boilerplate code
- Learning new APIs through inline contextual explanations
- Debugging with AI that understands your codebase context
- Writing comprehensive test suites without manual effort
- Onboarding to unfamiliar codebases with AI-guided exploration
Key features
- Real-time Code Suggestions: autocompletes functions, classes, and boilerplate as you type
- Copilot Chat: conversational interface for debugging, explaining, and writing code
- Documentation Generation: creates docstrings and comments from code behavior
- Test Generation: automatically writes unit tests from functions
- Pull Request Summaries: explains and reviews code changes
- Security Vulnerability Detection: identifies common security issues in suggestions
Who Is It For?
- Software developers working in Microsoft-aligned IDEs
- Enterprise development teams requiring policy compliance
- Open source contributors seeking productivity gains
- Junior developers learning from AI code suggestions
Frequently Asked Questions
- Is GitHub Copilot free?
- GitHub Copilot is free for verified students, teachers, and maintainers of popular open source projects. Otherwise it costs $19/month or $169/year for individual plans.
- How does Copilot differ from Cursor?
- Copilot integrates into existing IDEs as an extension, while Cursor is a standalone AI-first editor. Cursor has more aggressive AI features like autonomous editing.
- Does Copilot work with all programming languages?
- Copilot supports dozens of languages with strongest performance in Python, JavaScript, TypeScript, Go, and Rust.
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Cursor
Cursor is an AI-first code editor built on VS Code, launched in 2023 by Anysphere. It integrates AI capabilities directly into the coding workflow with features like code completion, natural language commands, and pair programming. Cursor 0.5 introduced Agent capabilities that can autonomously modify codebases. The editor supports Python, JavaScript, TypeScript, Go, Rust, and other major languages. It offers a free tier with 1000 code completions and paid plans for extended usage.
Microsoft 365 Copilot
Microsoft 365 Copilot embeds AI assistance across the entire Microsoft 365 productivity suite including Word, Excel, PowerPoint, Outlook, and Teams. Launched in November 2023 for enterprise customers, it combines large language models with organizational data through Microsoft Graph. Copilot can draft documents, analyze spreadsheets, create presentations, summarize meetings, and draft emails. Business plans cost $30 per user per month in addition to existing Microsoft 365 licenses.