GitHub Copilot

Explore comprehensive guides about GitHub Copilot, an AI-powered code completion tool, to enhance coding efficiency and accuracy with best practices, tips for maximizing Copilot’s capabilities, and real-world examples. Want more technical information on GitHub Copilot? Head over to our documentation to learn more about using GitHub Copilot in your IDE, on GitHub, and across your workflows.

Featured

Copilot appears against a decorative background with scattered green squares.

Migrating the GitHub Copilot runtime to Rust, using Copilot

A rewrite this size wasn’t affordable before agents. Here’s what porting the Copilot agent runtime to 800,000 lines of production Rust actually took.

Decorative background featuring two Copilot figures moving among abstract green and translucent blocks.

Marketing ops as code: Automating events from planning to follow-up on GitHub

If you can write down how you do your work, you can automate it. Here’s what I did to support GitHub’s APAC marketing team.

GitHub Copilot app for Beginners: Stop switching tabs

GitHub Copilot app for Beginners: Using the diff, terminal, and browser

Checking agent-generated code usually means hopping between tabs. Learn how to view diffs, run terminal commands, and preview web apps side by side in the GitHub Copilot app.

Research preview: HydraFusion. Advanced runtime model orchestration in GitHub Copilot.

Project HydraFusion: Frontier quality via multi-model orchestration

In controlled offline evaluations, HydraFusion’s selective coding workflows matched or exceeded the evaluated Opus 5 baseline while reducing estimated workflow cost. Now available as a research preview in GitHub Copilot.

Latest

GitHub Copilot app for Beginners: Run multiple agents safely

GitHub Copilot app for Beginners: Run several agents at once

Learn how to run parallel agents in the GitHub Copilot app, and experience the moment it stops feeling scary and starts feeling powerful.

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How we make AI coding more cost efficient without sacrificing task quality

Why shorter outputs can cost more, and how GitHub Copilot reduces wasted work across the complete coding task.

GitHub Copilot app for Beginners: Work that runs itself.

GitHub Copilot app for Beginners: Automate Dependabot pull request triage

Managing library updates can be tedious at times. Learn how the GitHub Copilot app can handle this type of repetitive task.

GitHub Copilot app for Beginners: Manage all your work

GitHub Copilot app for Beginners: Managing your work

If you’re juggling multiple Copilot sessions, use the My work pane to track what’s in flight, what’s done, and what’s next.

How canvases make agentic workflows visible, steerable, and cost-efficient

Chat is great for intent, but agent work gets lost in the scroll. Here is how I use canvases with my agentic workflows—and why your workflow also deserves a canvas.

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How to bring your software delivery workflow into GitHub with agent apps

See how four GitHub agent apps can help you scope, secure, roll out, and ship a feature across the SDLC–all without leaving GitHub.

GitHub Copilot app for Beginners: Write your first prompt

Learn how to write your first prompt in the GitHub Copilot app, choose the right context and model, and start your first task with confidence.

A guide to slash commands in the GitHub Copilot app

Go beyond chat in the GitHub Copilot app with these slash commands. They’ll help you plan, collaborate, automate, and customize your dev workflow.

Copilot moves toward floating green cubes displaying GitHub-related icons in a decorative tech-themed scene.

How the GitHub legal team used Copilot CLI to streamline their workflows

Learn how to build tools to simplify how you work—without writing a single line of code.

Stacked sessions and pull requests in the GitHub Copilot app

Learn how I modernized an old codebase of mine using stacked sessions and pull requests in the GitHub Copilot app.

The harness is all you need (mostly)

A practical GitHub Copilot workflow for prototyping, planning, implementing, and reviewing software without chasing every new AI tool.

Header image with Copilot imagery and the words 'Meet the GitHub Copilot app'

GitHub Copilot app for Beginners: Getting started

New to the GitHub Copilot app? Learn how to start projects, work with AI agents, explore canvases, and streamline your development workflow.

Copilot vs. raw API access: What are you actually paying for?

Copilot now bills usage at listed API rates. Compare direct model access with the coding workflow, policy, and harness work around it.

How to build interactive experiences with canvases

Canvases turn AI into interactive workspaces where you can visualize information, explore workflows, and take action across complex tasks.

Better tools made Copilot code review worse. Here’s how we actually improved it.

How migrating Copilot code review to shared Unix-style code exploration tools reduced review cost by reshaping agent workflows around pull request evidence.