AI & ML

GitHub engineers and industry thought leaders offer tips, best practices, and practical explainers about various aspects of AI and ML, ranging from fundamental concepts to advanced techniques and real-world applications. For more detailed documentation and practical guides on GitHub’s own AI coding tool, GitHub Copilot, check out GitHub’s official documentation.

Featured

AI is changing developer work. Here are three skills to strengthen.

Learn to direct AI agents, critically review their output, and keep technical judgment at the center of your workflow.

GitHub Copilot app for Beginners: Build custom AI surfaces

GitHub Copilot app for Beginners: How to build custom workflows with canvases

Describe the interface you need in plain English, then let the agent build a live surface you can both use and update—so you spend less time adapting to tools and more time getting work done.

When chat is the wrong UI

What is a developer to do when they need something more tangible than a chat box? Enter canvases.

AI-powered fuzzing with the GitHub Security Lab Taskflow Agent

In this blog post, I explain how to use the new fuzzing taskflow based on the GitHub Security Lab Taskflow Agent AI framework.

Latest

Rendering huge pull requests in the GitHub Copilot app

How we rebuilt the diff surface in the GitHub Copilot app to open a million-line pull request with hundreds of inline review comments.

Should you read the code, is RAG dead, and did Skills kill MCP?

We dive into these questions and other AI hot takes on the latest episode of the GitHub Podcast.

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.

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.

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.

Decoding the new AI lingo: Loops, harnesses, squads, hill climbing… oh my!

From loop engineering to harnesses, squads, and open weights, the GitHub Podcast breaks down the AI terms showing up in developer conversations.

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.

How to evaluate LLMs before production

These are the lessons we learned evaluating LLMs for real-world secret scanning.

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.