How I use LLMs as a staff engineer in 2026
A bit over a year ago I wrote How I use LLMs as a staff engineer. Here’s a brief summary of what I used AI for last year: Smart autocomplete with Copilot Short tactical changes in areas I don’t know well (always reviewed by a SME) Writing lots of use-once-and-throwaway research code Asking lots of questions to learn about new topics (e.g. the Unity game engine) Last-resort bugfixes, just in case i
GitHub Copilot app is now available in technical preview - GitHub Changelog
Menu. Currently selected: 🧭 Start from GitHub context The GitHub Copilot app is now in technical preview. It’s a GitHub-native desktop experience to start agentic development from the work in front of you, keep it isolated, steer it as it goes, and land the change through pull request review. 🧭 Start from GitHub context Your work already lives in GitHub. Sessions start from those artifacts too.
Introducing WinUI agent plugin for GitHub Copilot and Claude Code - #ifdef Windows
We’re excited to share agent skills designed to efficiently build native Windows apps with WinUI and the Windows App SDK with agents such as GitHub Copilot and Claude Code. These skills enable your agent to take your ideas to a native Windows app in minutes! They are built around the end-to-end loop: scaffold, build, run, test, iterate. They’ve been optimized to know how to drive each stage, recog
GitHub Copilot is moving to usage-based billing
TL;DR: Today, we are announcing that all GitHub Copilot plans will transition to usage-based billing on June 1, 2026. Instead of counting premium requests, every Copilot plan will include a monthly allotment of GitHub AI Credits, with the option for paid plans to purchase additional usage. Usage will be calculated based on token consumption, including input, output, and cached tokens, using the li
GPT-5.5 is generally available for GitHub Copilot - GitHub Changelog
Menu. Currently selected: Availability in GitHub Copilot GPT-5.5, OpenAI’s latest GPT model, is now rolling out on GitHub Copilot. In our early testing, GPT-5.5 delivers its strongest performance on complex, multi-step agentic coding task and resolves real-world coding challenges previous GPT models couldn’t. Note that this model is launching with a 7.5× premium request multiplier as part of promo
GitHub Copilotにソースコードを学習されないために対応したこと - freee Developers Hub
GitHubが大好きなセキュリティチームのhikaeです。GitHubは先日、GitHub Copilot Free / Pro / Pro+ の入出力などを、オプトアウトしない限りAIモデルの学習に利用する方針変更を発表しました。適用は2026年4月24日を予定しています。Copilot Business / Enterprise の利用者はこの変更の対象外ですが、本当に安心なのでしょうか？ 「自社の開発者が必ずBusiness / Enterpriseライセンスの経路で使っている」と言い切れるかという観点から、意図せず学習に使われる経路をどう塞ぐかについて実装方法を整理し、その実装方法を整理し社内で実施した対処法について紹介します。 github.blog 学習許可のオプトアウトに注意 今回注意すべきはinteractionの範囲です。もしもCopilotユーザーが学習利用をオンにして
Exclusive: Microsoft To Shift GitHub Copilot Users To Token-Based Billing, Tighten Rate Limits
Executive Summary: Internal documents reveal that Microsoft plans to temporarily suspend individual account signups to its GitHub Copilot coding product, as it transitions from requests (single interactions with Copilot) towards token-based billing. The documents reveal that the weekly cost of running Github Copilot has doubled since the start of the year. Microsoft also intends to tighten the rat
From pixels to characters: The engineering behind GitHub Copilot CLI’s animated ASCII banner
AI & MLLearn about artificial intelligence and machine learning across the GitHub ecosystem and the wider industry. Generative AILearn how to build with generative AI. GitHub CopilotChange how you work with GitHub Copilot. LLMsEverything developers need to know about LLMs. Machine learningMachine learning tips, tricks, and best practices. How AI code generation worksExplore the capabilities and be
GitHub Copilot CLIは、gpt-5.2-codex xhighに複雑なレビューを依頼しても1回4円
2026.01.28 - 追記開始 コメントで教えていただきましたが、設定ファイルで直接設定すればCLIじゃなくVS拡張でもReasoning Effortを指定できるようです。 参考：GitHub Copilot で xhigh（Extra High）推論を使う 2026.01.28 - 追記終了 皆さん、GitHub Copilot使ってますか？私は日常的に使っています。 GitHub CopilotってほかのAIハーネスと違って、サブスクの課金体系が入出力トークン量ではなく、「プレミアムリクエスト」という謎単位で課金されます。 これを実はうまく利用すると、GPT-5.2-Codex xhighでがっつりレビューさせたり調査させても、最安1回4円で使えます。 GitHub Copilotでコスパ良く活用するコツ これにはコツがあって… GitHub Copilot CLIを使う（VS拡
GitHub CopilotのMaxプランが準備中らしい？
GitHub CopilotのMaxプランが準備中らしいです。 https://x.com/kdaigle/status/2014753937643987424?s=20 GitHub Copilot SDKのリリースで、開発者の方ががXで投稿したのに、「それは良いけど、プレミアムリクエスト全然高いよ、Maxプランでないの？」と絡んだら、「今対応中だよ！」的な返信がありました。 で、この返事くれた人ですが、GitHubのCOO（最高執行責任者）のKyle Daigleさんでした。 つまり、GitHub CopilotのMaxプランは、近いうちに発表される可能性が高いということですね。 裸で正座して待とうと思います。
Build an agent into any app with the GitHub Copilot SDK
AI & MLLearn about artificial intelligence and machine learning across the GitHub ecosystem and the wider industry. Generative AILearn how to build with generative AI. GitHub CopilotChange how you work with GitHub Copilot. LLMsEverything developers need to know about LLMs. Machine learningMachine learning tips, tricks, and best practices. How AI code generation worksExplore the capabilities and be
Meet the GitHub MCP Registry: The fastest way to discover MCP Servers
AI & MLLearn about artificial intelligence and machine learning across the GitHub ecosystem and the wider industry. Generative AILearn how to build with generative AI. GitHub CopilotChange how you work with GitHub Copilot. LLMsEverything developers need to know about LLMs. Machine learningMachine learning tips, tricks, and best practices. How AI code generation worksExplore the capabilities and be
Start and track Copilot coding agent tasks from Raycast - GitHub Changelog
Raycast is a powerful free launcher for macOS. It can launch apps, search files, control your system, and leverage community-built extensions. Now, it can also interact with AI agents. With the new GitHub Copilot extension for Raycast, you can hand tasks to Copilot coding agent and track progress from anywhere on your Mac. To start a new task, open Raycast with Command+Space, then find and select
Copilot coding agent now supports AGENTS.md custom instructions - GitHub Changelog
Copilot coding agent now supports AGENTS.md custom instructions With custom instructions, you can guide Copilot on how to understand your project as well as how to build, test, and validate its changes. Copilot coding agent, our autonomous background agent, now supports AGENTS.md custom instructions. You can create a single AGENTS.md file in the root of your repository. You can also create nested
Copilot coding agent now has its own web browser - GitHub Changelog
GitHub Copilot coding agent, available in public preview, now has access to a web browser out of the box, powered by the Playwright MCP server. This feature is in public preview. When you delegate a task to Copilot, the agent starts work in the background in its own development environment. Model Context Protocol (MCP) servers allow extending Copilot’s capabilities with new tools. You can configur
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GitHub Copilot SDKによるマルチコーディングエージェントシステムの開発 | ドクセル
GitHub Copilotを使い倒す！柔軟なAI駆動開発の最前線
https://x.com/i/status/2011803160122097826
https://x.com/i/status/2011790750543983072
GitHub Copilot NESの内部実装が公開、そして続・AIエディタ戦争
