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Microsoft is ditching Claude Code for Copilot CLI — but its own devs aren’t happy - Windows Central

要約

重要ポイント

  1. MicrosoftがClaude Codeの利用を中止：MicrosoftはAnthropicが提供するAIコード生成ツール「Claude Code」の利用を中止し、自社のGitHub Copilot CLIへ移行する方針を打ち出した。
  2. 財務的要因が背景にある：Claude Codeのライセンス契約を2026年6月30日までに終了させることで、新年度に向けた運営コストの削減が目的とされる。
  3. 社内でのClaude Codeの高い人気：MicrosoftのエンジニアらはClaude Codeを高く評価していたが、同社はGitHub Copilot CLIの導入を強めている。

流れのまとめ

Microsoftは、Anthropicが提供するAIコード生成ツール「Claude Code」の利用を2026年6月までに中止し、自社開発のGitHub Copilot CLIへ移行する計画を明らかにした。同社のエグゼクティブによると、この決定はコスト削減のためではなく、GitHub Copilot CLIを自社の要望に合わせてカスタマイズできる点が理由とされる。ただし、社内ではClaude Codeが広く利用されており、その人気はGitHub Copilot CLIの導入に影響を与えている。また、MicrosoftはAIスタートアップの買収を模索しているが、GitHub Copilotと類似するCursor AIの買収は規制の懸念から難航する可能性がある。

この人物を追う上での意味

Claude CodeはMicrosoftのエンジニアコミュニティで高い評価を得ていたが、同社の戦略的選択により利用が縮小される見込みである。この移行は、Microsoftが自社のAIツール（GitHub Copilot CLI）を強化し、競合であるGitHub Copilotとの差別化を図る一方で、Anthropicとの提携を縮小する動きを示している。Claude Codeの今後の存在感は、MicrosoftのAI戦略と競合企業の対応に大きく左右されると考えられる。

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Join the club for quick access. Enter your email below and we'll send confirmation, and sign you up to our newsletter. By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over. Keep exploring and earning more as a member. AI updates, how-tos and comparisons in one place. Get the biggest gaming news, reviews, and releases straight to your inbox. All the latest news, reviews, and guides for Windows and Xbox diehards. Get full access to premium articles, exclusive features and a growing list of member rewards. Last year, Microsoft CEO Satya Nadella revealed that the company writes up to 30% of its code using generative AI . As it now happens, Microsoft is reportedly planning to reduce the use of Anthropic's Claude Code — a move designed to push its employees toward GitHub Copilot CLI. For context, The Verge's Tom Warren reported that Microsoft started opening access to Claude Code for its employees in December, including developers, project managers, and designers, allowing them to interact and experiment with the AI -coding assistant directly in their workflows. Warren reports that Claude Code gained vast popularity among Microsoft employees over the past six months, which has seemingly led to a pullback on its Claude Code push in favor of its own GitHub Copilot CLI. "While Claude Code has been a popular addition, it has also undermined Microsoft’s new GitHub Copilot CLI coding tool," Warren explained. According to Warren's sources, Microsoft’s Experiences + Devices division, which includes teams working on Windows, Microsoft 365 , Outlook, Teams, and Surface, is supposed to stop using Claude Code by the end of June. These teams are expected to transition their workflows to GitHub Copilot CLI over the next few weeks. The report reveals that the decision isn't centered on Microsoft pushing its staffers towards its own offering — there are some financial implications at play, too. Microsoft's financial year is expected to end on June 30, which means canceling Claude Code licenses for its employees could cut its operational costs as it transitions into a new financial year. While speaking to The Verge, Microsoft's VP of experiences and devices group, Rajesh Jha, indicated: “When we began offering both Copilot CLI and Claude Code, our goal was to learn quickly, benchmark the tools in real engineering workflows, and understand what best supported our teams. Claude Code was an important part of that learning… at the same time, Copilot CLI has given us something especially important: a product we can help shape directly with GitHub for Microsoft’s repos, workflows, security expectations, and engineering needs.” It'll be interesting to see how the transition from Claude Code to GitHub Copilot CLI is received, especially since the vast majority seems to favor the former. The company's initial plan was to have its engineers use both offerings concurrently, to compare their capabilities, and to provide feedback. Interestingly, Microsoft staffers have seemingly preferred Claude Cove over GitHub Copilot over the past few months, primarily because of the feature disparity between the two products. In the interim, I reported that Microsoft is actively looking into AI startup acquisitions to cement its position in the AI landscape, including Cursor AI. However, that deal might not see the light of day as it could trigger regulatory scrutiny for Microsoft. This is because GitHub Copilot and Cursor are curiously similar in the AI coding space. Join us on Reddit at r/WindowsCentral to share your insights and discuss our latest news, reviews, and more. Kevin Okemwa is a seasoned tech journalist based in Nairobi, Kenya with lots of experience covering the latest trends and developments in the industry at Windows Central. With a passion for innovation and a keen eye for detail, he has written for leading publications such as OnMSFT, MakeUseOf, and Windows Report, providing insightful analysis and breaking news on everything revolving around the Microsoft ecosystem. While AFK and not busy following the ever-emerging trends in tech, you can find him exploring the world or listening to music. You must confirm your public display name before commenting Please logout and then login again, you will then be prompted to enter your display name. 1 Pre-built iBUYPOWER rigs drop their prices before Memorial Day 2 Xbox's Forza Horizon 6 gets its first Festival Playlist next week with 10 new cars 3 Xbox Elite Controller Series 3 leaks in new images: What's new? 4 Xbox Game Pass' Subnautica 2 blew up the Steam charts in minutes at its Early Access launch 5 Microsoft's Xbox CEO Asha Sharma polls nearly 20,000 gamers on the brand's title