GPT-5.4がGitHub Copilotで一般提供開始

GPT-5.4 is generally available in GitHub Copilot - GitHub Changelog Back to changelog GPT-5.4, OpenAI’s latest agentic coding model, is now rolling out in GitHub Copilot. In our early testing of real-world, agentic, and software development capabilities, GPT-5.4 consistently hits new rates of success. It also shows enhanced logical reasoning and task execution for intricate, multi-step, tool-dependent processes. https://github.blog/wp-content/uploads/2026/03/5.4-recording-with-end-card.mp4#t=0.001 Availability in GitHub Copilot GPT-5.4 will be available to Copilot Pro, Pro+, Business, and Enterprise users. You’ll be able to select the model in the model picker in: Visual Studio Code version v1.104.1 and later in all modes: chat, ask, edit, agent Visual Studio version 17.14.19 and later in all modes: agent, ask JetBrains versions 1.5.66 and later, in all modes: ask, edit, agent Xcode versions 0.48.0 and later in all modes: ask, agent Eclipse versions 0.15.1 and later in all modes: ask, agent github.com GitHub Mobile iOS and Android GitHub CLI GitHub Copilot Coding Agent While the model appears in all versions above, prompting and model parameters work best in the most recent versions of each product, so we highly encourage you to upgrade to the latest version. Enabling access Copilot Enterprise and Copilot Business plan administrators must enable the GPT-5.4 policy in Copilot settings. Learn more To explore all models available in GitHub Copilot, see our documentation on available models and get started with Copilot. Share your feedback Join the GitHub Community to share your feedback. Related Posts May.01 Retired Upcoming deprecation of GPT-5.2 and GPT-5.2-Codex copilot Apr.30 Release GitHub Copilot in Visual Studio — April update copilot Apr.27 Retired Copilot Student GPT-5.3-Codex removal from model picker copilot Apr.27 Improvement Copilot cloud agent starts 20% faster with Actions custom images actions copilot ... +1 Apr.27 Release GitHub Copilot code review will start consuming GitHub Actions minutes on June 1, 2026 actions copilot ... +1 Apr.24 Improvement Notice about upcoming new format for GitHub App installation tokens actions application security client apps copilot ... +3 Apr.24 Release GPT-5.5 is generally available for GitHub Copilot copilot Apr.24 Improvement Inline agent mode in preview and more in GitHub Copilot for JetBrains IDEs copilot Apr.23 Improvement Copilot Chat improvements for pull requests copilot Subscribe to our developer newsletter Discover tips, technical guides, and best practices in our biweekly newsletter just for devs. Enter your email * Subscribe By submitting, I agree to let GitHub and its affiliates use my information for personalized communications, targeted advertising, and campaign effectiveness. See the GitHub Privacy Statement for more details. Back to top