GPT-5.4 Now Generally Available
GitHub CopilotOpenAI's GPT-5.4, the latest agentic coding model, is now generally available in GitHub Copilot for Pro, Pro+, Business, and Enterprise subscribers. The model delivers enhanced logical reasoning and improved performance on intricate, multi-step, tool-dependent software development tasks. Business and Enterprise administrators must enable the GPT-5.4 policy in Copilot settings before users can select the model.
Sources & Mentions
5 external resources covering this update
OpenAI launches GPT-5.4 with Pro and Thinking versions
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Microsoft Brings OpenAI's GPT-5.4 Agentic Coding Model to GitHub Copilot
WindowsReport
OpenAI launches GPT-5.4, its most powerful model for enterprise work
Fortune
GPT-5.4 Arrives in GitHub Copilot
OpenAI's GPT-5.4 — the company's latest general-purpose agentic coding model — is now generally available in GitHub Copilot as of March 5, 2026.
What Makes GPT-5.4 Different
GPT-5.4 builds on advances from the Codex series, bringing those improvements into a general-purpose model architecture. In GitHub's early testing, GPT-5.4 consistently reaches new success rates and demonstrates meaningfully enhanced logical reasoning.
Where It's Available
GPT-5.4 is accessible through the model picker across all major Copilot surfaces:
- Visual Studio Code v1.104.1 and later
- Visual Studio 17.14.19 and later
- JetBrains IDEs 1.5.66 and later
- Xcode 0.48.0 and later
- Eclipse 0.15.1 and later
- GitHub.com and GitHub Mobile
- GitHub CLI
- Copilot Coding Agent
Administrator Requirements
For Copilot Business and Enterprise plans, administrators must explicitly enable the GPT-5.4 policy in their Copilot settings before users can select the model.