GPT-5.4

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Version History

5.4majorMarch 5, 2026

GPT-5.4, OpenAI's agentic coding model, is now generally available in GitHub Copilot after early testing validated improved performance on real-world and agentic software development tasks.

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model releaseOpenAI

OpenAI's GPT-5.4 now generally available in GitHub Copilot

OpenAI's GPT-5.4, an agentic coding model, is now generally available in GitHub Copilot. The model was tested on real-world software development scenarios and demonstrated improved coding capabilities.

March 5, 2026 · 11:50 PM1 min read

openai github-copilot code-generation