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github: GPT-5.5 is generally available for GitHub Copilot

· Sujith Quintelier · April 24, 2026, 9:34 p.m.

GitHub Copilot GPT-5.5 AI in software development software-engineering

Summary

GitHub has announced the general availability of GPT-5.5 for GitHub Copilot, highlighting its improved performance on complex coding tasks and real-world problem solving based on early testing results.

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