OpenAI brings GPT-5.5 to Codex for coding tasks

1 · Developer Tech · April 24, 2026, 9:18 a.m.
AI Tools Build & Ship Cybersecurity & Development developer openai GPT-5.5 codex AI in software development
Summary
OpenAI's GPT-5.5 has been rolled out to Codex users on select paid plans, enhancing capabilities for coding, computer use, and research tasks with a longer context ability of 400K tokens.
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