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OpenAI Expands Codex Capabilities with GPT-5.3

Filed: Feb 05, 2026 at 11:00 PM ET
Summary: OpenAI introduces GPT-5.3-Codex, focusing on mid-turn steering and progress updates.
WHO: OpenAI
WHAT: Launch of GPT-5.3-Codex for enhanced coding capabilities
WHEN: Feb 05, 2026 at 4:47 PM ET
WHERE: San Francisco, California
WHY: To improve coding efficiency and project management
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.

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