Event Brief
Jan 30, 2026 at 7:03 PM ET
OpenAI to Retire ChatGPT-4o, Introduces GPT-5
By The BriefBrief
OpenAI plans to phase out ChatGPT-4o amid user backlash, shifting focus to new GPT-5 models.
WHO: OpenAI
WHAT: Retiring ChatGPT-4o and introducing GPT-5 models
WHEN: Jan 30, 2026 at 5:18 PM ET
WHERE: Global
WHY: To improve user experience and technology
How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
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