Highlights OpenAI GPT-4o marks a major shift in how ChatGPT is used worldwide, as OpenAI phases out GPT-4o and related models in favor of newer GPT-5.2 systems starting February 13. OpenAI made a significant announcement on January 30, 2026, when it declared that it would stop using its four AI models, OpenAI GPT-4o, GPT-4.1, GPT-4.1 […]
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