In February 2026, Tencent tore down its pre-training and reinforcement-learning infrastructure and rebuilt both from scratch.
Morning Overview on MSN
OpenAI launches GPT-5.5, its first fully retrained base model
OpenAI on April 24, 2026, released GPT-5.5, calling it the company’s first base model trained entirely from scratch rather ...
OpenAI launches GPT-5.5, its first fully retrained base model since GPT-4.5, targeting enterprise with agentic coding, computer use, and knowledge work ...
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