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A compilation of Andrej Karpathy's recent tweets covering a minimal GPT implementation, vibe coding an iOS app, and a detailed comparison of GPT-4.5 with earlier models, offering insights into AI testing and scaling.
A tweet mourning the impending removal of GPT-4.5, encouraging users to experience its creative writing capabilities before it's gone.
OpenAI releases a research preview of GPT-4.5, its largest and most knowledgeable model to date, built on GPT-4o with scaled pre-training, improved emotional intelligence, and fewer hallucinations. The system card details training methods, safety evaluations, and capability assessments conducted prior to deployment.