OpenAI launches three GPT-4.1 series models

According to financial reports, OpenAI has launched three GPT-4.1 series models, GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano, which require API usage. GPT-4.1 is considered a comprehensive upgraded version of GPT-4o, with stronger multimodal processing capabilities, larger context windows (all capable of processing 1 million tokens), and a cost reduction of 26%.