As recently as February, Valve made some concessions to this reality in a blog post:
Cover image based on，更多细节参见新收录的资料
on March 02, 2026。新收录的资料对此有专业解读
GPT-5.4 在这一层做了专项加强，引入了原始图像（original）输入模式，支持最高 1024 万像素或 6000 像素最大边长的高保真图像输入；原有的高清（high）模式上限也从此前的标准提升至 256 万像素或 2048 像素最大边长。。新收录的资料对此有专业解读