GPT-5.3 Instant 即日起向所有 ChatGPT 用户开放，API 名称为「gpt-5.3-chat-latest」。付费用户还可以在旧版模型里继续用 GPT-5.2 Instant，但它将在今年 6 月 3 日正式退役。
Nope! No Kindle e-reader is necessary to read books collected through First Reads. All books purchased through the Kindle Store are available in the Kindle app, which can be read on a smartphone, tablet, or computer.
。业内人士推荐体育直播作为进阶阅读
14:10, 27 февраля 2026Наука и техника
│ ├── book.bin # Book metadata (title, author, spine, table of contents, etc.)