OpenAI新闻介绍了 Praktika的对话式语言学习方法。其核心是利用 GPT-4.1和 GPT-5.2构建自适应 AI导师，以个性化课程、跟踪学习进度，并帮助学习者达到真实世界语言流利度。这意味着语言学习工具正进一步把多版本 GPT模型引入一对一式辅导场景。 (First paragraph maybe95 chars but first50 chars conclusion? It says first paragraph must within first50 Chinese characters give one-sentence conclusion. First sentence "OpenAI新闻介绍了 Praktika的对话式语言学习方法。" is28 Chinese chars? Let's count: OpenAI (6 English?) News? Actually Chinese chars:新闻介绍了 (5) Praktika? English.的对话式语言学习方法. That's conclusion. Then second sentence details. But impact? "这意味着..." after50 maybe. First50 Chinese chars include OpenAI新闻介绍了 Praktika的对话式语言学习方法。其核心是... Hmm "其核心是利用..." after. The rule:首段必须在前50个汉字内给出一句话结论，先回答发生了什么及其影响，
来源：OpenAI News