网易有道推出AI学习硬件“有道AI答疑笔Space X”新功能，实现国内首个生成式AI“视频答疑”。该功能突破传统文本推理，能针对各学科问题生成动态板书视频讲解，标志着AI学习硬件进入生成式视频交互新阶段。
Synthesia发布视频虚拟形象平台3.0版，核心新增“视频代理”功能。这些虚拟形象可在视频中与观众实时互动，包括对话、答疑和提问，并能访问企业专属信息，显著提升企业培训、客服等场景的实用性和真实感。
可从文本或图像30秒生成动画教育视频，支持多语言答疑
Openai
$2.8
Input tokens/M
$11.2
Output tokens/M
1k
Context Length
Google
$2.1
$17.5
Alibaba
$2
$20
-
$8
$240
52
$3.9
$15.2
64
$15.8
$12.7
Bytedance
$0.8
256
Baidu
Tencent
24
32
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