Anthropic 为 Claude 输出添加机器可读标记，包含隐形文本水印与数字签名元数据两层，自 8 月 2 日起全球生效。此举主要为遵守欧盟 AI 法案透明度准则，确保内容可溯源。
Google开源AI设计工具Stitch的核心格式DESIGN.md，通过机器可读的标准化协议解决AI Agent界面生成中的品牌一致性问题。该格式整合YAML格式的设计标记（如颜色、字体参数）与纯文本注释，为AI提供直观设计准则和逻辑支撑，使其在生成符合品牌形象的UI界面时，同步遵循WCAG无障碍规则。
Openai
$7.7
输入tokens/百万
$30.8
输出tokens/百万
200
上下文长度
Anthropic
$1.75
$8.75
$5.6
$28
$1.05
$4.2
128
Google
$1
-
$3.5
$10.5
32
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