北京市AI大模型备案数量占全国约30%，居首位，凸显其在政策、人才、技术及产业生态上的领先优势，巩固了“中国AI创新策源地”地位。
Alibaba
-
输入tokens/百万
输出tokens/百万
上下文长度
Bytedance
Baidu
Tencent
$2
Anthropic
$105
$525
200
Chatglm
128
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