Comscore发布2026年3月美国桌面端AI聊天机器人市场报告：ChatGPT稳居第一，但Claude快速追赶。3月美国桌面端AI平台吸引4440万独立用户，环比增长超21%，显示技术普及与用户习惯正推动市场扩张。
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