OpenAI GPT-4在文档摘要中幻觉率最低，Vectara排行榜评选
["OpenAI GPT-4在Vectara排行榜上脱颖而出，文档摘要中仅有3%的幻觉率，准确率达到97%。","Vectara评选结果显示，GPT-4Turbo和GPT-4表现最佳，GPT-3.5Turbo居次，非OpenAI模型中Meta Llama最高。","Vectara发布开源模型，可检查语言模型幻觉率，提高生成式AI系统可信度。","谷歌模型在排行榜中表现一般，Google Palm2的幻觉率高达27.2%。"]
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