马斯克旗下xAI发布新模型Grok 4 Fast，表现比肩GPT-5等AI模型

智通财经网2025-09-23

智通财经APP获悉，埃隆·马斯克旗下的生成式人工智能公司 xAI 在上周五晚些时候公布了其新的推理模型，名为“Grok 4 Fast”。根据 LMArena 最近发布的研究结果，xAI 表示 Grok 4 Fast 的表现优于诸如 OpenAI 的 o3-search、谷歌(GOOGL.US)的Gemini 2.5 Pro 等模型，以及 GPT-5-search 等其他模型。其理由是：“其...

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 既能切换使用智能且成本效益高的模型，也能切换使用更深入的推理模型，同时还能通过其“非推理模型”给出回复。xAI 在其网站上的一篇帖子中表示：“我们利用大规模强化学习技术，以最大限度地提高 Grok 4 Fast 的智能密度。在我们的评估中，Grok 4  Fast 在基准测试中的表现与 Grok 4 相当，同时平均使用的思考词汇数量减少了 40%。”上周有报道称，xAI 正在商讨以 2000 亿美元的估值筹集 100 亿美元资金。然而，马斯克对此作出回应，表示 xAI  “目前并未进行任何融资活动。”马斯克此前曾表示，特斯拉(TSLA.US)可以对 xAI 进行投资。","kind":"highlight","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"1","news_tag":"","news_rank":0,"isVideo":false,"video":null,"symbols":[],"gpt_button":0,"need_auth":false,"need_login_tip":false,"code":"91000000","status":"200"},"commentList":[],"isCommentEnd":true,"newsSizeData":{"likeSize":0,"commentSize":0,"repostSize":0,"favoriteSize":0,"likeStatus":false,"favoriteStatus":false},"APP":{"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; 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