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極速 25 秒搞掂！xAI Grok Imagine Video 1.5 正式登場，AI 拍片加埋同步音效

xAI 嘅 Grok Imagine Video 1.5 現已全面開放，用「快速」模式生成一段 6 秒 720p 影片只需約 25 秒，比上代快近一倍，而且大幅改善咗動態流暢度同物理表現，仲首次加入同步音頻。呢個模型之前已經喺 Image to Video Arena 排行榜登上第一，針對創作者最大痛點，生成嘅片段唔單止動作自然、重量感真實，仲會自動配搭同畫面同步嘅音效。

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A stylized visualization representing AI video generation with abstract motion trails and synchronized audio waveforms emanating from a central processing core, reflecting the Grok — What new AI video model did Elon Musk's xAI unveil on June 17, 2026, and what key improvements does Grok Imagine Video 1.5 offer over its prGrok Imagine Video 1.5 graduates from preview to general availability with a new generation speed and built-in audio.
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Create a landscape editorial hero image for this Studio Global article: What new AI video model did Elon Musk's xAI unveil on June 17, 2026, and what key improvements does Grok Imagine Video 1.5 offer over its pr. Article summary: On June 17, 2026, Elon Musk's xAI officially launched **Grok Imagine Video 1.5**, graduating it from preview to general release via the xAI API and the Grok Imagine app [1][2][10]. Here are the key improvements over its . Topic tags: general, general web, user generated. Reference image context from search candidates: Reference image 1: visual subject "# Grok Imagine Video 1.5 Preview: xAI's Most Powerful AI Video Generator Yet. xAI's Grok Imagine Video 1.5 Preview has claimed #1 on the Image-to-Video Arena leaderboard with a +52" source context "Grok Imagine Video 1.5 Preview — xAI's #1 AI Video Generator" Reference image 2: visual subject "Free Shipping in th
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Elon Musk 旗下嘅人工智能公司 xAI 喺 2026 年 6 月 17 日正式將 Grok Imagine Video 1.5 全面推出，呢個係佢哋王牌嘅「圖像轉影片」模型，正式告別預覽階段，開放俾公眾使用。xAI 形容呢個係佢哋「至今最好嘅圖像轉影片模型」，呢句說話絕非空口講白話，事關早喺幾個禮拜前，佢經已閃電登上 Image-to-Video Arena 排行榜嘅冠軍寶座。今次更新唔係小修小補，而係直接對症下藥，針對 AI 製片嘅核心痛點——速度、真實感同音頻整合——務求令到成個技術更快手、更完整，適合落手落腳做創意工作。

生成速度接近倍增

最令人有感嘅升級，一定係等候時間大幅縮短。Grok Imagine Video 1.5 嘅「快速」模式，能夠喺大約 25 秒內生成一段 6 秒長、720p 解像度嘅影片，速度幾乎係上代嘅一倍，事關上代模型要用超過 40 秒先搞掂。對於要反覆測試視覺概念的創作者同開發者嚟講，呢個改進等同將工作流程斬半，令快速製作原型呢個步驟變得無咁「論盡」，慳返唔少時間。

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