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Grok 4.3 Beta 規格查核：xAI 官方文件其實講咗咩

官方可核實：xAI 文件列明 Grok 4、grok 4 fast、Grok Business 工作區、Google Drive 整合、X 帳戶連結及多項 API 發布。[1][13][14][15][17][19] 未有官方證實：公開 Grok 4.3 模型頁、Grok 4.3 規格表、2026 年 4 月 17 日 Beta 日期、1T 參數及「比 Grok 4.20 大一倍」等說法。[1][6][10][11][12][14][19] 如果要做產品規劃、採購或 benchmark，暫時應以 xAI 官方 Grok 4／Grok 4 Fast 文件為準，將 Grok 4.3 參數量、訓練時間及測試版存取細節視作未核實。[1...

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Abstract editorial illustration of AI model documentation and Grok 4.3 Beta spec verification
Grok 4.3 Beta Specs: What’s Verified and What Isn’tAI-generated editorial illustration for a Grok 4.3 Beta fact-check.
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Create a landscape editorial hero image for this Studio Global article: Grok 4.3 Beta Specs: What’s Verified and What Isn’t. Article summary: The evidence reviewed verifies Grok 4 and Grok 4 Fast in xAI’s own docs, but not a public Grok 4.3 spec sheet; the April 17, 2026 beta date and 1T parameter claim come from third party or user generated sources, so th.... Topic tags: ai, xai, grok, llm, ai models. Reference image context from search candidates: Reference image 1: visual subject "# Grok 4.3 Beta: xAI's 500B Parameter Surprise, Grok Computer, and What Elon Musk Just Confirmed. Grok 4.3 dropped on April 17 with zero announcement. It is locked behind a $300/mo" source context "Grok 4.3 Beta: xAI's 500B Parameter Surprise, Grok Computer, and What Elon Musk Just Confirmed" Reference image 2: visual subject "# xAI Launches Grok 4.3 Beta: What the Next-Gen AI Model Means for CRE Investors.

openai.com

網上討論 Grok 4.3 Beta，好容易令人一頭霧水：一邊係 xAI 官方產品文件，另一邊係第三方文章、社交帖文同截圖式消息。今次核對到嘅 xAI 材料，的確有 Grok 4、Grok 4 Fast、Grok Business、Google Drive 整合、X 帳戶連結，以及多項 API 發布說明；但未見公開 Grok 4.3 模型頁或規格表。[1][13][14][15][17][19]

呢個分別好關鍵。坊間有來源提到 Grok 4.3 Beta，亦有講法指它喺 2026 年 4 月 17 日以 Beta 形式推出，甚至聲稱模型有 1T 參數。[6][10][11][12] 但喺今次查閱到嘅 xAI 官方來源入面，呢啲 Grok 4.3 專屬規格未獲確認。[1][14][19]

先講結論

最穩陣嘅讀法係：Grok 4 相關產品已經有清楚官方文件；但 Grok 4.3 Beta 嘅具體規格，喺呢批來源中未算官方核實。[1][13][14][15][17][19]

  • 已核實： xAI 有文件記錄 Grok 4、Grok 4 Fast（grok-4-fast）、Grok Business 工作區、Google Drive 連接器、X 帳戶連結，以及多項 API release。[1][13][14][15][17][19]
  • 未有官方核實： 公開 Grok 4.3 模型頁、Grok 4.3 規格表、所謂 2026 年 4 月 17 日 Beta 推出日期、1T 參數量，或者「比 Grok 4.20 大一倍」呢類說法。[1][6][10][11][12][14][19]

xAI 官方文件實際有咩

今次最有力嘅證據，係 xAI 自己嘅文件同 release notes。呢批資料顯示 xAI 產品面其實幾闊，但未見一頁獨立、公開嘅 Grok 4.3 規格文件。[1][13][14][15][17][19]

官方文件項目文件支持到咩判斷
Grok 4xAI 模型頁將 Grok 4 描述為旗艦模型，主打自然語言、數學同推理，並列出工具使用、結構化輸出及推理等能力。[14]官方已記錄
Grok 4 FastxAI 開發者文件將 grok-4-fast 描述為具成本效益嘅推理模型，並列出模型能力及定價相關資料。[19]官方已記錄
Grok Business／EnterprisexAI 文件描述個人及團隊專用工作區，並提到加強私隱及分享控制。[15]官方已記錄
Google Drive 整合Grok Business 文件描述連接器可讓 Grok 搜尋及引用 Google Drive 檔案，同時遵守 Google Drive 權限。[13]官方已記錄
X 帳戶連結xAI FAQ 解釋用戶可喺 Grok Website 設定中，將 X 帳戶連接到 xAI 帳戶。[17]官方已記錄
API release notesxAI release notes 列出 Speech-to-Text、Text-to-Speech API 一般供應、Batch API 支援圖像及影片生成、Grok Voice Agent API、Files API、Responses API，以及 Enterprise API 入面嘅 Grok 4.1 Fast 等項目。[1]官方已記錄

換言之，呢批官方文件足以確認 xAI 已記錄 Grok 4、Grok 4 Fast、商業功能、整合、帳戶功能同開發者 API 更新。[1][13][14][15][17][19] 但它們未足以確認一份獨立嘅 Grok 4.3 官方規格。[1][14][19]

Grok 4.3 傳聞由邊度嚟

Grok 4.3 嘅討論，主要似係由非官方來源帶起。有第三方 AI consulting 文章指 Grok 4.3 Beta 喺 2026 年 4 月 17 日推出，並形容它有更強長上下文處理、多模態影片理解同推理能力。[6] 另一篇 Basenor 文章稱 Elon Musk 確認 Grok 4.3 已作為 early beta 上線，會近乎每日改進，並會之後發布正式 release notes；但呢個說法未見於今次核對嘅 xAI 官方 release notes 或模型頁。[7][1][14][19]

其他來源亦有相近說法，但細節同可信度不一。Chatly 文章稱 Grok 4.3 Beta 靜靜出現喺 Grok 模型選擇器同流動 app，同時又指沒有 press release 或公告帖文。[10] Instagram 片段重複 2026 年 4 月 17 日 Beta 推出嘅講法。[12] 一則用戶生成嘅 X 帖文就聲稱 Grok 4.3 有 1T 參數、比「Grok 4.20」大一倍，而且訓練時間更長。[11]

呢啲來源可以解釋點解大家會講 Grok 4.3，但要用嚟確認模型名稱、可用性或技術規格，證據力始終不及 xAI 官方模型文件同 release notes。[1][6][7][10][11][12][14][19]

逐項查核

流傳說法今次來源中最好嘅證據判斷
Grok 4.3 Beta 已經上線多個第三方或社交來源有呢個講法；但今次查到嘅官方 xAI 文件記錄 Grok 4 同 Grok 4 Fast，未見 Grok 4.3 模型頁。[6][7][10][12][14][19]呢批來源未能官方核實
Grok 4.3 喺 2026 年 4 月 17 日推出第三方及社交片段有提到呢個日期；xAI release notes 來源未列出 Grok 4.3 發布。[6][10][12][1]呢批來源未能官方核實
Grok 4.3 有 1T 參數1T 參數說法來自用戶生成 X 片段；官方 Grok 4 及 Grok 4 Fast 文件未支持呢個數字。[11][14][19]未核實
Grok 4.3 比「Grok 4.20」大一倍、訓練更久呢個比較同樣來自 X 片段；未有提供到嘅官方 xAI 來源確認 Grok 4.20 基準或訓練時長說法。[11][1][14][19]未核實
Grok 4 有官方文件xAI Grok 4 模型頁描述模型及能力。[14]已核實
Grok 4 Fast 有官方文件xAI 開發者文件將 grok-4-fast 描述為具成本效益嘅推理模型。[19]已核實
Grok Business 同 Google Drive 整合有官方文件xAI 文件描述 Grok Business 工作區及 Grok Business 嘅 Google Drive 連接器。[15][13]已核實

點解規格會咁難釐清

混亂位在於三種證據被擺埋一齊講：官方 xAI 文件、第三方整理文章、用戶生成帖文。喺今次來源組合入面，官方文件係最能反映 xAI 實際記錄咗咩嘅資料，包括模型頁、商業功能、帳戶功能、整合及 release notes。[1][13][14][15][17][19]

第三方文章同社交片段可以係有用訊號，顯示某個 beta 或分階段測試可能正被外界討論；但如果要確認參數量、訓練時間、存取層級，或者「Grok 4.3」到底係公開模型名、內部標籤定非正式叫法，它們嘅證據力較弱。[6][7][10][11][12]

對開發者、產品團隊同企業採購嚟講，呢個分別好實際。Grok 4 或 Grok 4 Fast 嘅官方模型頁，可以作為評估同整合嘅依據。[14][19] 但單靠一則聲稱 Grok 4.3 有 1T 參數嘅用戶帖文，未足以支持架構設計、採購決策或 benchmark 假設。[11][14][19]

而家應該點睇

如果你正評估 xAI，用於產品、開發或企業場景，暫時應先圍繞官方已記錄嘅範圍規劃：Grok 4、Grok 4 Fast、Grok Business、Google Drive 整合、X 帳戶連結，以及 xAI release notes 入面列出嘅 API 項目。[1][13][14][15][17][19]

至於 Grok 4.3 專屬說法，特別係 2026 年 4 月 17 日 Beta 日期、1T 參數量，以及「大一倍」比較，應先視為未核實，直到它們出現喺 xAI 自己嘅模型文件、release notes 或其他官方 xAI 來源。[1][6][10][11][12][14][19]

底線

Grok 4.3 Beta 可能係公眾熱議話題，但今次提供到嘅官方證據未能核實其流傳規格。已核實嘅範圍較窄：xAI 有文件記錄 Grok 4、Grok 4 Fast、Grok Business、Google Drive 整合、X 帳戶連結同多項 API 發布。[1][13][14][15][17][19] 在 xAI 發布 Grok 4.3 模型頁或 release note 之前，網上流傳嘅 Grok 4.3 規格表應視作未確認。[1][11][14][19]

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重點

  • 官方可核實：xAI 文件列明 Grok 4、grok 4 fast、Grok Business 工作區、Google Drive 整合、X 帳戶連結及多項 API 發布。[1][13][14][15][17][19]
  • 未有官方證實：公開 Grok 4.3 模型頁、Grok 4.3 規格表、2026 年 4 月 17 日 Beta 日期、1T 參數及「比 Grok 4.20 大一倍」等說法。[1][6][10][11][12][14][19]
  • 如果要做產品規劃、採購或 benchmark，暫時應以 xAI 官方 Grok 4／Grok 4 Fast 文件為準，將 Grok 4.3 參數量、訓練時間及測試版存取細節視作未核實。[11][14][19]

人們還問

「Grok 4.3 Beta 規格查核：xAI 官方文件其實講咗咩」的簡短答案是什麼？

官方可核實：xAI 文件列明 Grok 4、grok 4 fast、Grok Business 工作區、Google Drive 整合、X 帳戶連結及多項 API 發布。[1][13][14][15][17][19]

首先要驗證的關鍵點是什麼？

官方可核實：xAI 文件列明 Grok 4、grok 4 fast、Grok Business 工作區、Google Drive 整合、X 帳戶連結及多項 API 發布。[1][13][14][15][17][19] 未有官方證實：公開 Grok 4.3 模型頁、Grok 4.3 規格表、2026 年 4 月 17 日 Beta 日期、1T 參數及「比 Grok 4.20 大一倍」等說法。[1][6][10][11][12][14][19]

接下來在實務上我該做什麼？

如果要做產品規劃、採購或 benchmark，暫時應以 xAI 官方 Grok 4／Grok 4 Fast 文件為準，將 Grok 4.3 參數量、訓練時間及測試版存取細節視作未核實。[11][14][19]

接下來我應該探索哪個相關主題？

繼續“Claude Security 公測版：Anthropic 點樣用 AI 幫企業掃 code 漏洞”以獲得另一個角度和額外的引用。

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我應該將其與什麼進行比較？

對照「xAI Grok 4.3 API 解讀：1M context、低 token 價與語音平台野心」交叉檢查此答案。

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你

研究問題

Search and fact-check: Why is there confusion about Grok 4.3’s actual specs and what has really shipped so far?

Studio Global AI24 來源

引用的答案

The confusion comes from a mismatch between official xAI documentation and an unofficial social post: in the evidence you provided, xAI’s docs clearly document Grok 4 and Grok 4 Fast, while the only mention of “Grok 4.3 (beta)” is a single X post snippet that claims specific parameter and training details.[2][6][7][23]

So, based on this record, I can verify that Grok 4-era products and features have shipped or at least been officially documented, but I cannot verify any official Grok 4.3 specs; for those, the evidence is insufficient.[2][6][7][23]

Why there is confusion

  • The official xAI docs in this evidence set have pages for Grok 4 and Grok 4 Fast, but not for a separate officially documented model page called Grok 4.3.[2][6][7]
  • The only evidence here that mentions “Grok 4.3 (beta)” is an X post snippet saying it is “officially live” and claiming “1T params,” that it is “twice as big as Grok 4.20,” and that it was trained longer.[23]
  • That creates an evidence gap: people may repeat the X post’s claims as if they were official specs, but the supplied official docs do not confirm those claims.[2][6][7][23]
  • If you weigh reliability, the official xAI docs are the stronger source for what is actually shipped and documented than a single social post snippet.[2][6][7][23]

What has really shipped so far, based on the official docs here

  • Grok 4 is officially documented by xAI as its flagship model, described as offering strong natural language, math, and reasoning performance.[2][6]
  • Grok 4 Fast is also officially documented by xAI as a separate model positioned as a cost-efficient reasoning model.[7]
  • xAI also documents Grok Business / Enterprise, including dedicated personal and team workspaces plus enhanced privacy and sharing controls.[3][4]
  • xAI documents a Google Drive integration for Grok that lets users search and reference personal and team shared Drive files inside Grok chats.[1]
  • xAI’s FAQ also documents account features such as linking an X account sign-in/subscription to an xAI account from Grok Website settings.[5]

What I cannot verify from this evidence

  • I cannot verify an official Grok 4.3 spec sheet from the supplied record.[2][6][7][23]
  • I cannot verify the claimed 1T parameter count, the claim that it is “twice as big as Grok 4.20,” or the claim that it was trained much longer from an official xAI source in this evidence set.[23]
  • I also cannot confirm from this record whether “Grok 4.3” is a real public model name, an internal/beta label, a rollout alias, or just a claim being circulated socially.[23]

Fact-check conclusion

  • Verified: Grok 4, Grok 4 Fast, Grok Business/Enterprise features, Google Drive integration, and account-linking features are all officially documented in the provided xAI materials.[1][2][3][4][5][6][7]
  • Not verified: any official Grok 4.3 specs in the provided evidence.[2][6][7][23]
  • Best reading of the confusion: people are mixing official Grok 4 documentation with an unofficial “Grok 4.3 beta” social claim that is not corroborated by the official docs you supplied.[2][6][7][23]

If you want, I can next turn this into a short “claim vs. evidence” table using only these same sources.

來源

  • [1] Release Notes - xAI Docsdocs.x.ai

    The xAI Speech to Text API is now generally available. The Text-to-Speech API is now generally available. Batch API supports Image and Video generation. The Batch API now supports image generation, image editing, and video generation in addition to chat com...

  • [6] xAI Grok 4.3 Beta: What CRE Investors Need to Knowtheaiconsultingnetwork.com

    xAI Launches Grok 4.3 Beta: What the Next-Gen AI Model Means for CRE Investors. Grok 4.3 is xAI's newest AI model, launched in beta on April 17, 2026, as a significant upgrade to the Grok 4 series with enhanced long-context processing, multimodal video unde...

  • [7] Grok 4.3 Beta Is Live: What to Expect and When - basenorbasenor.com

    The News: Elon Musk confirmed Grok 4.3 is live as an early beta, with near-daily improvements and formal release notes promised as development progresses. Why It Matters: xAI's rapid iteration pace means the AI assistant embedded across Tesla's ecosystem —...

  • [10] xAI Drops Grok 4.3 Beta With Video, Slides & Speech APIs - Chatlychatlyai.app

    xAI Drops Grok 4.3 Beta With Video, Slides & Speech APIs. Grok 4.3 Arrives Quietly, Adds Video, Slides, and New APIs. Try Grok 4.1 Fast on Chatly while you wait for Grok 4.3 to arrive. xAI released Grok 4.3 Beta on April 17, 2026, with no press release or a...

  • [11] Grok 4.3 (beta) is officially live, and the specs are Intresting ...x.com

    With 1T params Grok 4.3 is twice as big as Grok 4.20, and was also trained much longer. It should provide a decent jump in performance. Mark

  • [12] Instagraminstagram.com

    Grok 4.3 Beta quietly launched on April 17, 2026—released as a true early beta, not a polished model.

  • [13] Google Drive Integration with Grok | xAI Docsdocs.x.ai

    Google Drive Integration with Grok. Overview: Connect Google Drive to Grok. Seamlessly search and reference your Google Drive files directly in Grok chats. This integration lets Grok access your team's shared files and your personal files to provide more ac...

  • [14] Grok 4 | xAI Docsdocs.x.ai

    Grok 4 xAI Docs. Grok 4. Our latest and greatest flagship model, offering unparalleled performance in natural language, math and reasoning - the perfect jack of all trades. Request increased rate limitsRead announcement. At a glance. Capabilities. Connect t...

  • [15] Grok Business Guide | xAI Docsdocs.x.ai

    Grok Business / Enterprise. Grok Business provides dedicated workspaces for personal and team use, with enhanced privacy and sharing controls. Switch between workspaces to access team-specific features and ensure your conversations are protected under busin...

  • [17] FAQ - Grok Website / Apps | xAI Docsdocs.x.ai

    How can I link my X account sign-in/subscription to my xAI account? On Grok Website, go to Settings - Account. Click on Connect your X Account button. This will take you to X's SSO page to add X account as a sign-in method for xAI. Grok Website settings to...

  • [19] Grok 4 Fast | xAI Docsdocs.x.ai

    Grok 4 Fast xAI Docs. Grok 4 Fast. We're excited to release grok-4-fast, our latest advancement in cost-efficient reasoning models. Request increased rate limitsRead announcement. At a glance. Capabilities. Connect the xAI model to external tools and system...