{"id":147543,"date":"2025-09-24T16:46:53","date_gmt":"2025-09-24T09:46:53","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=147543"},"modified":"2025-09-25T16:00:28","modified_gmt":"2025-09-25T09:00:28","slug":"xai-mo-mien-phi-grok-4-fast-cho-toan-bo-nguoi-dung","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/xai-mo-mien-phi-grok-4-fast-cho-toan-bo-nguoi-dung\/","title":{"rendered":"xAI m\u1edf mi\u1ec5n ph\u00ed Grok 4 Fast cho to\u00e0n b\u1ed9 ng\u01b0\u1eddi d\u00f9ng"},"content":{"rendered":"\n<p><strong>PV Tech News \u2013 xAI v\u1eeba ph\u00e1t h\u00e0nh Grok 4 Fast, phi\u00ean b\u1ea3n AI m\u1edbi v\u1edbi t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i cao v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh th\u1ea5p h\u01a1n. M\u00f4 h\u00ecnh n\u00e0y hi\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1edf mi\u1ec5n ph\u00ed cho to\u00e0n b\u1ed9 ng\u01b0\u1eddi d\u00f9ng tr\u00ean m\u1ecdi n\u1ec1n t\u1ea3ng.<\/strong><\/p>\n\n\n\n<p>C\u00f4ng ty tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o xAI do Elon Musk s\u00e1ng l\u1eadp v\u1eeba ch\u00ednh th\u1ee9c ph\u00e1t h\u00e0nh Grok 4 Fast \u2013 phi\u00ean b\u1ea3n m\u1edbi c\u1ee7a m\u00f4 h\u00ecnh <a href=\"https:\/\/phongvu.vn\/cong-nghe\/xu-huong-ai\/grok-ai\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/xu-huong-ai\/grok-ai\/\" rel=\"noreferrer noopener\">Grok<\/a> v\u1edbi t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i v\u01b0\u1ee3t tr\u1ed9i, hi\u1ec7u su\u1ea5t cao v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u1edf mi\u1ec5n ph\u00ed cho to\u00e0n b\u1ed9 ng\u01b0\u1eddi d\u00f9ng. \u0110\u00e2y \u0111\u01b0\u1ee3c xem l\u00e0 b\u01b0\u1edbc \u0111i chi\u1ebfn l\u01b0\u1ee3c nh\u1eb1m m\u1edf r\u1ed9ng ph\u1ea1m vi ti\u1ebfp c\u1eadn c\u1ee7a xAI tr\u00ean c\u1ea3 n\u1ec1n t\u1ea3ng web, iOS v\u00e0 Android.<\/p>\n\n\n\n<p>Grok 4 Fast \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ed1i \u01b0u kh\u1ea3 n\u0103ng x\u1eed l\u00fd c\u00e1c truy v\u1ea5n \u0111\u01a1n gi\u1ea3n m\u1ed9t c\u00e1ch nhanh ch\u00f3ng m\u00e0 kh\u00f4ng c\u1ea7n ti\u00eau t\u1ed1n nhi\u1ec1u t\u00e0i nguy\u00ean. Nh\u1edd ki\u1ebfn tr\u00fac linh ho\u1ea1t, m\u00f4 h\u00ecnh n\u00e0y ch\u1ec9 s\u1eed d\u1ee5ng kho\u1ea3ng <strong>60% s\u1ed1 token<\/strong> so v\u1edbi Grok 4 b\u1ea3n ti\u00eau chu\u1ea9n, nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea7u ra t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. \u0110i\u1ec1u n\u00e0y gi\u00fap xAI c\u1eaft gi\u1ea3m t\u1edbi 98% chi ph\u00ed v\u1eadn h\u00e0nh m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<p><strong>Xem th\u00eam:<\/strong><a href=\"https:\/\/phongvu.vn\/cong-nghe\/xai-ra-mat-grok-4-fast\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/xai-ra-mat-grok-4-fast\/\" rel=\"noreferrer noopener\"> xAI ra m\u1eaft Grok 4 Fast: M\u00f4 h\u00ecnh c\u00f3 t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i nhanh v\u01b0\u1ee3t tr\u1ed9i<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"810\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast-1440x810.jpg\" alt=\"Bi\u1ec3u \u0111\u1ed3 so s\u00e1nh hi\u1ec7u su\u1ea5t v\u00e0 chi ph\u00ed c\u1ee7a Grok 4 Fast. (Ngu\u1ed3n: x.AI)\" class=\"wp-image-147544\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast-1440x810.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast-300x169.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast-768x432.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast-1536x864.jpg 1536w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast-150x84.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast-600x338.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast-696x392.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast-1392x783.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast-1068x601.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast-747x420.jpg 747w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast-1493x840.jpg 1493w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/09\/bang-grok-4-fast.jpg 1600w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Bi\u1ec3u \u0111\u1ed3 so s\u00e1nh hi\u1ec7u su\u1ea5t v\u00e0 chi ph\u00ed c\u1ee7a Grok 4 Fast. (Ngu\u1ed3n: x.AI)<\/figcaption><\/figure>\n\n\n\n<p>Kh\u00f4ng ch\u1ec9 c\u1ea3i thi\u1ec7n v\u1ec1 t\u1ed1c \u0111\u1ed9, Grok 4 Fast c\u00f2n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i linh ho\u1ea1t gi\u1eefa c\u00e1c ch\u1ebf \u0111\u1ed9 ph\u1ea3n h\u1ed3i nhanh v\u00e0 suy lu\u1eadn chuy\u00ean s\u00e2u, t\u00f9y theo m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a truy v\u1ea5n. Tr\u01b0\u1edbc \u0111\u00e2y, Grok 4 ch\u1ec9 kh\u1ea3 d\u1ee5ng v\u1edbi ng\u01b0\u1eddi d\u00f9ng \u0111\u0103ng k\u00fd g\u00f3i tr\u1ea3 ph\u00ed ho\u1eb7c c\u00f3 quy\u1ec1n truy c\u1eadp cao c\u1ea5p. Gi\u1edd \u0111\u00e2y, b\u1ea5t k\u1ef3 ai c\u0169ng c\u00f3 th\u1ec3 tr\u1ea3i nghi\u1ec7m s\u1ee9c m\u1ea1nh c\u1ee7a m\u00f4 h\u00ecnh n\u00e0y m\u00e0 kh\u00f4ng c\u1ea7n tr\u1ea3 ph\u00ed.<\/p>\n\n\n\n<p>Vi\u1ec7c m\u1edf mi\u1ec5n ph\u00ed Grok 4 Fast cho to\u00e0n b\u1ed9 ng\u01b0\u1eddi d\u00f9ng \u0111\u00e1nh d\u1ea5u m\u1ed9t b\u01b0\u1edbc \u0111i quan tr\u1ecdng c\u1ee7a xAI trong n\u1ed7 l\u1ef1c c\u1ea1nh tranh v\u1edbi c\u00e1c \u00f4ng l\u1edbn trong l\u0129nh v\u1ef1c AI. \u0110\u1ed3ng th\u1eddi, \u0111\u00e2y c\u0169ng l\u00e0 t\u00edn hi\u1ec7u cho th\u1ea5y xu h\u01b0\u1edbng \u0111\u01b0a c\u00f4ng ngh\u1ec7 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o ti\u1ebfp c\u1eadn r\u1ed9ng r\u00e3i h\u01a1n v\u1edbi c\u1ed9ng \u0111\u1ed3ng ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng. Theo d\u00f5i <a href=\"https:\/\/phongvu.vn\/cong-nghe\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/\" rel=\"noreferrer noopener\">Phong V\u0169 Tech News<\/a> \u0111\u1ec3 c\u1eadp nh\u1eadt nh\u1eefng tin t\u1ee9c v\u1ec1 c\u00f4ng ngh\u1ec7 v\u00e0 AI m\u1edbi nh\u1ea5t nh\u00e9!<\/p>\n\n\n\n<p><em>Ngu\u1ed3n: <a href=\"https:\/\/x.ai\/news\/grok-4-fast\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/x.ai\/news\/grok-4-fast\" rel=\"noreferrer noopener nofollow\">X.AI<\/a><\/em><\/p>\n\n\n\n<p><strong>B\u00e0i vi\u1ebft li\u00ean quan: <\/strong><\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/xai-ra-mat-grok-4-fast\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/xai-ra-mat-grok-4-fast\/\" rel=\"noreferrer noopener\">xAI ra m\u1eaft Grok 4 Fast: M\u00f4 h\u00ecnh c\u00f3 t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i nhanh v\u01b0\u1ee3t tr\u1ed9i<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-dung-grok-4-ai-mien-phi-moi-nhat\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/cach-dung-grok-4-ai-mien-phi-moi-nhat\/\" rel=\"noreferrer noopener\">C\u00e1ch d\u00f9ng Grok 4 AI mi\u1ec5n ph\u00ed m\u1edbi nh\u1ea5t<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/grok-2-5-chinh-thuc-duoc-elon-musk-mo-ma-nguon\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/grok-2-5-chinh-thuc-duoc-elon-musk-mo-ma-nguon\/\" rel=\"noreferrer noopener\">Grok 2.5 ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c Elon Musk m\u1edf m\u00e3 ngu\u1ed3n<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>PV Tech News \u2013 xAI v\u1eeba ph\u00e1t h\u00e0nh Grok 4 Fast, phi\u00ean b\u1ea3n AI m\u1edbi v\u1edbi t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i cao v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh th\u1ea5p h\u01a1n. M\u00f4 h\u00ecnh n\u00e0y hi\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1edf mi\u1ec5n ph\u00ed cho to\u00e0n b\u1ed9 ng\u01b0\u1eddi d\u00f9ng tr\u00ean m\u1ecdi n\u1ec1n t\u1ea3ng. C\u00f4ng ty tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o xAI do Elon [&hellip;]<\/p>\n","protected":false},"author":48,"featured_media":147547,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[74,4395,4372],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/147543"}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/48"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=147543"}],"version-history":[{"count":2,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/147543\/revisions"}],"predecessor-version":[{"id":147789,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/147543\/revisions\/147789"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/147547"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=147543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=147543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=147543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}