{"id":25274,"date":"2026-04-24T21:43:00","date_gmt":"2026-04-24T19:43:00","guid":{"rendered":"https:\/\/www.chinasmartbuy.com\/blog\/?p=25274"},"modified":"2026-04-24T20:51:52","modified_gmt":"2026-04-24T18:51:52","slug":"deepseek-v4-preview-open-weights-api","status":"publish","type":"post","link":"https:\/\/www.chinasmartbuy.com\/blog\/deepseek-v4-preview-open-weights-api\/","title":{"rendered":"DeepSeek-V4 Preview debutta con open-weights e API"},"content":{"rendered":"\n\n<style>\n  :root {\n    --red: #CC1B1B;\n    --red-light: rgba(204,27,27,0.08);\n    --red-mid: #e84040;\n    --accent-soft-bg: rgba(204,27,27,0.07);\n    --accent-soft-border: rgba(204,27,27,0.18);\n    --text: #1a1a1a;\n    --text-muted: #666;\n    --card: #ffffff;\n    --border: #ebebeb;\n    --page-bg: #ffffff;\n    --surface-soft: #fafafa;\n    --surface-contrast: #f0f0f0;\n    --line-soft: #f5f5f5;\n    --soft-label: #bbb;\n    --muted-label: #999;\n    --copy: #333;\n    --font-head: 'Bebas Neue', sans-serif;\n    --font-body: 'DM Sans', sans-serif;\n    --heading-spacing: 0.04em;\n    --heading-weight: 400;\n    --spec-header-spacing: 0.08em;\n    --quickfacts-shadow: 0 10px 24px rgba(15,23,42,0.06);\n  }\n  .fbp5-wrap,.fbp5-wrap * { box-sizing:border-box; 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}\n  @media(max-width:600px) {\n    .fbp5-wrap { padding:0 14px 60px; gap:40px; }\n    .fbp5-section h2 { font-size:32px; }\n    .fbp5-scheda-row { flex-direction:column; }\n    .fbp5-scheda-key { width:100%; }\n    .rh-phonebox-header { padding:18px 16px; flex-direction:column; align-items:center; }\n    .rh-phonebox-hero { width:150px; height:200px; }\n    .rh-phonebox-highlights { grid-template-columns:repeat(2,minmax(0,1fr)); }\n    .rh-phonebox-colors { padding:16px; }\n    .rh-phonebox-section { grid-template-columns:1fr; }\n    .rh-phonebox-section-label { padding:14px 20px; border-right:none; border-bottom:1px solid var(--border); }\n    .rh-phonebox-section-values { padding:14px 20px; }\n    .rh-affbox-grid { grid-template-columns:1fr; }\n    .rh-affbox-col:not(:last-child) { border-right:none; border-bottom:1px solid var(--line-soft); }\n    .rh-affbox-cta { width:100%; }\n  }\n<\/style>\n<div class=\"fbp5-wrap rh-json-article\" id=\"rh-article-mod9obcm-nlknu\" data-rh-article-type=\"news\" data-rh-site-profile=\"china-smart-buy\">\n  <div class=\"fbp5-intro\">\n    \n    <p>DeepSeek ha presentato una preview del suo nuovo modello <strong>DeepSeek-V4<\/strong>, disponibile con accesso ai pesi aperti e tramite API. La novit\u00e0 arriva in due versioni, <strong>Expert<\/strong> e <strong>Instant<\/strong>, con capacit\u00e0 pensate per ragionamento, coding e uso con agenti.<\/p><p>Il dato pi\u00f9 interessante \u00e8 la struttura del modello: DeepSeek-V4 \u00e8 distribuito come open-weights, quindi pu\u00f2 essere scaricato e, in teoria, eseguito su hardware proprio. In pratica servono risorse importanti, ma il progetto apre la strada anche a versioni quantizzate e ottimizzate dalla comunit\u00e0.<\/p>\n  <\/div><figure class=\"wp-block-image size-large\" style=\"margin:18px 0;display:block;clear:both;width:100%;position:relative;z-index:1\"><a href=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/04\/deepseek-v4-preview-con-open-gsmarena-003-1bpmusr1f8.png\" target=\"_blank\" rel=\"noopener\" style=\"display:block;width:100%;position:relative;z-index:2;pointer-events:auto;cursor:zoom-in\"><img decoding=\"async\" src=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/04\/deepseek-v4-preview-con-open-gsmarena-003-1bpmusr1f8.png\" alt=\"DeepSeek-V4 Pro and Flash models\" loading=\"lazy\" style=\"display:block;max-width:100%;height:auto;margin:0 auto;pointer-events:auto\"><\/a><\/figure>\n  \n\n      <section class=\"fbp5-section\">\n        <div class=\"fbp5-section-label\">Panoramica<\/div>\n        <h2>DeepSeek-V4 debutta in preview con <span>due modalit\u00e0 d\u2019uso<\/span><\/h2>\n        <p>La preview di <strong>DeepSeek-V4<\/strong> \u00e8 gi\u00e0 disponibile per chi possiede un account DeepSeek, con accesso tramite la piattaforma chat del servizio. Le due modalit\u00e0 sono <strong>Expert<\/strong>, pensata per i compiti pi\u00f9 pesanti, e <strong>Instant<\/strong>, orientata a risposte pi\u00f9 rapide.<\/p><p>DeepSeek definisce Expert come il modello pi\u00f9 potente della serie, mentre Instant punta a un compromesso pi\u00f9 pratico tra velocit\u00e0 e capacit\u00e0. In entrambi i casi, la novit\u00e0 \u00e8 l\u2019apertura del modello ai pesi scaricabili, un aspetto che lo distingue da molti concorrenti chiusi.<\/p>\n        <ul class=\"fbp5-bullet-list\"><li>Due versioni disponibili: <strong>Expert<\/strong> e <strong>Instant<\/strong>.<\/li><li>Accesso anche in forma di <strong>open-weights<\/strong>, con pesi scaricabili da Hugging Face.<\/li><li>Uso possibile anche tramite <strong>API<\/strong> per chi non vuole eseguire il modello in locale.<\/li><\/ul>\n        <div class=\"rh-quickfacts-grid\">\n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Nome modello<\/div>\n        <div class=\"rh-quickfacts-value\">DeepSeek-V4<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Stato<\/div>\n        <div class=\"rh-quickfacts-value\">Preview<\/div>\n      <\/div>\n    <\/div>\n        <div class=\"fbp5-highlight\"><strong>DeepSeek-V4<\/strong> non \u00e8 solo un aggiornamento incrementale: il punto chiave \u00e8 l\u2019apertura dei pesi, che permette alla comunit\u00e0 di creare varianti compresse e pi\u00f9 gestibili su hardware consumer.<\/div>\n        <div class=\"fbp5-info\">Per l\u2019esecuzione locale servono comunque risorse molto elevate: i modelli completi non sono pensati per un normale PC senza ottimizzazioni.<\/div>\n        \n      <\/section><figure class=\"wp-block-image size-large\" style=\"margin:18px 0;display:block;clear:both;width:100%;position:relative;z-index:1\"><a href=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/04\/deepseek-v4-preview-con-open-gsmarena-001-15oq1bl1f9.png\" target=\"_blank\" rel=\"noopener\" style=\"display:block;width:100%;position:relative;z-index:2;pointer-events:auto;cursor:zoom-in\"><img decoding=\"async\" src=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/04\/deepseek-v4-preview-con-open-gsmarena-001-15oq1bl1f9.png\" alt=\"DeepSeek-V4-Flash benchmark scores\" loading=\"lazy\" style=\"display:block;max-width:100%;height:auto;margin:0 auto;pointer-events:auto\"><\/a><\/figure>\n    \n\n      <section class=\"fbp5-section\">\n        <div class=\"fbp5-section-label\">Specifiche<\/div>\n        <h2>Numeri molto alti: 1,6 trilioni di <span>parametri per Expert<\/span><\/h2>\n        <p>DeepSeek ha pubblicato due configurazioni principali. <strong>Expert<\/strong> arriva a <strong>1,6 trilioni di parametri<\/strong>, mentre <strong>Instant<\/strong> si ferma a <strong>284 miliardi di parametri<\/strong>. Sono cifre enormi, ma solo una parte dei parametri viene attivata davvero durante l\u2019inferenza.<\/p><p>Nel dettaglio, il modello Expert, indicato anche come <strong>V4-Pro<\/strong>, usa <strong>49 miliardi di parametri attivi<\/strong>. Instant, associato a <strong>V4-Flash<\/strong>, ne usa <strong>13 miliardi attivi<\/strong>. Questo incide sui requisiti di memoria video, anche se il modello resta impegnativo da gestire in locale.<\/p><p>La finestra di contesto per entrambe le versioni arriva a <strong>1 milione di token<\/strong>, un valore molto alto e utile per documenti lunghi, codice e carichi di lavoro complessi.<\/p>\n        <ul class=\"fbp5-bullet-list\"><li>Expert: <strong>1,6 trilioni di parametri<\/strong> totali, <strong>49 miliardi attivi<\/strong>.<\/li><li>Instant: <strong>284 miliardi di parametri<\/strong> totali, <strong>13 miliardi attivi<\/strong>.<\/li><li>Finestra di contesto da <strong>1 milione di token<\/strong> per entrambe le versioni.<\/li><\/ul>\n        \n        <div class=\"fbp5-highlight\">La parte pi\u00f9 utile per chi segue l\u2019AI pratica \u00e8 il supporto a versioni quantizzate e distillate: \u00e8 il modo pi\u00f9 realistico per portare un modello di questa classe su macchine meno estreme.<\/div>\n        <div class=\"fbp5-info\">I modelli completi richiedono VRAM importante; se i parametri devono essere spostati tra memoria video e memoria di sistema, la generazione dei token rallenta sensibilmente.<\/div>\n        \n      <div class=\"fbp5-scheda\">\n        <div class=\"fbp5-scheda-header\">Dati tecnici principali<\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Versione Expert<\/div>\n            <div class=\"fbp5-scheda-val\">V4-Pro<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Versione Instant<\/div>\n            <div class=\"fbp5-scheda-val\">V4-Flash<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Tipo di distribuzione<\/div>\n            <div class=\"fbp5-scheda-val\">Open-weights<\/div>\n          <\/div>\n        \n          <div class=\"fbp5-scheda-row\">\n            <div class=\"fbp5-scheda-key\">Esecuzione locale<\/div>\n            <div class=\"fbp5-scheda-val\">Possibile solo con hardware molto potente o con modelli ottimizzati<\/div>\n          <\/div>\n        \n      <\/div>\n    \n      <\/section><figure class=\"wp-block-image size-large\" style=\"margin:18px 0;display:block;clear:both;width:100%;position:relative;z-index:1\"><a href=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/04\/deepseek-v4-preview-con-open-gsmarena-002-1chi8ns1fa.png\" target=\"_blank\" rel=\"noopener\" style=\"display:block;width:100%;position:relative;z-index:2;pointer-events:auto;cursor:zoom-in\"><img decoding=\"async\" src=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/04\/deepseek-v4-preview-con-open-gsmarena-002-1chi8ns1fa.png\" alt=\"DeepSeek-V4-Pro versus its major competitors\" loading=\"lazy\" style=\"display:block;max-width:100%;height:auto;margin:0 auto;pointer-events:auto\"><\/a><\/figure>\n    \n\n      <section class=\"fbp5-section\">\n        <div class=\"fbp5-section-label\">Prestazioni<\/div>\n        <h2>DeepSeek punta su ragionamento, coding e <span>uso con agenti<\/span><\/h2>\n        <p>DeepSeek sostiene che <strong>V4-Flash<\/strong>, il motore dietro la modalit\u00e0 Instant, si avvicini molto a <strong>V4-Pro<\/strong> nelle capacit\u00e0 di ragionamento e si comporti bene anche nelle attivit\u00e0 di tipo agentico pi\u00f9 semplici. \u00c8 il profilo pi\u00f9 interessante per chi cerca un modello rapido ma ancora abbastanza solido.<\/p><p>La versione <strong>V4-Pro<\/strong> viene presentata come la migliore tra i modelli open-weights per ragionamento matematico, discipline STEM e coding. L\u2019azienda la colloca anche molto in alto nella conoscenza generale, con una sola eccezione dichiarata rispetto a <strong>Gemini 3.1 Pro<\/strong> di Google.<\/p><p>DeepSeek-V4 \u00e8 gi\u00e0 compatibile con strumenti diffusi come <strong>Claude Code<\/strong>, <strong>OpenClaw<\/strong> e <strong>OpenCode<\/strong>, un dettaglio utile per chi vuole integrarlo in flussi di lavoro gi\u00e0 esistenti.<\/p>\n        <ul class=\"fbp5-bullet-list\"><li>V4-Flash punta a un buon equilibrio tra velocit\u00e0 e ragionamento.<\/li><li>V4-Pro \u00e8 orientato a matematica, STEM e programmazione.<\/li><li>Compatibilit\u00e0 con strumenti di sviluppo e automazione gi\u00e0 usati in ambito AI.<\/li><\/ul>\n        <div class=\"rh-quickfacts-grid\">\n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">V4-Pro<\/div>\n        <div class=\"rh-quickfacts-value\">Target: ragionamento avanzato e coding<\/div>\n      <\/div>\n    \n      <div class=\"rh-quickfacts-card\">\n        <div class=\"rh-quickfacts-label\">Strumenti supportati<\/div>\n        <div class=\"rh-quickfacts-value\">Claude Code, OpenClaw, OpenCode<\/div>\n      <\/div>\n    <\/div>\n        <div class=\"fbp5-highlight\">Per chi cerca un modello da usare davvero, il dato chiave non \u00e8 solo la potenza teorica, ma la possibilit\u00e0 di integrarlo in strumenti gi\u00e0 noti e di accedervi anche via API.<\/div>\n        <div class=\"fbp5-info\">Non \u00e8 indicato un prezzo di listino per l\u2019uso della chat, mentre per l\u2019API la pagina citata non riporta i valori nel testo disponibile.<\/div>\n        \n      <\/section><figure class=\"wp-block-image size-large\" style=\"margin:18px 0;display:block;clear:both;width:100%;position:relative;z-index:1\"><a href=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/04\/deepseek-v4-preview-con-open-gsmarena-004-1aqqg2y1f9.png\" target=\"_blank\" rel=\"noopener\" 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