{"id":13701,"date":"2025-08-20T17:50:23","date_gmt":"2025-08-20T17:50:23","guid":{"rendered":"https:\/\/undetectable.ai/blog\/?p=13701"},"modified":"2025-10-02T18:31:12","modified_gmt":"2025-10-02T18:31:12","slug":"mixtral-ai-recenze","status":"publish","type":"post","link":"https:\/\/undetectable.ai/blog\/cs\/mixtral-ai-recenze\/","title":{"rendered":"Mixtral AI Review 2025: Modely, funkce, verdikt"},"content":{"rendered":"<p>Model Mixtral AI je ozna\u010dov\u00e1n za jeden z nejrychlej\u0161\u00edch, nejchyt\u0159ej\u0161\u00edch a nejdostupn\u011bj\u0161\u00edch model\u016f s um\u011blou inteligenc\u00ed.&nbsp;<\/p>\n\n\n\n<p>D\u00edky jedine\u010dn\u00e9mu designu Mixtral of Experts slibuje rychlost, p\u0159esnost a podporu v\u00edce jazyk\u016f, a to v\u0161e p\u0159i zachov\u00e1n\u00ed otev\u0159en\u00e9ho zdrojov\u00e9ho k\u00f3du.<\/p>\n\n\n\n<p>Ale je opravdu tak dobr\u00fd?&nbsp;<\/p>\n\n\n\n<p>M\u016f\u017ee um\u011bl\u00e1 inteligence Mixtral 8x7B Mistral vytv\u00e1\u0159et obsah, kter\u00fd unikne detektor\u016fm um\u011bl\u00e9 inteligence, nebo je to jen m\u00fdtus?<\/p>\n\n\n\n<p>To se dozv\u00edte v tomto blogu.<\/p>\n\n\n\n<p>V tomto \u010dl\u00e1nku Mixtral AI Review 2025 se bl\u00ed\u017ee pod\u00edv\u00e1me na to, jak funguje, jak funguje v re\u00e1ln\u00e9m provozu, kolik stoj\u00ed a co p\u0159in\u00e1\u0161\u00ed nejnov\u011bj\u0161\u00ed aktualizace Mixtral AI.&nbsp;<\/p>\n\n\n\n<p>A co je nejd\u016fle\u017eit\u011bj\u0161\u00ed, otestujeme jeho obsah na detek\u010dn\u00edch n\u00e1stroj\u00edch um\u011bl\u00e9 inteligence, abychom zjistili, zda m\u016f\u017ee b\u00fdt Mixtral pova\u017eov\u00e1n za lidsk\u00fd text.<\/p>\n\n\n\n<p>Poj\u010fme se do toho pono\u0159it.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-text-align-center\"><strong>Kl\u00ed\u010dov\u00e9 poznatky<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Model Mixtral AI je open-source a cenov\u011b dostupn\u00fd. M\u016f\u017eete jej spustit lok\u00e1ln\u011b zdarma (pokud m\u00e1te hardware) nebo pou\u017e\u00edt rozhran\u00ed Mistral API, kter\u00e9 stoj\u00ed m\u00e9n\u011b ne\u017e GPT-3.5.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Postaven na syst\u00e9mu \"Mixtral of Experts\". Pou\u017e\u00edv\u00e1 8 expert\u016f, ale pro ka\u017ed\u00e9 slovo vol\u00e1 pouze 2 nejlep\u0161\u00ed, co\u017e je rychlej\u0161\u00ed a efektivn\u011bj\u0161\u00ed ne\u017e mnoho v\u011bt\u0161\u00edch model\u016f.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u00e1stroje jako GPTZero, Originality.ai, CopyLeaks a Sapling ozna\u010dily obsah Mixtralu jako 100% vytvo\u0159en\u00fd um\u011blou inteligenc\u00ed, zat\u00edmco detektor nedetekovateln\u00e9 um\u011bl\u00e9 inteligence vyhodnotil stejn\u00fd text jako 99% lidsk\u00fd.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nejnov\u011bj\u0161\u00ed aktualizace um\u011bl\u00e9 inteligence Mixtralu vypad\u00e1 slibn\u011b. Podporuje v\u00edce jazyk\u016f, l\u00e9pe sleduje instrukce a chyst\u00e1 se vyd\u00e1n\u00ed \"Mistral-large\". M\u016f\u017ee se st\u00e1t jedn\u00edm z nejsiln\u011bj\u0161\u00edch open-source soupe\u0159\u016f GPT-4.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Co je Mixtral AI?<\/h2>\n\n\n\n<p>Mixtr\u00e1ln\u00ed model um\u011bl\u00e9 inteligence<strong> <\/strong>je \u0161iroce pou\u017e\u00edvan\u00fd jazykov\u00fd model vyvinut\u00fd spole\u010dnost\u00ed Mistral AI.&nbsp;<\/p>\n\n\n\n<p>Pa\u0159\u00ed\u017esk\u00fd startup <em>(b\u00fdval\u00ed v\u00fdzkumn\u00edci spole\u010dnost\u00ed DeepMind a Meta) <\/em>zalo\u017eil spole\u010dnost Mistral AI v roce 2023.<\/p>\n\n\n\n<p>Posl\u00e1n\u00ed spole\u010dnosti je jednoduch\u00e9: \"<em>zp\u0159\u00edstupnit \u0161pi\u010dkov\u00e9 modely um\u011bl\u00e9 inteligence v\u0161em.\"<\/em><\/p>\n\n\n\n<p>To znamen\u00e1, \u017ee si m\u016f\u017eeme st\u00e1hnout model mixtral AI nebo k n\u011bmu p\u0159istupovat prost\u0159ednictv\u00edm rozhran\u00ed API spole\u010dnosti Mistral bez velk\u00fdch omezen\u00ed.&nbsp;<\/p>\n\n\n\n<p>Nyn\u00ed pochopte, pro\u010d se Mixtral stal jedn\u00edm z nejdiskutovan\u011bj\u0161\u00edch model\u016f AI:<\/p>\n\n\n\n<p>Mixtral pou\u017e\u00edv\u00e1 <strong>\"\u0158\u00eddk\u00e1 sm\u011bs odborn\u00edk\u016f\"<\/strong> syst\u00e9m. Co to znamen\u00e1? P\u0159edstavte si, \u017ee m\u00e1 uvnit\u0159 8 miniexpert\u016f, z nich\u017e ka\u017ed\u00fd m\u00e1 ~7 miliard parametr\u016f.&nbsp;<\/p>\n\n\n\n<p>Ale m\u00edsto toho, aby pou\u017eil v\u0161echny experty najednou, vybere chytr\u00fd sm\u011brova\u010d pro ka\u017ed\u00e9 slovo (token) dva nejlep\u0161\u00ed.<\/p>\n\n\n\n<p>Model Mixtral AI funguje dob\u0159e v 5 jazyc\u00edch, jako je angli\u010dtina, francouz\u0161tina, n\u011bm\u010dina, \u0161pan\u011bl\u0161tina a ital\u0161tina. Ve srovn\u00e1vac\u00edch testech \u010dasto p\u0159ekon\u00e1v\u00e1 model LLaMA-2 70B spole\u010dnosti Meta.<\/p>\n\n\n\n<p>Podle Mistral AI, Mixtral 8x7B Mistral AI:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ve v\u011bt\u0161in\u011b srovn\u00e1vac\u00edch test\u016f p\u0159ekon\u00e1v\u00e1 LLaMA-2 70B.<\/li>\n\n\n\n<li>V n\u011bkolika testech se vyrovn\u00e1 nebo p\u0159ekon\u00e1 GPT-3.5.<\/li>\n\n\n\n<li>B\u011b\u017e\u00ed 6\u00d7 rychleji ne\u017e LLaMA-2 70B, p\u0159esto\u017ee je open-source.<\/li>\n<\/ul>\n\n\n\n<p>Nejnov\u011bj\u0161\u00ed aktualizace mixtral AI p\u0159edstavila n\u011bkolik verz\u00ed pro r\u016fzn\u00e9 p\u0159\u00edpady pou\u017eit\u00ed:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Verze<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Popis<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Mixtral-8x7B (z\u00e1kladna)<\/td><td class=\"has-text-align-center\" data-align=\"center\">P\u0159edtr\u00e9novan\u00fd model pro obecn\u00e9 pou\u017eit\u00ed.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Mixtral-8x7B Instruct<\/td><td class=\"has-text-align-center\" data-align=\"center\">Vylad\u011bn\u00e1 verze, optimalizovan\u00e1 pro p\u0159irozen\u011bj\u0161\u00ed sledov\u00e1n\u00ed pokyn\u016f.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Mistral-small&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00darove\u0148 API poh\u00e1n\u011bn\u00e1 syst\u00e9mem Mixtral 8x7B Mistral AI.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Mistral-medium<\/td><td class=\"has-text-align-center\" data-align=\"center\">Siln\u011bj\u0161\u00ed vylep\u0161en\u00e1 verze, kter\u00e1 se v n\u011bkter\u00fdch \u00faloh\u00e1ch bl\u00ed\u017e\u00ed \u00farovni GPT-4.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Mistral-velk\u00fd<\/td><td class=\"has-text-align-center\" data-align=\"center\">Nadch\u00e1zej\u00edc\u00ed model, kter\u00fd by m\u011bl v\u00fdkonem p\u0159ekonat v\u011bt\u0161inu konkurent\u016f.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Jak to funguje?<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Mixtral-AI-002-1024x683.jpg\" alt=\"\" class=\"wp-image-13714\" title=\"\" srcset=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Mixtral-AI-002-1024x683.jpg 1024w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Mixtral-AI-002-300x200.jpg 300w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Mixtral-AI-002-768x512.jpg 768w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Mixtral-AI-002-18x12.jpg 18w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Mixtral-AI-002.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>Pochopme, jak funguje Mixtral odborn\u00edk\u016f:<\/p>\n\n\n\n<p><strong>Krok 1: Tokenizace vstupu<\/strong><\/p>\n\n\n\n<p>N\u00e1\u0161 text je rozd\u011blen na tokeny, co\u017e jsou mal\u00e9 kousky slov nebo znak\u016f.<br><strong>P\u0159\u00edklad: <\/strong>V\u011bta <em>\"Um\u011bl\u00e1 inteligence je mocn\u00e1\"<\/em> lze rozd\u011blit na tokeny jako: Um\u011bl\u00e1 inteligence, je, siln\u00fd.<\/p>\n\n\n\n<p><strong>Krok 2: Sm\u011brov\u00e1n\u00ed<\/strong><\/p>\n\n\n\n<p>Pro ka\u017ed\u00fd token modelu Mixtral AI existuje sm\u011brova\u010d (jako mana\u017eer), kter\u00fd rozhoduje: <em>\"Kte\u0159\u00ed 2 odborn\u00edci jsou pro toto slovo nejlep\u0161\u00ed?\"<\/em><br><strong>P\u0159\u00edklad: <\/strong>Pro symbolickou um\u011blou inteligenci m\u016f\u017ee sm\u011brova\u010d vybrat experta 3 (dobr\u00fd v technice) a experta 7 (dobr\u00fd v jazyce).<\/p>\n\n\n\n<p><strong>Krok 3: Expertn\u00ed zpracov\u00e1n\u00ed<\/strong><\/p>\n\n\n\n<p>Dva vybran\u00ed experti zpracov\u00e1vaj\u00ed token pomoc\u00ed sv\u00fdch vlastn\u00edch znalost\u00ed (dop\u0159edn\u00e9 vrstvy).<\/p>\n\n\n\n<p><strong>Krok 4: Kombinace<\/strong><\/p>\n\n\n\n<p>V\u00fdstupy z t\u011bchto dvou expert\u016f se se\u010dtou do jednoho v\u00fdsledku.<\/p>\n\n\n\n<p><strong>P\u0159\u00edklad:<\/strong> Expert 3 \u0159\u00edk\u00e1, \u017ee \"AI se t\u00fdk\u00e1 stroj\u016f\", expert 7 \u0159\u00edk\u00e1, \u017ee \"AI se t\u00fdk\u00e1 inteligence\". Dohromady model ch\u00e1pe \"um\u011bl\u00e1 inteligence = inteligentn\u00ed stroje\".<\/p>\n\n\n\n<p><strong>Krok 5: Vrstvy transform\u00e1toru<\/strong><\/p>\n\n\n\n<p>Tento proces sm\u011brov\u00e1n\u00ed + expertn\u00ed proces se opakuje ve v\u00edce vrstv\u00e1ch a v ka\u017ed\u00e9m kroku doch\u00e1z\u00ed ke zp\u0159esn\u011bn\u00ed znalost\u00ed.<br>\u2192 Stejn\u011b jako kdy\u017e n\u011bkolikr\u00e1t opravujete n\u00e1vrh eseje, dokud nen\u00ed vybrou\u0161en\u00fd.<\/p>\n\n\n\n<p><strong>Krok 6: Generov\u00e1n\u00ed<\/strong><\/p>\n\n\n\n<p>Nakonec se zpracovan\u00e9 tokeny dek\u00f3duj\u00ed zp\u011bt do lidsky \u010diteln\u00e9ho textu.<br>\u2192 Vstup: Vstup: \"Vysv\u011btlete um\u011blou inteligenci na jednom \u0159\u00e1dku.\"<br>\u2192 V\u00fdstup: \"Um\u011bl\u00e1 inteligence je v\u011bda o tom, jak ud\u011blat stroje chytr\u00fdmi.\"<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kolik stoj\u00ed Mixtral AI?<\/h3>\n\n\n\n<p>Jednou z nejlep\u0161\u00edch vlastnost\u00ed modelu Mixtral AI je, \u017ee je otev\u0159en\u00fd. To znamen\u00e1, \u017ee samotn\u00fd model je voln\u011b ke sta\u017een\u00ed na str\u00e1nk\u00e1ch HuggingFace nebo Mistral pod licenc\u00ed Apache-2.0.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Mo\u017enost<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>N\u00e1klady<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Klady<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Nev\u00fdhody<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>M\u00edstn\u00ed b\u011bh<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Ke sta\u017een\u00ed zdarma, ale pot\u0159ebuje ~64 GB RAM + 2 GPU (drah\u00fd hardware\/cloud)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pln\u00e1 kontrola, \u017e\u00e1dn\u00e9 poplatky API<\/td><td class=\"has-text-align-center\" data-align=\"center\">Vysok\u00e9 n\u00e1klady na z\u0159\u00edzen\u00ed, vy\u017eaduje technick\u00e9 dovednosti<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Mistral API<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">~$0,64 na 1M vstupn\u00edch token\u016f, ~$1,93 na 1M v\u00fdstupn\u00edch token\u016f (levn\u011bj\u0161\u00ed ne\u017e GPT-3.5)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Snadn\u00e9 pou\u017eit\u00ed, nen\u00ed pot\u0159eba \u017e\u00e1dn\u00fd hardware<\/td><td class=\"has-text-align-center\" data-align=\"center\">Plat\u00ed se pr\u016fb\u011b\u017en\u011b, n\u00e1klady se zvy\u0161uj\u00ed p\u0159i intenzivn\u00edm pou\u017e\u00edv\u00e1n\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Le Chat (Chatbot)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Pl\u00e1n zdarma (omezen\u00fd)Pro $14,99\/m\u011bs\u00edcTeam $24,99+\/u\u017eivatel\/m\u011bs\u00edc<\/td><td class=\"has-text-align-center\" data-align=\"center\">Jednoduch\u00e9 u\u017eivatelsk\u00e9 rozhran\u00ed, bez nastaven\u00ed, jako ChatGPT<\/td><td class=\"has-text-align-center\" data-align=\"center\">Limity pou\u017e\u00edv\u00e1n\u00ed v bezplatn\u00e9m pl\u00e1nu, m\u011bs\u00ed\u010dn\u00ed p\u0159edplatn\u00e9 pro pln\u00fd p\u0159\u00edstup<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Jak pou\u017e\u00edvat technologii Mixtral AI: stru\u010dn\u00fd p\u0159ehled<\/h2>\n\n\n\n<p>Model Mixtral AI lze pou\u017e\u00edt dv\u011bma zp\u016fsoby:&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>M\u00edstn\u00ed nasazen\u00ed (self-hosting)<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Pokud chcete m\u00edt plnou kontrolu a m\u00e1te v\u00fdkonn\u00fd hardware, m\u016f\u017eete Mixtral spustit lok\u00e1ln\u011b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>St\u00e1hnout Weight: <\/strong>K dispozici zdarma na str\u00e1nk\u00e1ch HuggingFace nebo Mistral.<\/li>\n\n\n\n<li><strong>Po\u017eadavky:<\/strong> ~64 GB pam\u011bti GPU pro z\u00e1kladn\u00ed model.<\/li>\n\n\n\n<li><strong>Optimalizace:<\/strong> V\u00fdvoj\u00e1\u0159i \u010dasto pou\u017e\u00edvaj\u00ed kvantizaci nebo tenzorov\u00fd paralelismus, aby jej mohli provozovat na men\u0161\u00edch sestav\u00e1ch.<\/li>\n<\/ul>\n\n\n\n<p>\u2192 Vhodn\u00e9 pro v\u00fdzkumn\u00edky, pokro\u010dil\u00e9 v\u00fdvoj\u00e1\u0159e nebo t\u00fdmy, kter\u00e9 cht\u011bj\u00ed m\u00edt v\u0161e pod kontrolou.<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>Cloud API (Mistral Hosted)<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Pokud se nechcete zab\u00fdvat grafick\u00fdmi procesory a nastaven\u00edm, je API Mistralu jednodu\u0161\u0161\u00ed cestou:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zaregistrujte se:<\/strong> Po\u017e\u00e1dejte o p\u0159\u00edstup k jejich hostovan\u00e9mu rozhran\u00ed API.<\/li>\n\n\n\n<li><strong>Pou\u017e\u00edvejte sady SDK:<\/strong> Mistral nab\u00edz\u00ed klientsk\u00e9 knihovny (Python, JavaScript) podobn\u00e9 API OpenAI.<\/li>\n<\/ul>\n\n\n\n<p>\u2192 Skv\u011bl\u00e9 pro firmy nebo v\u00fdvoj\u00e1\u0159e, kte\u0159\u00ed cht\u011bj\u00ed \u0159e\u0161en\u00ed plug-and-play bez starost\u00ed o hardware.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Je ozna\u010den jako obsah vytvo\u0159en\u00fd um\u011blou inteligenc\u00ed?<\/h2>\n\n\n\n<p>U n\u00e1stroj\u016f, jako je model Mixtral AI, je jedna velk\u00e1 ot\u00e1zka: <strong>Dok\u00e1\u017ee jejich text oklamat detektory um\u011bl\u00e9 inteligence?&nbsp;<\/strong><\/p>\n\n\n\n<p>Dnes u\u010ditel\u00e9, podniky a vydavatel\u00e9 pou\u017e\u00edvaj\u00ed tyto detektory ke kontrole, zda psal \u010dlov\u011bk, nebo stroj.&nbsp;<\/p>\n\n\n\n<p>Pokud n\u00e1stroj um\u011bl\u00e9 inteligence st\u00e1le proch\u00e1z\u00ed jako <strong>\"\u010dlov\u011bk,\" <\/strong>m\u016f\u017ee naru\u0161it d\u016fv\u011bru ve \u0161kol\u00e1ch, ve zpravodajstv\u00ed a v odborn\u00e9 pr\u00e1ci.<\/p>\n\n\n\n<p>Abychom to zjistili, vytvo\u0159ili jsme asi 300 slov textu pomoc\u00ed aplikace Mixtral AI Chat.<\/p>\n\n\n\n<p>Pot\u00e9 jsme tento text otestovali s n\u011bkolika zn\u00e1m\u00fdmi detektory um\u011bl\u00e9 inteligence.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"664\" height=\"552\" src=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Mixtral-AI-Chat.jpg\" alt=\"\" class=\"wp-image-13707\" title=\"\" srcset=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Mixtral-AI-Chat.jpg 664w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Mixtral-AI-Chat-300x249.jpg 300w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Mixtral-AI-Chat-14x12.jpg 14w\" sizes=\"auto, (max-width: 664px) 100vw, 664px\" \/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">Test<\/h3>\n\n\n\n<p>Abychom se ujistili, \u017ee test byl spravedliv\u00fd, provedli jsme n\u00e1sleduj\u00edc\u00ed kroky:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vytvo\u0159il jsem uk\u00e1zkov\u00fd text o 300 slovech jednoduch\u00e9ho, v\u011bcn\u00e9ho textu pomoc\u00ed n\u00e1stroje Mixtral 8x7B Mistral AI.<br><\/li>\n\n\n\n<li>Vybrali jsme p\u011bt detektor\u016f: GPTZero, Originality.ai, CopyLeaks, Sapling a dal\u0161\u00ed. <strong>\"Nezjistiteln\u00fd detektor um\u011bl\u00e9 inteligence.\"<\/strong><br><\/li>\n\n\n\n<li>Pou\u017eil stejn\u00fd text na ka\u017ed\u00e9m n\u00e1stroji bez jak\u00fdchkoli pohotov\u00fdch technick\u00fdch a lidsk\u00fdch trik\u016f s vrstven\u00edm.<br><\/li>\n\n\n\n<li>Ulo\u017eili jsme tak\u00e9 sn\u00edmky obrazovky, aby v\u0161e bylo p\u0159ehledn\u00e9.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdsledky<\/h3>\n\n\n\n<p>Z testov\u00e1n\u00ed jsme se dozv\u011bd\u011bli n\u00e1sleduj\u00edc\u00ed:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Detektor<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>V\u00fdsledek<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>V\u00fdklad<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GPTZero<\/td><td class=\"has-text-align-center\" data-align=\"center\">100% generovan\u00fd um\u011blou inteligenc\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">Mixtral bez v\u00e1h\u00e1n\u00ed ozna\u010dil<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Originalita.ai<\/td><td class=\"has-text-align-center\" data-align=\"center\">100% generovan\u00fd um\u011blou inteligenc\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">Shoduje se s publikovanou m\u00edrou detekce ~94%<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Copyleaks<\/td><td class=\"has-text-align-center\" data-align=\"center\">100% generovan\u00fd um\u011blou inteligenc\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">D\u016fsledn\u011b detekov\u00e1no jako AI<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Sapling<\/td><td class=\"has-text-align-center\" data-align=\"center\">100% generovan\u00fd um\u011blou inteligenc\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">Potvrzen\u00e1 detekce jako AI<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Nedetekovateln\u00fd detektor AI<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>100% Generov\u00e1no \u010dlov\u011bkem<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Jedin\u00fd n\u00e1stroj, kter\u00fd klasifikuje text Mixtral jako lidsk\u00fd<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Nulov\u00fd v\u00fdsledek GPT - 100% generovan\u00fd um\u011blou inteligenc\u00ed<\/strong><\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"439\" src=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/GPTZero-Result-1024x439.jpg\" alt=\"\" class=\"wp-image-13708\" title=\"\" srcset=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/GPTZero-Result-1024x439.jpg 1024w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/GPTZero-Result-300x129.jpg 300w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/GPTZero-Result-768x329.jpg 768w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/GPTZero-Result-18x8.jpg 18w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/GPTZero-Result.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>2. <strong>Originalita V\u00fdsledek AI - 100% Generov\u00e1no um\u011blou inteligenc\u00ed<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"861\" height=\"468\" src=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Originality-AI.jpg\" alt=\"\" class=\"wp-image-13709\" title=\"\" srcset=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Originality-AI.jpg 861w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Originality-AI-300x163.jpg 300w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Originality-AI-768x417.jpg 768w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Originality-AI-18x10.jpg 18w\" sizes=\"auto, (max-width: 861px) 100vw, 861px\" \/><\/figure><\/div>\n\n\n<p>3. <strong>Copyleaks V\u00fdsledek - 100% AI-Detekov\u00e1no&nbsp;<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"434\" src=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Copyleaks-AI-Result-1024x434.jpg\" alt=\"\" class=\"wp-image-13710\" title=\"\" srcset=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Copyleaks-AI-Result-1024x434.jpg 1024w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Copyleaks-AI-Result-300x127.jpg 300w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Copyleaks-AI-Result-768x326.jpg 768w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Copyleaks-AI-Result-18x8.jpg 18w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Copyleaks-AI-Result.jpg 1047w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>4. <strong>Sapling V\u00fdsledek - 100% generovan\u00fd um\u011blou inteligenc\u00ed<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"553\" src=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Sapling-Result-1024x553.jpg\" alt=\"\" class=\"wp-image-13711\" title=\"\" srcset=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Sapling-Result-1024x553.jpg 1024w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Sapling-Result-300x162.jpg 300w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Sapling-Result-768x415.jpg 768w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Sapling-Result-18x10.jpg 18w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Sapling-Result.jpg 1137w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>5. <strong>Nedetekovateln\u00fd detektor AI - 99% Generovan\u00fd \u010dlov\u011bkem<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"345\" src=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Undetectable-AI-Detector-1024x345.jpg\" alt=\"\" class=\"wp-image-13713\" title=\"\" srcset=\"https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Undetectable-AI-Detector-1024x345.jpg 1024w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Undetectable-AI-Detector-300x101.jpg 300w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Undetectable-AI-Detector-768x259.jpg 768w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Undetectable-AI-Detector-18x6.jpg 18w, https:\/\/undetectable.ai/blog\/wp-content\/uploads\/2025\/08\/Undetectable-AI-Detector.jpg 1345w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p><strong>Kl\u00ed\u010dov\u00e9 poznatky<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Mixtr\u00e1ln\u00ed model um\u011bl\u00e9 inteligence<\/strong><strong> je zjistiteln\u00fd<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GPTZero, Originality.ai, CopyLeaks a Sapling: 100% ozna\u010den jako AI.<\/li>\n\n\n\n<li>Potvrzuje studii spole\u010dnosti Originality.ai: 94,3% na v\u00fdstupech Mixtral 8x7B Mistral AI.<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>V\u00fdsledek nedetekovateln\u00e9ho detektoru AI<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stejn\u00fd text byl klasifikov\u00e1n jako 99% \u010dlov\u011bk.<\/li>\n\n\n\n<li>Ukazuje odli\u0161n\u00fd p\u0159\u00edstup k hodnocen\u00ed ve srovn\u00e1n\u00ed s jin\u00fdmi detektory.<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Nez\u00e1visl\u00e9 srovn\u00e1vac\u00ed testy (ZDNet)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Test 10 detektor\u016f proveden\u00fd spole\u010dnost\u00ed ZDNet <strong>Nezjistiteln\u00fd detektor um\u011bl\u00e9 inteligence pat\u0159\u00ed mezi nejp\u0159esn\u011bj\u0161\u00ed.<\/strong><\/li>\n\n\n\n<li>Potvrzuje spolehlivost nad r\u00e1mec na\u0161eho intern\u00edho testov\u00e1n\u00ed.<\/li>\n<\/ul>\n\n\n\n<p>P\u0159edb\u011bhn\u011bte detek\u010dn\u00ed syst\u00e9my - ov\u011b\u0159te a zlid\u0161t\u011bte sv\u016fj text pomoc\u00ed na\u0161ich n\u00e1stroj\u016f n\u00ed\u017ee.<\/p>\n\n\n\n<div id=\"uai-widget\" data-affiliate-link=\"https:\/\/undetectable.ai\/?_by=hi4km\"><script>var js = document.createElement(\"script\");js.async = true;js.src = \"https:\/\/widget.undetectable.ai\/js\/widget-loader.js?t=\"+Date.now();document.getElementsByTagName(\"head\")[0].appendChild(js);<\/script><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011bre\u010dn\u00fd verdikt<\/h2>\n\n\n\n<p>N\u00e1\u0161 test uk\u00e1zal, \u017ee text modelu Mixtral AI je obvykle zachycen jako AI n\u00e1stroji jako GPTZero, Originality.ai, CopyLeaks a Sapling.&nbsp;<\/p>\n\n\n\n<p>Ale na\u0161e nezjistiteln\u00e9 <a href=\"https:\/\/undetectable.ai\/\" target=\"_blank\" rel=\"noreferrer noopener\">Detektor um\u011bl\u00e9 inteligence<\/a> posoudil stejn\u00fd text jako 99% \u010dlov\u011bk, co\u017e ukazuje, \u017ee neozna\u010duje obsah chybn\u011b jako AI.<\/p>\n\n\n\n<p>Ji\u017e v nez\u00e1visl\u00e9 recenzi ZDNet byl n\u00e1\u0161 n\u00e1stroj ozna\u010den za jeden z nejp\u0159esn\u011bj\u0161\u00edch detektor\u016f a tento test to potvrzuje.<\/p>\n\n\n\n<p>Stru\u010dn\u011b \u0159e\u010deno:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Jin\u00e9 n\u00e1stroje ozna\u010duj\u00ed modely Mixtral AI jako AI.<\/li>\n\n\n\n<li>N\u00e1\u0161 n\u00e1stroj je \u010dte jako \u010dlov\u011bk, a to s v\u011bt\u0161\u00ed p\u0159esnost\u00ed.<\/li>\n<\/ul>\n\n\n\n<p>Stru\u010dn\u011b \u0159e\u010deno, aktualizace Mistral AI vytv\u00e1\u0159\u00ed dobr\u00fd obsah, ale detektory jej st\u00e1le mohou rozpoznat jako AI. D\u00edky tomu je jasn\u00fd a d\u016fv\u011bryhodn\u00fd, stejn\u011b jako ostatn\u00ed \u0161pi\u010dkov\u00e9 modely.<\/p>\n\n\n\n<p>Zkuste <a href=\"https:\/\/undetectable.ai\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/undetectable.ai\/\" rel=\"noreferrer noopener\">Nezjistiteln\u00e1 AI<\/a> a p\u0159esv\u011bd\u010dte se sami o rozd\u00edlu v p\u0159esnosti.<\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":15,"featured_media":13706,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-13701","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-reviews"],"_links":{"self":[{"href":"https:\/\/undetectable.ai/blog\/cs\/wp-json\/wp\/v2\/posts\/13701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/undetectable.ai/blog\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/undetectable.ai/blog\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/undetectable.ai/blog\/cs\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/undetectable.ai/blog\/cs\/wp-json\/wp\/v2\/comments?post=13701"}],"version-history":[{"count":5,"href":"https:\/\/undetectable.ai/blog\/cs\/wp-json\/wp\/v2\/posts\/13701\/revisions"}],"predecessor-version":[{"id":14863,"href":"https:\/\/undetectable.ai/blog\/cs\/wp-json\/wp\/v2\/posts\/13701\/revisions\/14863"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/undetectable.ai/blog\/cs\/wp-json\/wp\/v2\/media\/13706"}],"wp:attachment":[{"href":"https:\/\/undetectable.ai/blog\/cs\/wp-json\/wp\/v2\/media?parent=13701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/undetectable.ai/blog\/cs\/wp-json\/wp\/v2\/categories?post=13701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/undetectable.ai/blog\/cs\/wp-json\/wp\/v2\/tags?post=13701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}