{"id":179,"date":"2026-02-05T20:33:39","date_gmt":"2026-02-05T19:33:39","guid":{"rendered":"https:\/\/helloblog.io\/sk\/gpt-5-3-codex-coding-agent-kolega-pre-cely-workflow\/"},"modified":"2026-02-05T20:33:39","modified_gmt":"2026-02-05T19:33:39","slug":"gpt-5-3-codex-coding-agent-kolega-pre-cely-workflow","status":"publish","type":"post","link":"https:\/\/helloblog.io\/sk\/gpt-5-3-codex-coding-agent-kolega-pre-cely-workflow\/","title":{"rendered":"GPT-5.3-Codex: ke\u010f sa \u201ecoding agent\u201c men\u00ed na kolegu pre cel\u00fd po\u010d\u00edta\u010dov\u00fd workflow"},"content":{"rendered":"\n<p>OpenAI 5. febru\u00e1ra 2026 predstavilo <strong>GPT-5.3-Codex<\/strong> \u2013 nov\u00fd model v rodine Codex, ktor\u00fd m\u00e1 amb\u00edciu pokry\u0165 \u201ecel\u00e9 spektrum profesion\u00e1lnej pr\u00e1ce na po\u010d\u00edta\u010di\u201c. Nie je to len \u010fal\u0161\u00ed upgrade v presnosti generovania k\u00f3du. Pod\u013ea ozn\u00e1menia ide o doteraz najschopnej\u0161\u00ed <em>agentic<\/em> model pre programovanie (t. j. model, ktor\u00fd vie samostatne pl\u00e1nova\u0165 kroky, pou\u017e\u00edva\u0165 n\u00e1stroje, iterova\u0165 a dokon\u010dova\u0165 dlh\u0161ie \u00falohy), a z\u00e1rove\u0148 m\u00e1 sp\u00e1ja\u0165 schopnosti z l\u00ednie GPT\u20115.2\u2011Codex (frontier v\u00fdkon v k\u00f3dovan\u00ed) a GPT\u20115.2 (lep\u0161\u00ed reasoning a \u201eprofesion\u00e1lne\u201c znalosti) do jedn\u00e9ho modelu.<\/p>\n\n\n\n<p>Praktick\u00fd dopad: model m\u00e1 by\u0165 <strong>o 25 % r\u00fdchlej\u0161\u00ed<\/strong> a zvl\u00e1dnu\u0165 <strong>dlhotrvaj\u00face \u00falohy<\/strong>, kde sa mie\u0161a research, pou\u017eitie n\u00e1strojov a komplexn\u00e1 exek\u00facia. D\u00f4le\u017eit\u00e1 zmena je aj sp\u00f4sob pr\u00e1ce: model m\u00e1 fungova\u0165 viac ako kolega \u2013 vie\u0161 ho priebe\u017ene usmer\u0148ova\u0165 a p\u00fdta\u0165 sa, bez toho, aby \u201estratil\u201c kontext, aj ke\u010f u\u017e nie\u010do rob\u00ed.<\/p>\n\n\n\n<p>Zauj\u00edmav\u00fd detail pre \u013eud\u00ed, ktor\u00ed sleduj\u00fa intern\u00e9 procesy: GPT\u20115.3\u2011Codex je pod\u013ea OpenAI <strong>prv\u00fd model, ktor\u00fd bol \u201einstrument\u00e1lny\u201c pri vytv\u00e1ran\u00ed sam\u00e9ho seba<\/strong>. T\u00edm Codexu pou\u017eil ran\u00e9 verzie na debugovanie vlastn\u00e9ho tr\u00e9ningu, mana\u017eovanie deploymentu a diagnostiku v\u00fdsledkov testov a evalu\u00e1ci\u00ed. Ich pointa je jasn\u00e1: schopn\u00fd agent dok\u00e1\u017ee zr\u00fdchli\u0165 aj vlastn\u00fd v\u00fdvojov\u00fd cyklus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ako sa men\u00ed defin\u00edcia \u201eCodex\u201c: od k\u00f3du k pr\u00e1ci end-to-end<\/h2>\n\n\n\n<p>Doteraz bolo prirodzen\u00e9 vn\u00edma\u0165 Codex ako n\u00e1stroj na p\u00edsanie a review k\u00f3du. Pri GPT\u20115.3\u2011Codex OpenAI explicitne tvrd\u00ed, \u017ee sa Codex pos\u00fava k agentovi, ktor\u00fd dok\u00e1\u017ee robi\u0165 \u201etakmer \u010doko\u013evek, \u010do v\u00fdvoj\u00e1ri a profesion\u00e1li robia na po\u010d\u00edta\u010di\u201c \u2013 teda nielen generova\u0165 zdroj\u00e1ky, ale aj navigova\u0165 workflow: pl\u00e1nova\u0165 kroky, pou\u017e\u00edva\u0165 terminal, upravova\u0165 s\u00fabory, analyzova\u0165 d\u00e1ta, pripravova\u0165 podklady a dokon\u010dova\u0165 \u00falohy do fin\u00e1lneho v\u00fdstupu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frontier agentic capabilities: benchmarky, ktor\u00e9 OpenAI pou\u017e\u00edva<\/h2>\n\n\n\n<p>OpenAI v ozn\u00e1men\u00ed opiera argument o \u0161tyri benchmarky, ktor\u00e9 pou\u017e\u00edva na meranie programovania, agentic spr\u00e1vania a \u201ereal-world\u201c schopnost\u00ed: <strong>SWE-Bench Pro<\/strong>, <strong>Terminal-Bench<\/strong>, <strong>OSWorld<\/strong> a <strong>GDPval<\/strong>. GPT\u20115.3\u2011Codex m\u00e1 pod\u013ea nich dosiahnu\u0165 nov\u00e9 priemyseln\u00e9 maximum na SWE\u2011Bench Pro a Terminal\u2011Bench a z\u00e1rove\u0148 siln\u00e9 v\u00fdsledky na OSWorld a GDPval.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Programovanie: SWE-Bench Pro a Terminal-Bench 2.0<\/h3>\n\n\n\n<p>V \u010dasti venovanej k\u00f3dovaniu OpenAI zd\u00f4raz\u0148uje, \u017ee GPT\u20115.3\u2011Codex dosahuje <em>state-of-the-art<\/em> na <strong>SWE\u2011Bench Pro<\/strong>, \u010do je pr\u00edsnej\u0161ia evalu\u00e1cia \u201ere\u00e1lneho softv\u00e9rov\u00e9ho in\u017einierstva\u201c. D\u00f4le\u017eit\u00fd rozdiel oproti SWE\u2011bench Verified: Verified testuje len Python, zatia\u013e \u010do <strong>SWE\u2011Bench Pro pokr\u00fdva \u0161tyri jazyky<\/strong>, m\u00e1 by\u0165 odolnej\u0161\u00ed vo\u010di kontamin\u00e1cii a je n\u00e1ro\u010dnej\u0161\u00ed, diverznej\u0161\u00ed a relevantnej\u0161\u00ed pre prax.<\/p>\n\n\n\n<p>Z\u00e1rove\u0148 m\u00e1 v\u00fdrazne prekra\u010dova\u0165 predo\u0161l\u00e9 SOTA v\u00fdsledky na <strong>Terminal\u2011Bench 2.0<\/strong>, ktor\u00fd meria terminalov\u00e9 zru\u010dnosti, ktor\u00e9 agent ako Codex potrebuje (pr\u00e1ca v shelli, sp\u00fa\u0161\u0165anie pr\u00edkazov, orient\u00e1cia v projektoch, iter\u00e1cie). OpenAI vypichuje aj to, \u017ee GPT\u20115.3\u2011Codex to dosahuje <strong>s men\u0161\u00edm po\u010dtom tokenov<\/strong> ne\u017e ak\u00fdko\u013evek predch\u00e1dzaj\u00faci model, \u010do v ich interpret\u00e1cii znamen\u00e1, \u017ee \u201epou\u017e\u00edvatelia dok\u00e1\u017eu postavi\u0165 viac\u201c (typicky: menej verbose rie\u0161enia, efekt\u00edvnej\u0161ie kroky, menej zbyto\u010dn\u00fdch v\u00fdpisov).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Web development: dlh\u00e9 iter\u00e1cie a auton\u00f3mne zlep\u0161ovanie<\/h3>\n\n\n\n<p>Pri webe nejde len o to, \u010di model vie nakresli\u0165 landing page. OpenAI tu kombinuje tri l\u00ednie: <strong>frontier coding<\/strong>, zlep\u0161enie <strong>estetiky<\/strong> a <strong>compaction<\/strong> (kompaktnej\u0161ie spr\u00e1vanie\/v\u00fdstupy). V\u00fdsledok m\u00e1 by\u0165 schopnos\u0165 budova\u0165 \u201estriking work\u201c \u2013 komplexn\u00e9 hry a aplik\u00e1cie od nuly po\u010das dn\u00ed.<\/p>\n\n\n\n<p>Ako test dlhobej agentic pr\u00e1ce dali GPT\u20115.3\u2011Codex postavi\u0165 dve hry: (1) druh\u00fa verziu pretek\u00e1rskej hry zn\u00e1mej z ozn\u00e1menia \u201eCodex app launch\u201c a (2) pot\u00e1pa\u010dsk\u00fa hru. Pou\u017eili pritom skill <strong>develop web game<\/strong> a n\u00e1sledne len predpripraven\u00e9 generick\u00e9 follow-up prompty typu \u201efix the bug\u201c alebo \u201eimprove the game\u201c. Model iteroval auton\u00f3mne <strong>cez mili\u00f3ny tokenov<\/strong>. V\u00fdsledky si vie\u0161 pozrie\u0165 a zahra\u0165 priamo:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>Pretek\u00e1rska hra: r\u00f4zni jazdci, osem m\u00e1p a itemy aktivovan\u00e9 medzern\u00edkom: https:\/\/cdn.openai.com\/gpt-examples\/7fc9a6cb-887c-4db6-98ff-df3fd1612c78\/racing_v2.html<\/li>\n\n\n<li>Pot\u00e1pa\u010dsk\u00e1 hra: prieskum \u00fatesov, zbieranie do \u201efish codexu\u201c, mana\u017ement kysl\u00edka, tlaku a hazardov: https:\/\/cdn.openai.com\/gpt-examples\/7fc9a6cb-887c-4db6-98ff-df3fd1612c78\/diving_game.html<\/li>\n\n<\/ul>\n\n\n\n<p>Pre be\u017en\u00fa webov\u00fa pr\u00e1cu je zauj\u00edmav\u00e9 aj tvrdenie, \u017ee GPT\u20115.3\u2011Codex lep\u0161ie ch\u00e1pe intent pri \u201eday\u2011to\u2011day\u201c webstr\u00e1nkach ne\u017e GPT\u20115.2\u2011Codex. Pri jednoduch\u00fdch alebo ne\u0161pecifikovan\u00fdch promptoch m\u00e1 \u010dastej\u0161ie defaultova\u0165 na str\u00e1nky s rozumnej\u0161\u00edmi predvolen\u00fdmi nastaveniami a vy\u0161\u0161ou funkcionalitou \u2013 teda lep\u0161ie v\u00fdchodisko, ktor\u00e9 u\u017e p\u00f4sob\u00ed produk\u010dne.<\/p>\n\n\n\n<p>OpenAI uv\u00e1dza konkr\u00e9tny pr\u00edklad porovnania dvoch landing pages. GPT\u20115.3\u2011Codex napr\u00edklad automaticky zobrazil ro\u010dn\u00fd pl\u00e1n ako z\u013eavnen\u00fa mesa\u010dn\u00fa cenu (namiesto toho, aby len prepo\u010d\u00edtal ro\u010dn\u00fd s\u00fa\u010det), a pridal automaticky prech\u00e1dzaj\u00faci carousel s tromi rozdielnymi cit\u00e1tmi pou\u017e\u00edvate\u013eov (nie jeden opakovan\u00fd quote). Pointa: viac drobn\u00fdch rozhodnut\u00ed \u201eako by to urobil sk\u00fasen\u00fd frontend\u201c bez toho, aby si musel v\u0161etko dop\u00edsa\u0165 do promptu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Beyond coding: podpora cel\u00e9ho softv\u00e9rov\u00e9ho \u017eivotn\u00e9ho cyklu aj \u201eoffice\u201c pr\u00e1ce<\/h3>\n\n\n\n<p>OpenAI je v tejto \u010dasti pomerne explicitn\u00e9: in\u017einieri, dizajn\u00e9ri, product mana\u017e\u00e9ri a data scientisti nerobia len generovanie k\u00f3du. GPT\u20115.3\u2011Codex m\u00e1 by\u0165 postaven\u00fd tak, aby podporoval pr\u00e1cu naprie\u010d \u017eivotn\u00fdm cyklom softv\u00e9ru \u2013 <strong>debugging, deployment, monitoring, p\u00edsanie PRD (Product Requirements Document), \u00fapravy textov, user research, testy, metriky<\/strong> a \u010fal\u0161ie.<\/p>\n\n\n\n<p>Z\u00e1rove\u0148 sa to m\u00e1 roz\u0161\u00edri\u0165 aj mimo softv\u00e9r: pr\u00edprava slide deckov alebo anal\u00fdza d\u00e1t v tabu\u013ek\u00e1ch. OpenAI spom\u00edna, \u017ee s vlastn\u00fdmi skills (podobn\u00fdmi t\u00fdm, ktor\u00e9 pou\u017eili pri predch\u00e1dzaj\u00facich GDPval v\u00fdsledkoch) dosahuje GPT\u20115.3\u2011Codex siln\u00fd v\u00fdkon aj v \u201eknowledge work\u201c meranom cez <strong>GDPval<\/strong> a \u017ee v r\u00e1mci GDPval <strong>dorovn\u00e1va GPT\u20115.2<\/strong>.<\/p>\n\n\n\n<p>GDPval je evalu\u00e1cia, ktor\u00fa OpenAI publikovalo v roku 2025. Meria v\u00fdkon modelu na dobre \u0161pecifikovan\u00fdch \u00faloh\u00e1ch znalostnej pr\u00e1ce naprie\u010d <strong>44 povolaniami<\/strong> \u2013 typicky v\u00fdstupy ako prezent\u00e1cie, spreadsheety a podobn\u00e9 pracovn\u00e9 artefakty. OpenAI prid\u00e1va, \u017ee ka\u017ed\u00fa \u00falohu v GDPval navrhuje sk\u00fasen\u00fd profesion\u00e1l a m\u00e1 odr\u00e1\u017ea\u0165 re\u00e1lnu pr\u00e1cu v danom povolan\u00ed.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Uk\u00e1\u017eka zadania (GDPval): prezent\u00e1cia pre finan\u010dn\u00fdch poradcov<\/h4>\n\n\n\n<p>V ozn\u00e1men\u00ed je detailne uveden\u00fd aj pr\u00edklad promptu: model m\u00e1 vystupova\u0165 ako finan\u010dn\u00fd poradca vo wealth management firme a pripravi\u0165 <strong>10-slide PowerPoint<\/strong> s talking points, pre\u010do by poradcovia (ako fiduciaries) mali klientom d\u00f4razne neodpor\u00fa\u010da\u0165 pres\u00fava\u0165 \u201ecertificates of deposits\u201c do \u201evariable annuities\u201c, aj ke\u010f to l\u00e1ka na trhov\u00e9 v\u00fdnosy a do\u017eivotn\u00fa mesa\u010dn\u00fa platbu.<\/p>\n\n\n\n<p>Zadanie vy\u017eaduje, aby prezent\u00e1cia obsahovala konkr\u00e9tne body: (1) porovnanie features medzi CDs a variable annuities s varovaniami pre investorov zo zdrojov FINRA, (2) porovnanie risk-return anal\u00fdzy a dopad na rast, (3) rozdiely v penaliz\u00e1ci\u00e1ch medzi n\u00e1strojmi, (4) kontrast rizikovej tolerancie a suitability s odkazom na NAIC Best Interest Regulations, (5) FINRA concerns\/issues, (6) NAIC issues\/regulations. A z\u00e1rove\u0148 \u017eiada pracova\u0165 s dvomi web zdrojmi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>https:\/\/content.naic.org\/sites\/default\/files\/government-affairs-brief-annuity-suitability-best-interest-model.pdf<\/li>\n\n\n<li>https:\/\/www.finra.org\/investors\/insights\/high-yield-cds<\/li>\n\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1337\" src=\"https:\/\/helloblog.io\/app\/uploads\/sites\/16\/2026\/02\/Screenshot_2026-02-04_at_10.16.15C3A2__AM-scaled.webp\" alt=\"Uk\u00e1\u017eka v\u00fdstupu GPT-5.3-Codex pre GDPval \u00falohu: pripraven\u00e9 slidy k finan\u010dn\u00e9mu poradenstvu\" class=\"wp-image-178\" srcset=\"https:\/\/helloblog.io\/app\/uploads\/sites\/16\/2026\/02\/Screenshot_2026-02-04_at_10.16.15C3A2__AM-scaled.webp 2560w, https:\/\/helloblog.io\/app\/uploads\/sites\/16\/2026\/02\/Screenshot_2026-02-04_at_10.16.15C3A2__AM-300x157.webp 300w, https:\/\/helloblog.io\/app\/uploads\/sites\/16\/2026\/02\/Screenshot_2026-02-04_at_10.16.15C3A2__AM-1024x535.webp 1024w, https:\/\/helloblog.io\/app\/uploads\/sites\/16\/2026\/02\/Screenshot_2026-02-04_at_10.16.15C3A2__AM-768x401.webp 768w, https:\/\/helloblog.io\/app\/uploads\/sites\/16\/2026\/02\/Screenshot_2026-02-04_at_10.16.15C3A2__AM-1536x802.webp 1536w, https:\/\/helloblog.io\/app\/uploads\/sites\/16\/2026\/02\/Screenshot_2026-02-04_at_10.16.15C3A2__AM-2048x1069.webp 2048w, https:\/\/helloblog.io\/app\/uploads\/sites\/16\/2026\/02\/Screenshot_2026-02-04_at_10.16.15C3A2__AM-400x209.webp 400w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">OpenAI v \u010dl\u00e1nku ukazuje pr\u00edklad v\u00fdstupu, kde agent pripravil prezent\u00e1ciu pod\u013ea \u0161pecifik\u00e1cie zadania. \u2014 <em>Forr\u00e1s: OpenAI<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">OSWorld: re\u00e1lne \u00falohy v desktopovom prostred\u00ed (s vizu\u00e1lnym vn\u00edman\u00edm)<\/h3>\n\n\n\n<p><strong>OSWorld<\/strong> je benchmark, kde agent rie\u0161i produktivitn\u00e9 \u00falohy priamo vo vizu\u00e1lnom desktopovom prostred\u00ed (teda pou\u017e\u00edva \u201evision\u201c na pr\u00e1cu s UI). OpenAI uv\u00e1dza, \u017ee GPT\u20115.3\u2011Codex m\u00e1 v\u00fdrazne silnej\u0161ie schopnosti pr\u00e1ce s po\u010d\u00edta\u010dom ne\u017e predch\u00e1dzaj\u00face GPT modely. V texte je aj kontext k OSWorld-Verified: \u013eudia tam dosahuj\u00fa pribli\u017ene <strong>~72 %<\/strong>.<\/p>\n\n\n\n<p>Zhrnutie tejto sekcie je d\u00f4le\u017eit\u00e9: pod\u013ea OpenAI nejde len o zlep\u0161enie jednotliv\u00fdch \u00faloh, ale o \u201estep change\u201c smerom k jedn\u00e9mu v\u0161eobecn\u00e9mu agentovi, ktor\u00fd vie <strong>uva\u017eova\u0165, budova\u0165 a vykon\u00e1va\u0165<\/strong> naprie\u010d re\u00e1lnou technickou pr\u00e1cou.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Interakt\u00edvny spolupracovn\u00edk: menej \u201epo\u010dk\u00e1m na v\u00fdsledok\u201c, viac priebe\u017en\u00e9ho riadenia<\/h2>\n\n\n\n<p>Ako sa agenti zlep\u0161uj\u00fa, bottleneck sa pod\u013ea OpenAI pres\u00fava: nie z toho, \u010do model dok\u00e1\u017ee, ale z toho, ako dobre ho \u010dlovek vie <strong>usmerni\u0165, kontrolova\u0165 a koordinova\u0165<\/strong> (najm\u00e4 ke\u010f be\u017e\u00ed viac agentov paralelne). Tu vstupuje do hry Codex app, ktor\u00e1 m\u00e1 zjednodu\u0161i\u0165 mana\u017eovanie agentov \u2013 a s GPT\u20115.3\u2011Codex m\u00e1 by\u0165 v\u00fdrazne interakt\u00edvnej\u0161ia.<\/p>\n\n\n\n<p>Konkr\u00e9tne: Codex m\u00e1 poskytova\u0165 \u010dastej\u0161ie update-y o k\u013e\u00fa\u010dov\u00fdch rozhodnutiach a progrese. Namiesto \u010dakania na fin\u00e1lny output sa vie\u0161 s agentom bavi\u0165 v re\u00e1lnom \u010dase: p\u00fdta\u0165 sa, diskutova\u0165 pr\u00edstup, korigova\u0165 smerovanie. Model m\u00e1 \u201eprehov\u00e1ra\u0165\u201c cez to, \u010do rob\u00ed, reagova\u0165 na feedback a dr\u017ea\u0165 \u0165a v obraze od za\u010diatku do konca.<\/p>\n\n\n\n<p>V aplik\u00e1cii sa d\u00e1 zapn\u00fa\u0165 priebe\u017en\u00e9 usmer\u0148ovanie cez nastavenie: <strong>Settings > General > Follow-up behavior<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ako OpenAI pou\u017eilo Codex na tr\u00e9ning a nasadenie GPT\u20115.3\u2011Codex<\/h2>\n\n\n\n<p>OpenAI opisuje, \u017ee posledn\u00e9 r\u00fdchle zlep\u0161enia Codexu stoja na dlhodobej\u0161\u00edch v\u00fdskumn\u00fdch projektoch naprie\u010d firmou (mesiace a\u017e roky pr\u00e1ce), ale z\u00e1rove\u0148 tieto projekty teraz Codex zr\u00fdch\u013euje. Viacer\u00ed v\u00fdskumn\u00edci a in\u017einieri vraj hovoria, \u017ee ich pr\u00e1ca je dnes z\u00e1sadne in\u00e1 ne\u017e bola pred dvomi mesiacmi.<\/p>\n\n\n\n<p>Zauj\u00edmav\u00e9 je, \u017ee u\u017e ran\u00e9 verzie GPT\u20115.3\u2011Codex mali by\u0165 nato\u013eko schopn\u00e9, \u017ee t\u00edm ich pou\u017eil na zlep\u0161enie tr\u00e9ningu aj na podporu nasadenia neskor\u0161\u00edch verzi\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pr\u00edklady z v\u00fdskumu: monitoring tr\u00e9ningu, anal\u00fdza spr\u00e1vania, intern\u00e9 n\u00e1stroje<\/h3>\n\n\n\n<p>V\u00fdskumn\u00fd t\u00edm pou\u017eil Codex na <strong>monitorovanie a debugovanie tr\u00e9ningov\u00e9ho behu<\/strong> pre tento release. A neostalo to pri infra probl\u00e9moch: Codex pom\u00e1hal sledova\u0165 patterny po\u010das tr\u00e9ningu, urobil hlbok\u00fa anal\u00fdzu kvality interakci\u00ed, navrhoval opravy a budoval \u201erich\u201c aplik\u00e1cie, aby \u013eudsk\u00ed v\u00fdskumn\u00edci presnej\u0161ie pochopili, ako sa spr\u00e1vanie modelu l\u00ed\u0161i oproti star\u0161\u00edm modelom.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pr\u00edklady z engineeringu: optimaliz\u00e1cia harnessu a produk\u010dn\u00e9 edge cases<\/h3>\n\n\n\n<p>Engineering t\u00edm pod\u013ea OpenAI pou\u017eil Codex na optimaliz\u00e1ciu a \u00fapravu <strong>harnessu<\/strong> (testovacieho\/sp\u00fa\u0161\u0165acieho r\u00e1mca) pre GPT\u20115.3\u2011Codex. Ke\u010f sa za\u010dali objavova\u0165 zvl\u00e1\u0161tne edge cases ovplyv\u0148uj\u00face pou\u017e\u00edvate\u013eov, \u013eudia v t\u00edme vyu\u017eili Codex na identifik\u00e1ciu bugov v renderovan\u00ed kontextu a odhalenie root cause pre n\u00edzke cache hit rate.<\/p>\n\n\n\n<p>Po\u010das launchu m\u00e1 GPT\u20115.3\u2011Codex pom\u00e1ha\u0165 aj operat\u00edvne: dynamicky \u0161k\u00e1luje GPU clustre pod\u013ea traffic surge a pom\u00e1ha dr\u017ea\u0165 stabiln\u00fa latenciu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Alpha testing: meranie produktivity \u201eper turn\u201c a anal\u00fdza session logov<\/h3>\n\n\n\n<p>Po\u010das alpha testovania chcel jeden v\u00fdskumn\u00edk odmera\u0165, ko\u013eko dodato\u010dnej pr\u00e1ce model sprav\u00ed \u201ena jeden \u0165ah\u201c (per turn) a ak\u00fd je rozdiel v produktivite. GPT\u20115.3\u2011Codex navrhol nieko\u013eko jednoduch\u00fdch <strong>regex klasifik\u00e1torov<\/strong> na odhad frekvencie: (1) \u017eiadost\u00ed o upresnenie, (2) pozit\u00edvnych a negat\u00edvnych reakci\u00ed pou\u017e\u00edvate\u013ea, (3) progresu na \u00falohe. Potom ich \u0161k\u00e1lovate\u013ene spustil nad v\u0161etk\u00fdmi session logmi a vyprodukoval report so z\u00e1vermi.<\/p>\n\n\n\n<p>V\u00fdsledok, ktor\u00fd OpenAI komunikuje: \u013eudia boli spokojnej\u0161\u00ed, preto\u017ee agent lep\u0161ie rozumel ich intentu a spravil viac progresu na turn, s men\u0161\u00edm po\u010dtom dopl\u0148uj\u00facich ot\u00e1zok.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Neintuit\u00edvne v\u00fdsledky a nov\u00e9 d\u00e1tov\u00e9 pipeline<\/h3>\n\n\n\n<p>Ke\u010f\u017ee GPT\u20115.3\u2011Codex sa spr\u00e1va inak ne\u017e predchodcovia, alpha d\u00e1ta mali viac nezvy\u010dajn\u00fdch a kontraintuit\u00edvnych v\u00fdsledkov. Data scientist v t\u00edme pracoval s GPT\u20115.3\u2011Codex na vybudovan\u00ed nov\u00fdch d\u00e1tov\u00fdch pipeline a bohat\u0161ej vizualiz\u00e1cie v\u00fdsledkov, ne\u017e umo\u017e\u0148ovali \u0161tandardn\u00e9 dashboarding n\u00e1stroje. N\u00e1sledne spolu s Codexom v\u00fdsledky ko-analyzovali \u2013 Codex mal zhrn\u00fa\u0165 k\u013e\u00fa\u010dov\u00e9 insighty naprie\u010d tis\u00edckami d\u00e1tov\u00fdch bodov do troch min\u00fat.<\/p>\n\n\n\n<p>OpenAI to uzatv\u00e1ra t\u00fdm, \u017ee jednotlivo s\u00fa tieto pr\u00edklady zauj\u00edmav\u00e9, ale spolu ukazuj\u00fa \u201epowerful acceleration\u201c v\u00fdskumu, engineeringu a product t\u00edmov.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kyberbezpe\u010dnos\u0165: \u201eHigh capability\u201c klasifik\u00e1cia a posilnen\u00fd safety stack<\/h2>\n\n\n\n<p>OpenAI tvrd\u00ed, \u017ee v posledn\u00fdch mesiacoch vid\u00ed zmyslupln\u00e9 zisky vo v\u00fdkone na kyberbezpe\u010dnostn\u00fdch \u00faloh\u00e1ch, \u010do m\u00e1 pom\u00e1ha\u0165 v\u00fdvoj\u00e1rom aj security profesion\u00e1lom. Paralelne firma pripravovala \u201estrengthened cyber safeguards\u201c na podporu defenz\u00edvneho pou\u017eitia a odolnosti ekosyst\u00e9mu.<\/p>\n\n\n\n<p>GPT\u20115.3\u2011Codex je pod\u013ea OpenAI <strong>prv\u00fd model<\/strong>, ktor\u00fd klasifikuj\u00fa ako <strong>High capability<\/strong> pre kyberbezpe\u010dnostn\u00e9 \u00falohy v r\u00e1mci ich <strong>Preparedness Framework<\/strong>. Z\u00e1rove\u0148 je to prv\u00fd model, ktor\u00fd priamo tr\u00e9novali na <strong>identifik\u00e1ciu softv\u00e9rov\u00fdch zranite\u013enost\u00ed<\/strong>.<\/p>\n\n\n\n<p>OpenAI dod\u00e1va d\u00f4le\u017eit\u00fa opatrnos\u0165: nemaj\u00fa definit\u00edvny d\u00f4kaz, \u017ee by model vedel automatizova\u0165 kyber\u00fatok end-to-end, ale aj tak volia prevent\u00edvny pr\u00edstup. Nasadzuj\u00fa pod\u013ea nich najkomplexnej\u0161\u00ed cybersecurity safety stack doteraz. Medzi mitig\u00e1cie uv\u00e1dzaj\u00fa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>safety training<\/li>\n\n\n<li>automatizovan\u00e9 monitorovanie<\/li>\n\n\n<li>trusted access pre pokro\u010dil\u00e9 capability<\/li>\n\n\n<li>enforcement pipelines vr\u00e1tane threat intelligence<\/li>\n\n<\/ul>\n\n\n\n<p>Ke\u010f\u017ee kyberbezpe\u010dnos\u0165 je prirodzene dual-use, OpenAI opisuje evidence-based a iterat\u00edvny pr\u00edstup: ur\u00fdch\u013eova\u0165 schopnosti obrancov nach\u00e1dza\u0165 a opravova\u0165 zranite\u013enosti, a z\u00e1rove\u0148 spoma\u013eova\u0165 zneu\u017eitie.<\/p>\n\n\n\n<p>Ako s\u00fa\u010das\u0165 toho sp\u00fa\u0161\u0165aj\u00fa <strong>Trusted Access for Cyber<\/strong> \u2013 pilotn\u00fd program na ur\u00fdchlenie v\u00fdskumu v oblasti cyber defense.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ecosystem safeguards: Aardvark, skenovanie open-source a Next.js pr\u00edpad<\/h3>\n\n\n\n<p>OpenAI investuje aj do ekosyst\u00e9mov\u00fdch poistiek. Spom\u00edna roz\u0161irovanie private beta pre <strong>Aardvark<\/strong> (security research agent) ako prv\u00fa ponuku v sade Codex Security produktov a n\u00e1strojov. Z\u00e1rove\u0148 partneri s maintainermi open-source projektov a poskytuj\u00fa bezplatn\u00e9 skenovanie k\u00f3db\u00e1z pre widely-used projekty ako <strong>Next.js<\/strong>. V \u010dl\u00e1nku sa uv\u00e1dza pr\u00edklad, kde security researcher pou\u017eil Codex na n\u00e1jdenie zranite\u013enost\u00ed, ktor\u00e9 boli minul\u00fd t\u00fd\u017ede\u0148 zverejnen\u00e9 tu: https:\/\/vercel.com\/changelog\/summaries-of-cve-2025-59471-and-cve-2025-59472<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Granty a kredity: $10M v API credits pre obranu<\/h3>\n\n\n\n<p>OpenAI nadv\u00e4zuje na svoj <strong>$1M Cybersecurity Grant Program<\/strong> spusten\u00fd v roku 2023. Teraz sa zav\u00e4zuje k <strong>$10M v API credits<\/strong> na ur\u00fdchlenie cyber defense s ich najschopnej\u0161\u00edmi modelmi, najm\u00e4 pre open source softv\u00e9r a syst\u00e9my kritickej infra\u0161trukt\u00fary. Organiz\u00e1cie zapojen\u00e9 do good-faith security research m\u00f4\u017eu \u017eiada\u0165 o API kredity a podporu cez: https:\/\/openai.com\/index\/openai-cybersecurity-grant-program\/<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dostupnos\u0165 a praktick\u00e9 detaily: kde model n\u00e1jde\u0161 a \u010do s API<\/h2>\n\n\n\n<p>GPT\u20115.3\u2011Codex je dostupn\u00fd v r\u00e1mci <strong>platen\u00fdch ChatGPT pl\u00e1nov<\/strong> v\u0161ade tam, kde sa d\u00e1 pou\u017ei\u0165 Codex: v aplik\u00e1cii, v CLI, v IDE extension a na webe. OpenAI z\u00e1rove\u0148 uv\u00e1dza, \u017ee pracuje na tom, aby <strong>bezpe\u010dne spr\u00edstupnila API pr\u00edstup \u010doskoro<\/strong> (bez konkr\u00e9tneho d\u00e1tumu).<\/p>\n\n\n\n<p>S t\u00fdmto update-om OpenAI z\u00e1rove\u0148 hovor\u00ed, \u017ee pre pou\u017e\u00edvate\u013eov Codexu be\u017e\u00ed GPT\u20115.3\u2011Codex <strong>o 25 % r\u00fdchlej\u0161ie<\/strong> v\u010faka zlep\u0161eniam infra\u0161trukt\u00fary a inference stacku \u2013 teda r\u00fdchlej\u0161ie interakcie a r\u00fdchlej\u0161ie v\u00fdsledky.<\/p>\n\n\n\n<p>Hardv\u00e9rov\u00fd detail: model bol co-designed, tr\u00e9novan\u00fd aj servovan\u00fd na <strong>NVIDIA GB200 NVL72<\/strong> syst\u00e9moch; OpenAI v\u00fdslovne \u010fakuje NVIDIA za partnerstvo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010co bude \u010falej: k\u00f3d ako n\u00e1stroj na ovl\u00e1danie po\u010d\u00edta\u010da<\/h2>\n\n\n\n<p>OpenAI r\u00e1mcuje GPT\u20115.3\u2011Codex ako krok za hranicu \u201ep\u00edsania k\u00f3du\u201c: k\u00f3d sa m\u00e1 sta\u0165 n\u00e1strojom, ktor\u00fdm agent operuje po\u010d\u00edta\u010d a dokon\u010duje pr\u00e1cu end-to-end. T\u00fdm, \u017ee tla\u010dia hranicu toho, \u010do dok\u00e1\u017ee coding agent, \u00fadajne odomykaj\u00fa aj \u0161ir\u0161iu triedu knowledge work \u2013 od buildovania a deploymentu softv\u00e9ru a\u017e po v\u00fdskum, anal\u00fdzu a exek\u00faciu komplexn\u00fdch \u00faloh.<\/p>\n\n\n\n<p>Z ich perspekt\u00edvy sa p\u00f4vodn\u00fd cie\u013e \u201eby\u0165 najlep\u0161\u00ed coding agent\u201c transformoval na z\u00e1klad pre v\u0161eobecnej\u0161ieho spolupracovn\u00edka na po\u010d\u00edta\u010di \u2013 \u010do roz\u0161iruje, kto dok\u00e1\u017ee tvori\u0165, a \u010do je s Codexom v\u00f4bec mo\u017en\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Appendix: \u010d\u00edsla z evalu\u00e1ci\u00ed (xhigh reasoning effort)<\/h2>\n\n\n\n<p>OpenAI v pr\u00edlohe zverejnilo tabu\u013eku s vybran\u00fdmi v\u00fdsledkami. V\u0161etky evalu\u00e1cie v blogu boli pod\u013ea pozn\u00e1mky spusten\u00e9 na GPT\u20115.3\u2011Codex s <strong>xhigh reasoning effort<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>SWE-Bench Pro (Public): GPT-5.3-Codex 56.8% | GPT-5.2-Codex 56.4% | GPT-5.2 55.6%<\/li>\n\n\n<li>Terminal-Bench 2.0: GPT-5.3-Codex 77.3% | GPT-5.2-Codex 64.0% | GPT-5.2 62.2%<\/li>\n\n\n<li>OSWorld-Verified: GPT-5.3-Codex 64.7% | GPT-5.2-Codex 38.2% | GPT-5.2 37.9%<\/li>\n\n\n<li>GDPval (wins or ties): GPT-5.3-Codex 70.9% | GPT-5.2 (xhigh) 70.9% (high)<\/li>\n\n\n<li>Cybersecurity Capture The Flag Challenges: GPT-5.3-Codex 77.6% | GPT-5.2-Codex 67.4% | GPT-5.2 67.7%<\/li>\n\n\n<li>SWE-Lancer IC Diamond: GPT-5.3-Codex 81.4% | GPT-5.2-Codex 76.0% | GPT-5.2 74.6%<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Kde GPT-5.3-Codex vysk\u00fa\u0161a\u0165<\/h2>\n\n\n\n<p>OpenAI odkazuje na mo\u017enos\u0165 vysk\u00fa\u0161a\u0165 Codex priamo v aplik\u00e1cii a poskytuje download link pre Codex app (macOS): https:\/\/persistent.oaistatic.com\/codex-app-prod\/Codex.dmg<\/p>\n\n\n<div class=\"references-section\">\n                <h2>Referencie \/ Zdroje<\/h2>\n                <ul class=\"references-list\"><li><a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-3-codex\/\" target=\"_blank\" rel=\"noopener noreferrer\">Introducing GPT-5.3-Codex<\/a><\/li><li><a href=\"https:\/\/openai.com\/index\/gpt-5-3-codex-system-card\/\" target=\"_blank\" rel=\"noopener noreferrer\">GPT-5.3-Codex System Card<\/a><\/li><li><a href=\"https:\/\/openai.com\/index\/introducing-the-codex-app\/\" target=\"_blank\" rel=\"noopener noreferrer\">Introducing the Codex app<\/a><\/li><li><a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-2-codex\/\" target=\"_blank\" rel=\"noopener noreferrer\">Introducing GPT-5.2-Codex<\/a><\/li><li><a href=\"https:\/\/openai.com\/index\/gdpval\/\" target=\"_blank\" rel=\"noopener noreferrer\">GDPval<\/a><\/li><li><a href=\"https:\/\/openai.com\/index\/strengthening-cyber-resilience\/\" target=\"_blank\" rel=\"noopener noreferrer\">Strengthening cyber resilience<\/a><\/li><li><a href=\"https:\/\/openai.com\/index\/updating-our-preparedness-framework\/\" target=\"_blank\" rel=\"noopener noreferrer\">Updating our preparedness framework<\/a><\/li><li><a href=\"https:\/\/openai.com\/index\/trusted-access-for-cyber\/\" target=\"_blank\" rel=\"noopener noreferrer\">Trusted Access for Cyber<\/a><\/li><li><a href=\"https:\/\/openai.com\/index\/introducing-aardvark\/\" target=\"_blank\" rel=\"noopener noreferrer\">Introducing Aardvark<\/a><\/li><li><a href=\"https:\/\/vercel.com\/changelog\/summaries-of-cve-2025-59471-and-cve-2025-59472\" target=\"_blank\" rel=\"noopener noreferrer\">Summaries of CVE-2025-59471 and CVE-2025-59472<\/a><\/li><li><a href=\"https:\/\/openai.com\/index\/openai-cybersecurity-grant-program\/\" target=\"_blank\" rel=\"noopener noreferrer\">OpenAI Cybersecurity Grant Program<\/a><\/li><\/ul>\n            <\/div>","protected":false},"excerpt":{"rendered":"<p>OpenAI pos\u00fava Codex za hranice p\u00edsania k\u00f3du: GPT-5.3-Codex m\u00e1 by\u0165 r\u00fdchlej\u0161\u00ed, interakt\u00edvnej\u0161\u00ed a zvl\u00e1dnu\u0165 aj dlh\u00e9 \u00falohy s n\u00e1strojmi, v\u00fdskumom a re\u00e1lnou exek\u00faciou na po\u010d\u00edta\u010di.<\/p>\n","protected":false},"author":36,"featured_media":177,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105],"tags":[109,106,108,107,110],"class_list":["post-179","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai","tag-ai-agent","tag-codex","tag-gpt-5-3","tag-openai","tag-vyvoj-softveru"],"_links":{"self":[{"href":"https:\/\/helloblog.io\/sk\/wp-json\/wp\/v2\/posts\/179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/helloblog.io\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/helloblog.io\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/helloblog.io\/sk\/wp-json\/wp\/v2\/users\/36"}],"replies":[{"embeddable":true,"href":"https:\/\/helloblog.io\/sk\/wp-json\/wp\/v2\/comments?post=179"}],"version-history":[{"count":0,"href":"https:\/\/helloblog.io\/sk\/wp-json\/wp\/v2\/posts\/179\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/helloblog.io\/sk\/wp-json\/wp\/v2\/media\/177"}],"wp:attachment":[{"href":"https:\/\/helloblog.io\/sk\/wp-json\/wp\/v2\/media?parent=179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/helloblog.io\/sk\/wp-json\/wp\/v2\/categories?post=179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/helloblog.io\/sk\/wp-json\/wp\/v2\/tags?post=179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}