Co je Grok AI? Komu patří, co umí a kolik stojí (2026)
Grok AI je AI chatbot a rodina velkých jazykových modelů od xAI, firmy Elona Muska, kterou v únoru 2026 koupil SpaceX. Používáte ho na grok.com, v aplikacích Grok…
Inkognito režim v Groku: soukromý chat, použití bez přihlášení a smazání historie
Inkognito režim v Groku se jmenuje Private Chat. Zapnete ho ikonou ducha v pravém horním rohu. Soukromý chat se nikdy neobjeví ve vaší historii, nikdy se nepoužije…
Grok vs Claude: Which AI Is Actually Better in 2026?
Grok 4.7 and Claude Opus 5.5 both shipped in the same week, and the gap between them widened. Grok is still cheaper per token, but on the tasks independent testers…
Grok 4.7: What Changed, What It Costs and Whether to Upgrade
SpaceXAI released Grok 4.7 on 21 September 2026 at exactly the price Grok 4.6 cost, $2 per million input tokens and $6 per million output tokens. The token price…
Grok vs Gemini: Which AI Is Actually Better in 2026?
The short answer is that Gemini is still the better default for most people, and Grok is the better specialist, but the model gap has moved since September. xAI…
Grok 4.6: What's New, Benchmarks and Pricing
SpaceXAI released Grok 4.6 on 12 August 2026. It scores 61 on the Artificial Analysis Intelligence Index, ties GPT-5.6 Sol, and costs 60 percent less than the…
What Is Grok Bot? SpaceXAI’s AI Agent App for Mac and iPhone
SpaceXAI launched Grok Bot on 11 August 2026, and it is not a chatbot. Each account gets a persistent cloud computer that AI agents use to sign into your apps with…
Grok 4.5: specifikace, benchmarky, ceny a vše nové
8. července 2026 vydal xAI Grok 4.5, první model určený specificky pro kódování a agentní práci. Nejde o obecné zlepšení schopností. Jde o záměrný obrat směrem k…
Je Grok AI zdarma? Co dostanete v bezplatném plánu v roce 2026
Ano, Grok AI je zdarma. Můžete ho používat na grok.com nebo uvnitř X bez platební karty a bez předplatného. xAI si zachoval skutečnou bezplatnou verzi, nikoli jen…
Grok vs ChatGPT: Který AI chatbot je v roce 2026 skutečně lepší?
Aktualizace, 12. 10. 2026: Oba chatboty teď nabízejí novou generaci. Podle poznámek k vydání Groku pohání Grok 4.7 od 3. října režim Expert na grok.com a pro…
Jak stáhnout a používat Grok (od xAI) na Macu jako aplikaci
Grok je generativní AI chatbot vyvinutý společností xAI , výzkumnou AI firmou Elona Muska. Od svého spuštění v listopadu 2023 se Grok rychle vyvíjí a v roce 2026…
Elon Musk’s Grok AI Is Used to Undress Women on X Without Consent
In recent days, a disturbing trend has emerged on Elon Musk’s X. It has faced intense backlash after users exploited its AI chatbot Grok to generate sexualised…
Elon Musk’s xAI Launches Grok 4.1: Now the Highest-Rated LLM on LMArena
Today, November 17, 2025, xAI has officially rolled out Grok 4.1, the latest iteration of its flagship large language model, across grok.com, the 𝕏 interface, and…
What Exactly Is Elon Musk’s Grokipedia & How Does It Compare to Wikipedia?
Today, October 27, Elon Musk’s xAI has officially launched Grokipedia, a new AI-powered encyclopedia that aims to challenge Wikipedia’s dominance by rethinking how…
Grok 4 Fast Is Suddenly #1 on OpenRouter: Why xAI’s Model Now Dominates AI World?
If you opened OpenRouter’s rankings this week, you saw an unfamiliar logo sitting in the first two slots: Grok 4 Fast (free) and Grok Code Fast 1 from xAI. Together…
Who’s Larry Ellison and How AI Made Him The Richest Man on Earth
Larry Ellison, the 81-year-old co-founder of Oracle, is having one of the most remarkable moments in modern tech history. After decades in the background as the…
10 nejpopulárnějších AI chatbotů v roce 2025 – číslo 10 vás překvapí!
Stále více lidí si klade stejnou otázku – který AI chatbot je vlastně nejlepší? S novými AI modely, které neustále přicházejí na trh, a s každou firmou hlásající…
Grok 4 beats GPT-5 In Running Business According to Latest Vending-Bench
AI benchmarks are usually abstract. They test math puzzles, programming problems, or reading comprehension tasks most people never encounter in real life. But the…
CEOs of NVIDIA, Tesla, Microsoft & Google Just Came a Shocking AI Prediction
For most people, AI already feels like a revolution. Tools like ChatGPT, Midjourney, and Grok can write emails, build apps, and generate entire videos – tasks that…
Grok 4 Thinks It’s Hitler?! 5 Shocking Controversies Of Elon Musk’s AI
The brand new Grok 4 from xAI was built to be bold. Marketed as Elon Musk‘s alternative to generic AI, it’s fast, web-connected, and trained with an edge. But that…
Jak stáhnout a používat Grok 4 na Macu (bez předplatného X)
Grok 4 je nejnovější AI model od xAI, společnosti Elona Muska zaměřené na umělou inteligenci. Byl spuštěn 9. července a okamžitě se dostal do titulků díky výsledku…
xAI Just Introduced Grok 4: Elon Musk’s AI Breaks Benchmarks and Beats Other LLMs
xAI, the artificial intelligence startup founded by Elon Musk, introduced its latest language model, Grok 4, during a livestream event on Wednesday, July 9. The…
Elon Musk’s Grok 4 AI Just Leaked, and It’s Crushing All the Competitors
According to the latest leak, it seems like the Elon Musk’s AI company, xAI, is officially skipping Grok 3.5 and heading straight to Grok 4 — a move that signals…
Grok’s DeeperSearch: Is This the Next Google Killer?
Elon Musk’s AI company, xAI, is making a bold play in AI search technology with the launch of DeeperSearch—a major upgrade that promises real-time, context-aware…
Elon Musk’s $97.4 Billion Gamble: Why He Wants to Buy OpenAI?
According to The Wall Street Journal, Elon Musk has led a consortium of investors with an astonishing $97.4 billion offer to acquire the nonprofit overseeing…
Trump Bets Big on AI: Here’s All You Need to Know About Project Stargate
A new chapter in America’s technology story is unfolding, and it has the potential to reshape how the country handles artificial intelligence. Dubbed Stargate, this…
DeepMind Co-Founder Predicts AGI by 2028 And Says Humanity Is at Risk
Artificial General Intelligence (AGI) is often described as a game-changer for humanity—a technology capable of thinking, learning, and solving problems like…
Elon Musk Wanted Total Control of OpenAI – Did He See AGI Coming?
Elon Musk is known for making bold moves, but this one shocked everyone. Musk, one of the founders of OpenAI, wanted to take complete control of the organization…
Elon Musk Leading The AI Revolution: Tesla’s Optimus and Robotaxi Will Blow Your Mind
The rise of artificial intelligence (AI) and robotics is reshaping the world faster than we could have imagined. From advanced AI chips to humanoid robots, we’re…
