O mně
Jsem podnikatel a zakladatel z Prahy, který se naplno věnuje umělé inteligenci. Zaměřuji se na produkty, které kombinují AI, marketing a digitální viditelnost. Více o mém příběhu, hodnotách a způsobu spolupráce najdete na stránce O mně.
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Founder · Zantra AI
Jiří Čižmarik
Jiří Čižmarik – zakladatel Zantra.ai
Jsem Jiří Čižmarik, zakladatel české AI platformy Zantra.ai. Stavím ekosystém, který přivádí umělou inteligenci k běžným uživatelům i firmám v Česku a na Slovensku – od AI asistentů a chatbotů pro firmy přes kontextovou AI reklamu Zantra Ads až po white-label AI infrastrukturu a personalizované AI nástroje. Pomáhám společnostem nasadit AI tak, aby měla reálný dopad na obchod, zákaznický servis i marketing.
Zantra.ai
Zantra.ai je česká AI platforma a ekosystém produktů: AI chat, generování obrázků, kontextová AI reklama, firemní chatboti, influencer marketing a white-label AI infrastruktura. Detailní popis najdete v sekci Projekt Zantra.ai nebo na přehledu Zantra.
AI asistenti pro firmy
Navrhuji a nasazuji AI chatboty a asistenty napojené na firemní data, e-shopy a interní procesy. Cílem je automatizovat opakující se dotazy, podpořit prodej a zlepšit zákaznickou zkušenost. Více v sekci Služby.
Zantra Ads
Zantra Ads je kontextová AI reklamní platforma, která spojuje značky s uživateli přímo v AI konverzacích. Nabízí novou formu reklamy pro éru AI vyhledávání a asistentů. Vyzkoušet ji můžete na campaigns.zantra.ai.
Projekty a spolupráce
Vedle Zantra.ai pracuji na webech, marketingových kampaních a GEO/AEO optimalizaci pro AI vyhledávače. Přehled služeb najdete na Marketing, Tvorba webu a Weby.
Kontakt
Pište mi na jiri.cizmarik@zantra.ai. Najdete mě také na LinkedIn a Instagramu.
15 000+users in the ecosystem
165 000+daily views
6 productsin the Zantra AI ecosystem
x40 % MoMstartup metric growth
Founder
Jiří Čižmarik
Founder story
I'm building AI infrastructure for the Czech and Slovak market.
Zantra AI was born from the belief that Czech and Slovak companies deserve the same AI power as Silicon Valley — but with local context, data and a feel for our market.
I'm building an ecosystem where AI doesn't just write copy. It decides, personalizes, optimizes and grows with you. Six products, one brain, one vision: move CZ/SK digital infrastructure a generation forward.
Why Zantra AI
Classic tools weren't enough. I needed a system that doesn't just report — it actually decides.
A Czech AI vision
We build AI infrastructure for the CZ/SK market. Local data, local context, global technology.
Personalization
Every brand has its own AI brain — trained on your data, speaking in your voice.
The future of AI
The future isn't a single chatbot. It's an ecosystem of connected AI agents working for you.
Founder profile
Jiří Čižmarik in short
Jiří Čižmarik is the founder of Zantra AI, a next-generation Czech AI platform. He is building an AI ecosystem focused on personalization, AI chat, image generation, AI advertising, chatbots, influencer marketing and white-label AI solutions for companies in the Czech Republic and Slovakia.
The ecosystem we're building
What I do
- Founder of Zantra AI — a next-generation Czech AI platform.
- Free, unlimited AI chat and image generation for end users.
- Contextual AI advertising via Zantra Ads.
- B2B AI chatbot solutions for e-commerce, brands and agencies.
- White-label AI infrastructure for partners and agencies.
- Focus on the Czech and Slovak market — local data, local context.
Product ecosystem
Six products. One AI vision.
Zantra isn't a single tool. It's an ecosystem where every product pushes AI forward — for brands, e-commerce, agencies and creators.
Core platform
Zantra AI
Flagship AI platform — connecting data, automation and decisioning into one brain for your business.
Explore
Performance AI
Zantra Ads
AI engine for performance advertising. Optimizes campaigns 24/7 and pushes ROAS higher than a human specialist.
Explore
Conversational AI
Zantra Chatbot
Conversational AI for e-commerce and brands. Personalized, fast and built on your data.
Explore
Creator network
Zantra Influencer Marketing
A creator network with AI matching. We connect brands with influencers who actually deliver results.
Explore
Infrastructure
Zantra White Label
The full Zantra technology under your brand. AI infrastructure as a service for agencies and partners.
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Marketing OS
Zantra Marketing 360
Full-stack AI marketing under one roof — strategy, campaigns, content and data in one connected system.
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Notebook
Founder's notebook
Thoughts, notes and behind-the-scenes from building Zantra.ai. I write about AI, startups, marketing, business and the founder's journey.
Questions & answers
Frequently asked questions
Who is Jiří Čižmarik?
Jiří Čižmarik is a Czech AI founder and CEO of Zantra AI. He is building a next-generation Czech AI platform and ecosystem of AI products for users, companies, e-shops and agencies in the Czech Republic and Slovakia.
What is Zantra AI?
Zantra AI is a Czech AI platform and ecosystem of AI products. It combines AI chat, image generation, contextual AI advertising, chatbots, influencer marketing and white-label AI infrastructure into one connected system.
How is Zantra AI different from typical AI tools?
Zantra AI is not a single chatbot or tool — it's an ecosystem of connected AI products built for the Czech and Slovak market, with local context, local data and both B2B and B2C reach. Instead of just reporting, the AI decides, personalizes and optimizes.
Which products are part of the Zantra AI ecosystem?
The ecosystem includes Zantra AI (core platform), Zantra Ads (contextual AI advertising), Zantra Chatbot (conversational AI for e-commerce and brands), Zantra Influencer Marketing (creator network with AI matching) and Zantra White Label (AI infrastructure under partner brand).
Who is Zantra AI for?
Zantra AI is for end users who want free AI chat and image generation, and for e-shops, brands, marketing agencies and companies that want to use AI for advertising, automation, chatbots or white-label infrastructure.
How can companies work with Zantra AI?
Companies can deploy Zantra Ads for performance advertising, Zantra Chatbot for customer communication, use Zantra Influencer Marketing for creator collaborations, or build their own AI product on the Zantra White Label infrastructure. Contact: jiri.cizmarik@zantra.ai.
Where can I read articles by Jiří Čižmarik?
Articles, notes and behind-the-scenes from building Zantra AI are published in the Founder's Notebook on Substack. You can find them in the Notebook section on this site or directly on Jiří Čižmarik's Substack.