ChatGPT vs Claude vs Gemini: what costs what
The three largest AI assistants, each in three tiers. This guide puts the plans side by side with today's price in your currency and what the provider lists in each.
Mis à jour le 5 octobre 2026 · les prix du texte sont ceux du jour
ChatGPT
ChatGPT Go (174 CZK a month): more messages with tools, more images and voice chats, contains ads. ChatGPT Plus (436 CZK a month): the GPT-6.1 Sol model, better image generation, the Work agent, Codex, 20 GB storage, no ads. ChatGPT Pro (Standard usage) (2 180 CZK a month): the most capable Pro model, more Work and Codex, 100 GB storage, priority access to new tools.
Pro is sold in three usage tiers; the upper two (ChatGPT Pro (Higher usage) (4 359 CZK a month) and ChatGPT Pro (Maximum) (10 898 CZK a month)) add faster Work and Codex. OpenAI does not state the limits in numbers.
Claude
Claude Free (0 CZK a month): chat, web search, file creation, code execution and memory. Claude Pro (440 CZK a month): higher limits, Claude Code and Claude Science, projects, Claude Design, more models (Opus, Sonnet, Haiku), Claude in Chrome and Microsoft 365. Claude Max 5x (2 202 CZK a month): 5x the Pro usage per session, longer answers, priority access at peak times.
Anthropic lists prices without VAT. Pro is cheaper when paid yearly; Max is billed monthly only.
Gemini
Gemini Google AI Plus (150 CZK a month): 2x the free limits, video generation, 200 Google Flow credits, 400 GB storage. Gemini Google AI Pro (550 CZK a month): 4x the free limits, Gemini 3 Pro, Deep Research, Gemini in Gmail and Docs, 5 TB storage. Gemini Google AI Ultra (5x) (3 000 CZK a month): over 10,000 Flow credits, Project Genie, YouTube Premium, 20+ TB storage.
Google is the only one of the three to list a price in Czech crowns; the others we convert from dollars or euros at the day's rate.
What to pick
You code: Claude Pro or ChatGPT Plus, both carry a coding tool (Claude Code, Codex). You work in Gmail and Google Docs: Google AI Pro. You want only chat and ads do not bother you: ChatGPT Go.
The full comparison including Perplexity, Grok and Microsoft 365 is on the Digital services page. We earn a commission when you buy through a link; it never changes the order.
Fordeal touche une commission lorsque vous achetez via un lien ; cela ne change jamais l'ordre des offres. Chaque prix porte son heure de relevé sur la page du produit.