AI Compare Ninja
Compare AI tools. Use prompts and skills.
Grok combines search with current web and X content, while ChatGPT puts more emphasis on projects, custom GPTs, and apps around the chat. Both are general AI assistants for research, writing, files, and creative work.
Choose Grok when you want one assistant with web and X search, voice, and image and video features. Choose ChatGPT when projects, custom GPTs, or connected apps shape your workflow. Check either tool's results when current sources or important decisions are involved.
| Criterion | Grok (xAI) | ChatGPT |
|---|---|---|
| Free access | Free plan | Free plan |
| Paid from | Plus · 8 USDMonth | Go · 8 USDmonth |
| Plans in the catalog | 8 | 10 |
| Price zones on record | US prices only | Euro area, Switzerland, Japan, Other / global |
| Vendor and seat | not published | OpenAI OpCo, LLC · USA |
| API prices in the API cost calculator | Included | Included |
| Documented models | Grok 4.6, Grok 4.20 (Reasoning), Grok 4.20 (Non-reasoning) | GPT-6 Astra, GPT-5.6 Sol, GPT-5.6 Terra, GPT-5.6 Luna |
Each vendor separately. The same row does not mean the same plan. Prices follow the selected price region.
Grok is the AI assistant from xAI, the company of SpaceX founders, with real-time web search and direct X platform integration. The free plan provides generous usage limits according to the vendor.
New customers buy The X Subscription instead of the earlier standalone plans. Plus at 8 USD includes Grok models only. Premium at 30 USD, Super at 100 USD, and Ultra at 200 USD share the same weekly pool.
ChatGPT combines chat, files, images, voice and research. Individuals get the levels Free, Go at 8 USD, Plus at 20 USD and Pro from 100 USD per month. Business has separate seat pricing and does not train on business data by default. Consumer data use is separate and can be disabled for future conversations through data controls.
The cheaper paid entry is Grok (xAI) at 8 USD, against 8 USD for ChatGPT. That is the vendor's list price; regional prices can differ.
Grok (xAI): Free plan. ChatGPT: Free plan.
Grok (xAI) is listed under the “Productivity” category, ChatGPT under “Productivity.”
Grok (xAI) documents 9 plans, ChatGPT documents 11 plans, each with price, billing period, and included features.
For Grok (xAI) and ChatGPT, prices, limits, and product details are each based on the current official vendor page. Missing values stay marked as not published rather than being estimated.