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Grok vs ChatGPT: Which AI Assistant Should You Pay For?
Grok from xAI and ChatGPT from OpenAI are general-purpose AI assistants that both handle chat, images, voice and coding. Both start paid plans at $8/month; Grok shares one usage pool across chat, media, voice and Cursor and includes API access, while ChatGPT offers unlimited GPT-6 text chat for free.
The short answer
Pick Grok if you use X, want image and video generation, or want Grok API access bundled with your plan. Pick ChatGPT if you want unlimited text chat for free, desktop apps for Windows and macOS, or deep research and scheduled tasks.
Side by sideGrok vs ChatGPT
| Grok | ChatGPT | |
|---|---|---|
| Company | xAI (SpaceXAI) | OpenAI |
| Pricing | Freemium | Freemium |
| Starts at | $8/month (Plus) | $8/month (Go) |
| Free tier | Yes | Yes |
| Platforms | web, ios, android, api | web, ios, android, windows, macos |
| Models used | Grok 4.x family (Grok 4.7 listed as xAI's most advanced model on Perplexity's model list) | GPT-6 family (GPT-6.1 Sol, GPT-6 Astra/Sol/Luna) plus GPT-5.6 models |
| Best for | X users and developers who want one subscription covering Grok chat, media generation, coding tools and X perks. | Anyone who wants one assistant that covers everyday questions, writing, coding help, image creation and research. |
Facts in this table come from the verified profile of each product.
Key differences
Plus $8/month, Premium $30, Super $100, Ultra $200; Teams $30+/user/month. Prices exclude taxes.
Go $8/month, Plus $20/month, Pro from $100/month. Prices are geo-localized.
Limited chat and agent requests, limited image generation (Imagine), limited Grok Build and basic X features.
Unlimited GPT-6 text chats (abuse guardrails apply), plus limited uploads, image creation, voice, deep research and Codex access.
Grok 4.x family; Grok 4.7 is listed as xAI's most advanced model.
GPT-6 family (GPT-6.1 Sol, GPT-6 Astra/Sol/Luna) plus GPT-5.6 models.
Image and video generation, plus voice.
Image creation and voice chats; no video generation is listed.
Grok Build and Cursor coding tools; paid plans include Grok API access.
Codex and agent features included in paid plans, with limited Codex access on Free.
Web, iOS, Android, API and X.
Web, iOS, Android, Windows and macOS.
Usage costs vary by product and refresh weekly; third-party models in Cursor are billed separately.
Go may include ads and lacks advanced reasoning models; the highest model access requires Pro.
Choose Grok if…
- You are an X user and want Grok plus X perks in one subscription.
- You want video generation alongside images and voice.
- You want Grok API access included with your paid plan.
- You use Cursor and want one usage pool across chat and coding.
Choose ChatGPT if…
- You want unlimited text chat with GPT-6 on a free plan.
- You need desktop apps for Windows or macOS.
- You want deep research, projects and scheduled tasks.
- You want Codex bundled with your chat subscription.
Frequently asked questions
Is Grok or ChatGPT cheaper?
Both start paid plans at $8/month: Grok Plus and ChatGPT Go. Above that, Grok Premium is $30/month and ChatGPT Plus is $20/month. Grok prices exclude taxes, and ChatGPT prices are geo-localized, so the price in your country may differ.
Which free plan is better, Grok or ChatGPT?
ChatGPT Free offers unlimited GPT-6 text chats plus limited uploads, images, voice and deep research. Grok Free offers limited chat and agent requests, limited image generation and Grok Build, and basic X features. For heavy text chat, ChatGPT's free plan is less restrictive.
Can Grok and ChatGPT generate video?
Grok includes video generation alongside images, voice and coding tools. ChatGPT lists image creation and voice chats; video generation is not listed.
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