ChatGPT or Grok: which to choose?
ChatGPT and Grok compared on what matters day to day: price, features, apps and privacy.
Data as of October 22, 2026
Side-by-side comparison
| Criterion | ChatGPT | Grok |
|---|---|---|
| Developer | OpenAI | SpaceXAI (xAI) |
| Country | United States | United States |
| Launched | November 2022 | Not disclosed |
| Free version | Yes, limited | Yes, limited |
| Plans | from $8 / month | from $8 / month |
| Web search | Yes | Yes |
| Agent mode | Yes | Yes |
| File upload | Yes | Yes |
| Image generation | Yes | Yes |
| Voice mode | Yes | Yes |
| Memory | Yes | Yes |
| Code execution | Not disclosed | Not disclosed |
| Autonomous browsing | Not disclosed | Not disclosed |
| Web | Yes | Yes |
| iPhone | Yes | Yes |
| Android | Yes | Yes |
| Windows | Yes | Not disclosed |
| macOS | Yes | Yes |
| Browser extension | Not disclosed | Not disclosed |
| French interface | Yes | Not disclosed |
| Spanish interface | Yes | Not disclosed |
| Opt out of training on your chats | Yes | Yes |
| Temporary chat | Yes | Yes |
| EU data residency | Yes | Not disclosed |
Two assistants head to head
ChatGPT is made by OpenAI, launched in 2022; Grok by SpaceXAI (xAI). Both answer questions, write and summarise, but their plans, features and privacy rules differ.
ChatGPT runs on GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna; Grok runs on Grok 4.7.
Survey carried out on October 22, 2026 from the official pages of both services.
How much does it cost?
- ChatGPT: limited free version
- Grok: limited free version
- ChatGPT: first paid plan at $8 per month
- Grok: first paid plan at $8 per month
Features
Both offer: web search, agent mode, file upload, image generation, voice mode and memory.
In total, of the 8 features we track, 6 are confirmed for ChatGPT and 6 for Grok. A feature may only be available on a paid plan: check before you subscribe.
Apps and languages
Both available on: Web, iPhone, Android and macOS.
Privacy compared
Both allow: opt out of training on your chats and temporary chat.
In short
The best way to decide is still to try both free versions on the same task. To widen the choice, use the AI assistants comparison or the which-AI quiz.
- Choose ChatGPT for teamwork.
- Choose Grok for creating images.
Other comparisons
Frequently asked questions
ChatGPT or Grok: which one is free?
ChatGPT: limited free version. Grok: limited free version.
Which one is cheaper?
A direct comparison is not possible (unpriced plan or different currencies). ChatGPT: first paid plan at $8 per month. Grok: first paid plan at $8 per month.
Which one protects my data best?
ChatGPT, with 3 of three safeguards confirmed (training opt-out, temporary chat, EU data residency), versus 2.
Which one should I choose?
Choose ChatGPT for teamwork. Choose Grok for creating images.
Data sources
Data as of October 22, 2026
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