Side by side
| Property | ChatGPT | Grok |
|---|---|---|
| Type | Product | Product |
| Category | AI assistants | AI assistants |
| Made by | OpenAI | xAI |
| Pricing | Free plan + paid | Free plan + paid |
| Open source | No | No |
| API | Yes | Yes |
| Platforms | Web, Desktop, Mobile | Web, Mobile |
| Startup | Yes | Yes |
Features
Only ChatGPT
- file analysis
- agents
Both
- chat
- writing
- web search
- image generation
- voice
Only Grok
None