Side by side
| Feature | Grok | Kimi |
|---|---|---|
| What it does | Frontier AI models from SpaceXAI for chat, code, voice, images and video, available via apps, X and a developer API. | AI assistant from Moonshot AI for chat, agentic coding, slide decks and deep research, aimed at developers and knowledge workers. |
| Price from | 30 USD/mo | 15 USD/mo |
| Free plan | yes | ? |
| Platforms | web, ios, android, api | web, windows, mac |
| API | yes | not stated |
Grok: key features
- Chat with frontier reasoning models
- Real-time web and X search
- Grok Build agentic coding in projects
- Image and video generation (Imagine)
- Voice mode and speech transcription
- Unified API with OpenAI-compatible endpoint
Kimi: key features
- Chat-based AI assistant
- Agentic coding and game building (K3 model)
- Slide generation
- Deep Research mode
- Parallel tasks with Swarm and Goal
- Docs and Sheets creation
FAQ
Is Grok or Kimi better?
It depends on the job - compare prices, free plans and features in the table above.
Are Grok and Kimi free?
Grok: Yes, there is a free plan. Free plan gives access to Grok within generous limits, including voice mode, connectors and real-time web and X search, with limited Grok Bot and Expert features. Kimi: The vendor does not state this clearly on the homepage or pricing page.