A detailed side-by-side comparison of Grok and Kimi — capabilities, strengths, and which AI is best for your needs.
Grok by xAI and Kimi by Moonshot AI are two of the leading AI models available today. While both are powerful, they take different approaches and excel in different areas.
Grok is built around Real-time knowledge access, while Kimi focuses on Largest context window (2M tokens). Below we compare them across key capabilities to help you choose the right one for your tasks.
| Feature | ● Grok | ● Kimi |
|---|---|---|
| Provider | xAI | Moonshot AI |
| Latest Model | Grok 3 | Kimi K2 |
| Release Year | 2025 | 2025 |
| Context Window | 128K tokens | 2M tokens |
| Pricing | Free / X Premium $16/mo | Free / API pay-per-use |
| Open Source | No | No |
| Multimodal | Yes | No |
| Web Access | Yes | Yes |
| API Available | Yes | Yes |
| Thinking Mode | Yes | No |
| Image Generation | Yes | No |
| Code Execution | No | No |
| File Upload | Yes | Yes |
| Voice Mode | No | No |
Both Grok and Kimi are excellent AI assistants, but they serve different needs. The best choice depends on your specific use case.
The good news? You can try both for free right here on ChatGPT.org and decide for yourself which one works best for you.
It depends on your needs. Grok excels at Real-time information, Direct answers, while Kimi is stronger at Long document analysis, Research papers. Both are top-tier AI models.
Yes, both Grok and Kimi are available for free on chatgpt.org. No registration required.
Grok has a slight edge in coding tasks, but both models handle code generation, debugging, and explanation very well.
Kimi has a larger context window (2M), compared to Grok's 128K. This matters for long documents.
Grok generally responds faster, though both models deliver quick responses for most tasks.
No. Grok is made by xAI and Kimi is made by Moonshot AI. They use different architectures and have different strengths.