# Grok vs Kimi

> Grok: xAI's AI assistant with live X and web search, image and voice tools
> Kimi: Chat, research and agent assistant from Moonshot AI, built on its Kimi K3 model

- Grok profile: https://finderatlas.com/tools/grok
- Kimi profile: https://finderatlas.com/tools/kimi
- Comparison page: https://finderatlas.com/compare/grok-vs-kimi
- Last reviewed: October 2026

## Verdict

Grok and Kimi are both AI Assistants tools. Grok scores higher in FinderAtlas's editorial review (8.3 vs 7.9 out of 10). Both have a free plan or trial. Only Grok is available on Android. Only Kimi is available on macOS.

### Choose Grok if

- You want a tool built for questions that need current information from X and the web.
- Searches both X posts and the web for current information.
- Free tier available without a subscription.

### Choose Kimi if

- You want a tool built for Long-form research, generating slide decks and documents, parallel agent tasks, coding assistance with Kimi Code.
- International USD plans start at $19/month and include Kimi Code and Agent Swarm.
- Broad agent toolset: deep research, slides, documents, spreadsheets, website building and scheduled tasks.

## Pricing

| | Grok | Kimi |
| --- | --- | --- |
| Pricing model | Freemium | Freemium |
| Free plan or trial | Yes | Yes |
| Starting price | $0 | $0 |

## Features

| Feature | Grok | Kimi |
| --- | --- | --- |
| Live Search | Yes | Not listed |
| Chat and Reasoning | Yes | Not listed |
| File and Image Analysis | Yes | Not listed |
| Grok Imagine | Yes | Not listed |
| Voice Mode | Yes | Not listed |
| Conversation Import | Yes | Not listed |
| Shared Subscription | Yes | Not listed |
| xAI API | Yes | Not listed |
| Kimi K3 Assistant | Not listed | Yes |
| Agent Swarm | Not listed | Yes |
| Deep Research | Not listed | Yes |
| Presentations and Documents | Not listed | Yes |
| App and Website Builder | Not listed | Yes |
| Scheduled Tasks and Projects | Not listed | Yes |
| Kimi Code | Not listed | Yes |
| Plugins | Not listed | Yes |
| Goal Mode | Not listed | Yes |

## Platforms

| Platform | Grok | Kimi |
| --- | --- | --- |
| Web | Yes | Yes |
| Windows | No | No |
| macOS | No | Yes |
| iOS | Yes | Yes |
| Android | Yes | No |
| API | Yes | Yes |
| Browser Extension | No | No |

## Grok strengths

- Searches both X posts and the web for current information
- Free tier available without a subscription
- Image and video generation in the same app as chat
- Separate API with long context windows (up to 1M tokens on some models)
- Real-time voice mode in the mobile apps

## Grok limitations

- Free usage is capped, and xAI does not publish the exact limit
- Usage limits are given only as multiples of the Plus plan, not as fixed numbers
- Answers drawing on X posts can reflect unverified social content
- The App Store rates the app 16+ because of mature themes

## Kimi strengths

- International USD plans start at $19/month and include Kimi Code and Agent Swarm.
- Broad agent toolset: deep research, slides, documents, spreadsheets, website building and scheduled tasks.
- A separate pay-per-token API with a 1M-token context window on K3.
- Rated 4.7 out of 5 from 5.3K ratings on the US App Store.
- Earlier K2-family models were reported to have downloadable weights, which suits self-hosting teams.

## Kimi limitations

- Free-tier limits are not clearly published on the help pages.
- Plan structure is changing: legacy plan names (Moderato, Allegretto, Allegro, Vivace) coexist with Plus, Pro, Max and Ultra, which can confuse buyers.
- Credits do not roll over, and one shared pool covers chat, agents and Kimi Code.
- The site interface and several help pages default to Chinese; I found no confirmed Android or Windows client.

## FAQ

**Is Grok better than Kimi?**

It depends on your workflow. Grok is built for questions that need current information from X and the web. Kimi is built for Long-form research, generating slide decks and documents, parallel agent tasks, coding assistance with Kimi Code.

**What are the key feature differences between Grok and Kimi?**

Grok: xAI's AI assistant with live X and web search, image and voice tools. Kimi: Chat, research and agent assistant from Moonshot AI, built on its Kimi K3 model. Grok is rated 4.0/5 from 1 user review.

**Does Grok or Kimi have a free plan?**

Yes, both do. Grok is freemium and Kimi is freemium, and each has a free plan or trial.

**Which is cheaper, Grok or Kimi?**

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.