Grok or Sider AI? 2026 Comparison of Plans and Prices
Grok and Sider AI compared: what each one does best, how their plans and prices differ, and which one fits you.
· 2 min read

Grok and Sider AI are two of the most popular AI assistants. xAI's witty, real-time AI with live web and X search, image and video generation. AI sidebar for every website — chat with Claude and Gemini while you browse. Here is how they compare in 2026.
Quick answer
- Sider AI is cheaper to start with: $10 vs $30 per month ($20 less).
- Grok offers more plan options (2 vs 2).
- Both can be bought with crypto on AIOFFER below the official price.
Side by side
| Grok | Sider AI | |
|---|---|---|
| Made by | xAI | Sider |
| Cheapest plan | Grok SuperGrok — $30 per month | Sider AI Basic — $10 per month |
| Top plan | SuperGrok Heavy — $300/mo | Pro — $20/mo |
| Plans available | 2 | 2 |
| Yearly billing | No | No |
Grok
Grok by xAI is an AI assistant with real-time access to the web and to posts on X, making it great for news, trends and fast research. SuperGrok unlocks higher limits on xAI's latest models, DeepSearch, image and video generation with Grok Imagine, and voice mode.
- xAI's latest Grok models
- Real-time web and X search
- DeepSearch research reports
- Grok Imagine image and video generation
- Voice mode and companions
Sider AI
Sider puts powerful AI models in a sidebar on any website. Ask questions, read PDFs, translate and write without switching tabs.
- Multiple top AI models
- Chat with PDFs and web pages
- Translation and writing agent
- Browser extension and apps
Which should you choose?
Choose Grok if you want xai's latest grok models.
Choose Sider AI if you want multiple top ai models, at the lower entry price.
Start with the mid-tier plan for a month — upgrade only if you keep hitting the limits.
Grok vs Sider AI — FAQ
Is Grok cheaper than Sider AI?
No — Sider AI starts at $10 per month vs $30 for Grok (official prices).
Can I use both Grok and Sider AI?
Yes, they are separate subscriptions. Many people keep one as their main tool and try the other for a month before deciding.
Where can I buy Grok or Sider AI with crypto?
On AIOFFER — top up your wallet with Bitcoin or USDT and buy either plan below the official price.
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