Grok 4
Chat with the Grok 4 model family from xAI inside ProGPT, alongside GPT, Claude, Gemini and DeepSeek. Type a question to start, then switch models whenever you want another take.
Current Grok models in ProGPT
Grok is updated often, and xAI releases new versions regularly. This page shows the Grok models ProGPT offers right now.
Available now
- Grok 4
- Updated September 2026
- A fast model is included free; the most capable models need a Pro plan
Using Grok directly vs through ProGPT
Using Grok directly
- xAI's own app and ecosystem
- First-party features, limits and pricing
Using Grok through ProGPT
- Grok alongside GPT, Claude, Gemini and more in one workspace
- ProGPT's web search, file analysis and 50+ AI tools
- Model version, limits and features can differ from xAI's own product
How to chat with Grok 4 in ProGPT
Type your question
Ask anything, or paste text you want help with.
Chat with Grok 4
ProGPT opens a chat with a Grok model selected. Turn on web search if you want current information.
Switch models any time
Want another take? Try the same prompt on another model in the same workspace.
Why use Grok 4 in ProGPT
Grok in one workspace
Use Grok next to other leading models without separate apps or logins.
Switch and compare
Different models have different strengths and styles. Run the same prompt on another model and keep the answer you prefer.
50+ AI tools and web search
Go from a chat to writing, summarizing, translating and file analysis without leaving.
Popular ways to use it
- Quick questions and explanations
- Research with web search
- Drafting messages and posts
- Brainstorming ideas
- Comparing answers with other models
Grok 4 FAQ
Is this the official Grok app?
No. ProGPT is an independent app that gives you access to Grok models from xAI alongside other leading models. For xAI's own product, use their official app or website.
Which Grok version does ProGPT use?
The current version is listed near the top of this page and is updated when xAI releases new models. Grok models change quickly, so the exact version can change over time.
Can I use Grok 4 for free?
You can start for free with a fast model. The most advanced models need a Pro plan.
Can I switch to other AI models?
Yes. You can switch between models from OpenAI, Anthropic, Google, xAI, DeepSeek and more in the same workspace.
Other models in ProGPT
AI Subscription Comparison
Plans and prices for ChatGPT, Gemini, Claude, Grok, Meta Muse and ProGPT.
Try the AI Subscription Comparison →ProGPT is an independent service of ZQ Labs, Inc. and is not affiliated with, endorsed by, or sponsored by xAI. Grok is a trademark of xAI, used here only to describe the models available in ProGPT. Model availability and capabilities may vary by plan.