Grok 4

Chat Smith gives you access to xAI's Grok 4, one of the most powerful reasoning AI models available today. It excels at deep analysis, complex problem solving, advanced coding, creative writing, and multi-step reasoning, delivering thorough, nuanced responses when you need AI at its most capable.

Open Chat Smith, select Grok 4 from the model picker, and start chatting. The app sends your prompt to the model and streams a detailed response in real time. No API keys or technical setup required — the full power of xAI's flagship model is available through a simple, intuitive chat interface.

Grok 4 is built for depth. It handles complex, multi-layered questions with strong logical reasoning, nuanced analysis, and a distinctive direct communication style. Where lighter models prioritize speed, Grok 4 prioritizes thoroughness and accuracy, making it the right choice for challenging tasks that demand serious thinking.

It handles demanding tasks including deep research analysis, advanced mathematics, complex coding and debugging, long-form creative writing, strategic planning, detailed document review, scientific reasoning, and philosophical exploration. Choose Grok 4 when the quality and depth of the answer matter more than instant speed.

Yes. Through Chat Smith you can send images alongside text prompts. Grok 4 can analyze photographs, interpret charts and diagrams, extract information from visual content, and answer complex questions that combine text and image understanding for comprehensive multimodal analysis.

Grok 4 delivers exceptional accuracy on reasoning-heavy tasks, mathematics, coding, and factual analysis. Its deep processing architecture is designed to think through problems carefully before responding. For critical decisions, cross-referencing important claims with authoritative sources remains a recommended practice.

Provide detailed context, specify your reasoning requirements, and describe exactly what kind of output you need. Grok 4 thrives on complex, well-defined prompts. For multi-step tasks, outline the steps explicitly. The richer and more specific your instructions, the more impressive and precise the output becomes.

Grok 4 is the full-power reasoning model that takes more time to deliver deeper, more comprehensive answers. Grok 4 Fast trades some of that depth for significantly quicker responses. Use Grok 4 when you need thorough analysis and detailed reasoning; switch to Grok 4 Fast for everyday speed-first tasks.

Yes. Chat Smith lets you switch between AI models at any time, even mid-conversation. Use Grok 4 for complex analysis, switch to a faster model for quick questions, and come back to Grok 4 when depth matters again. This flexibility ensures you always match the model to the task.

You can start chatting with Grok 4 for free with no software to install or complicated sign-up process. Chat Smith provides generous free access, while premium plans unlock higher message limits and additional AI models for users who rely on advanced AI reasoning throughout the day.

Chat Smith is committed to user privacy. Your conversations are processed to generate responses and managed according to the app's privacy policy. Chat Smith does not sell personal data to third parties. Review the privacy policy in app settings for complete details on data handling.

Not at all. Chat Smith is designed for everyone. Open the app, choose Grok 4, and type your question in everyday language. No programming, API setup, or AI expertise needed. Whether you are tackling a research project or exploring a creative idea, powerful reasoning AI is just one tap away.