Available Models
| Model | Type | Strengths | Plan Required |
|---|---|---|---|
| Grok-4 | Text | Flagship — advanced reasoning, research, and coding | Pro+ (Premium) |
| Grok-3 | Text | Previous generation flagship, strong general capability | Pro+ (Premium) |
| Grok Code Fast | Text | Optimized for fast code generation and technical tasks | Pro+ |
| Grok-4-1-fast-non-reasoning | Text | Fast standard Grok for everyday tasks | Standard (all plans) |
Strengths
Advanced reasoning: Grok-4 is xAI’s most capable model, with strong performance on complex reasoning tasks, scientific questions, and multi-step problem-solving. Real-time knowledge: Grok models have access to real-time information from the X (formerly Twitter) platform, giving them an edge on current events, trending topics, and time-sensitive queries. This is a unique advantage over most other AI models. Coding: Grok models perform strongly on code generation, debugging, and technical analysis. Grok Code Fast is purpose-optimized for speed in coding tasks. Research: Grok-4’s combination of strong reasoning and real-time knowledge makes it well-suited for research tasks requiring both depth and currency. Personality: Grok models are known for more expressive, sometimes witty responses compared to other models. They can be more engaging for conversational use cases.Best Use Cases
Coding assistance
Grok-4 and Grok Code Fast deliver fast, accurate code generation, debugging, and technical documentation.
Research with real-time data
Grok’s X platform integration provides current events context unavailable in other models.
Technical analysis
Complex technical reasoning, system design, and analytical tasks benefit from Grok-4’s reasoning depth.
General chat
Grok-4-1-fast provides strong general-purpose AI assistance on the standard tier (no premium quota usage).
Choosing a Grok Model
| If you need… | Use… |
|---|---|
| Best overall reasoning and research | Grok-4 |
| Good general capability, previous gen | Grok-3 |
| Fast code generation | Grok Code Fast |
| Standard tier, everyday tasks | Grok-4-1-fast-non-reasoning |
Grok’s real-time knowledge from the X platform is most relevant for current events, breaking news, and social media trends. For other real-time information (financial data, weather, etc.), use ZeroTwo’s Web Search tool alongside any model.