AI Models
Explore available models and their capabilities
xAI
Released July 2025
Grok 4
Deep reasoning, parallel tools, structured output
Reasoning
Tool Use
Vision
About this model
Grok 4 represents xAI's advanced reasoning capability, offering developers a 256,000 token context window for processing extensive information. The model distinguishes itself through support for parallel tool calling, structured outputs, and the ability to accept both image and text inputs. Reasoning processes remain internal to the model for consistent, high-quality outputs.
Context Window
256K
Input Cost
$3/M
Output Cost
$15/M
Input Types
Text, Image