All Models

xAI Grok 4 Fast Non Reasoning

grokTool Calling

Fast Grok model for responsive chat, reasoning, and tool-assisted work

Providers1
ReleasedSep 19, 2025
Input Modalitiestext, image, audio
Output Modalitiestext
Tarsk Usecoding

Available Providers (1)

ProviderModel IDInput CostOutput CostContextMax OutputDocs
Heliconegrok-4-fast-non-reasoning$0.20/MTok$0.50/MTok2M2M

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output