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grok 4.20 beta 0309 reasoning

ReasoningTool CallingAttachments

Grok model for agentic tool use, reasoning, coding, and live assistance

Providers1
ReleasedMar 16, 2026
Input Modalitiestext, image
Output Modalitiestext
Tarsk Usecoding

Available Providers (1)

ProviderModel IDInput CostOutput CostContextMax OutputDocs
302.AIgrok-4.20-beta-0309-reasoning$2/MTok$6/MTok2M30K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output