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grok-4.2-beta

grok Reasoning Tool Calling Attachments Structured Output

Grok 4.20 Beta is xAI's newest flagship model with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering consistently precise and truthful responses.

Providers 1
Released Mar 19, 2026
Input Modalities text, image
Output Modalities text
Tarsk Use coding

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Requesty grok-4.2-beta $1.80/MTok $5.40/MTok 2M 2M

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output