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xAI: Grok 4.20

Reasoning Tool Calling Attachments

Grok 4.20 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...

Providers 1
Released Mar 31, 2026
Input Modalities image, pdf, text
Output Modalities text
Tarsk Use coding

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Kilo Gateway x-ai/grok-4.20 $2.00/MTok $6.00/MTok 2M 2M

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output