All Models

Grok 4.20 (Reasoning)

grok Reasoning Tool Calling Attachments Structured Output

Reasoning Grok for document-heavy analysis and long-horizon tool use

Providers 8
Released Mar 9, 2026
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Benchmarks

38
Intelligence Index

Available Providers (8)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Impossibl xai/grok-4.20-0309-reasoning $1.25/MTok $2.50/MTok 1M 30K
xAI grok-4.20-0309-reasoning $1.25/MTok $2.50/MTok 1M 30K
Vercel AI Gateway spacexai/grok-4.20-reasoning $1.25/MTok $2.50/MTok 2M 2M
Eden AI xai/grok-4.20-0309-reasoning $1.25/MTok $2.50/MTok 1M 30K
DevPass (LLM Gateway) grok-4-20-reasoning $1.25/MTok $2.50/MTok 2M 30K
Azure grok-4-20-reasoning $2/MTok $6/MTok 262K 8.2K
DevPass (LLM Gateway) grok-4-20-beta-0309-reasoning $2/MTok $6/MTok 2M 30K
Ofox x-ai/grok-4.20 $4/MTok $12/MTok 2M 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output