Grok 4.20 (Reasoning)
xai/grok-4.20-0309-reasoning
Reasoning Grok for document-heavy analysis and long-horizon tool use
Capabilities
ReasoningYes
Tool callingYes
Structured outputYes
TemperatureSupported
AttachmentYes
Open weightsNo
Limits
Context1,000,000 tokens
Max inputN/A
Max output30,000 tokens
Details
Familygrok
Knowledge cutoffN/A
Release date2026-03-09
Last updated2026-03-09
Modalities
Inputtext, image, pdf
Outputtext
Community Rating
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Pricing
Cost per 1M tokens
InputN/A
OutputN/A