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Grok 4.20 (Reasoning)

xAI Grok

ActiveReleased 2026-03-01
ChatJSON modeReasoningStreamingTool calling
2M
Context window
Yes
Reasoning support
Yes
Tool calling

Pricing

Input
$1.25/M
Output
$2.50/M
Cached input
$0.2/M

Shown for xAI (Grok), the primary provider surface for this model. Pricing is Cloptima's known static list pricing; live/negotiated rates may differ.

Available via 1 provider

xAI (Grok)
Gateway-routable
grok-4.20-reasoning
Context
2M
Input / Output
$1.25/$2.50 per M
ChatJSON modeReasoningStreamingTool calling