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Grok 4.3

xAI's flagship reasoning model with 1M context, vision, and tool support.

xai/grok-4-3
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Streaming
Vision
Tools
Reasoning
JSON Output
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xAI Pricing for Grok 4.3

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xAI
Context: 1M
Input
$1.25
/M tokens
Cached
$0.3125
/M tokens
Output
$2.5
/M tokens
Tiered Pricing
IN
CACHED
OUT
≤200K tokens
$1.25
$0.3125
$2.5
>200K tokens
$2.5
$0
$5
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