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Grok 4.5

xAI's flagship reasoning model with a 500K context window, vision, and tool support.

xai/grok-4-5
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Streaming
Vision
Tools
Reasoning
JSON Output
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xAI Pricing for Grok 4.5

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xAI
Context: 500k
Input
$2
/M tokens
Cache Read
$0.3
/M tokens
Output
$6
/M tokens
Tiered Pricing
IN
CACHED
OUT
≤200K tokens
$2
$0.3
$6
>200K tokens
$4
$0.6
$12
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