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Grok 4.20 Beta Reasoning (0309)

Grok 4.20 reasoning model with vision and tool support.

grok-4-20-beta-0309-reasoning
STABLE
Streaming
Vision
Tools
Reasoning
JSON Output

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xAI Pricing for Grok 4.20 Beta Reasoning (0309)

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xAI

xai/grok-4-20-beta-0309-reasoning
Context Size
2M
Stability
STABLE
Pricing
Input
$2.00
/M
Cached
$0.20
/M
Output
$6.00
/M
Tiered Pricing
≤200K tokens$2.00 in / $6.00 out
>200K tokens$4.00 in / $12.00 out
Capabilities
Streaming
Vision
Tools
Reasoning
JSON Output
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