Grok 4.6

Chat Completions

grok-4.6

xAI|Created Aug 12, 2026|500k context

Chat Completions

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Grok 4.6 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

Overview Specifications Activity Performance Uptime Examples API Reference

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Pricing-50%

Pay-as-you-go rates for this model. More details in the billing guide.

Input Tokens (1M)

$1.00

Cached Input Tokens (1M)

$0.25

Output Tokens (1M)

$3.00

Capabilities

Input Modalities

TextImageFile

Output Modalities

Text

Supported Parameters

Available parameters for API requests

Frequency PenaltyMax Completion TokensParallel Tool CallsPredictionPresence PenaltyResponse FormatStopTool ChoiceToolsReasoning EffortLogit BiasTemperatureTop PWeb Search Options