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Grok 4-1 Fast Reasoning

grok-4.1-fast-reasoning

Chat & Textby xAI
chatstreamingvisiontoolsjson mode

Details

Accepts
text
Context window
2M tokens

Pricing

Input
156 cr / 1M tokens
Output
313 cr / 1M tokens

Prices in credits (1 credit = $0.01).

Data schema

approximate

Input

FieldTypeDescription
promptrequiredstringThe text prompt.

Output

FieldTypeDescription
textstringGenerated text (choices[0].message.content).