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Grok-4.1-Fast-Reasoning

xai/grok-4.1-fast-reasoning

Best Input Price

$0.00 / 1M

Fast Grok model for responsive chat, reasoning, and tool-assisted work

Context Window

2,000,000 tokens

Reasoning

Supported

Tool Calling

Supported

Released

2025-11-19

Inference Providers (3)

ProviderModel IDContextInput / 1MOutput / 1MAction
Poexai/grok-4.1-fast-reasoning2,000,000$0.00$0.00Docs ↗
Vercel AI Gatewayspacexai/grok-4.1-fast-reasoning1,000,000$0.20$0.50Docs ↗
Vertexxai/grok-4.1-fast-reasoning128,000$0.20$0.50Docs ↗