X-Ai/Grok-4-Fast-Reasoning
xAI · 1 configuration
Intelligence—
Input / 1M—
Output / 1M—
Context2M
Tariff: Qiniu · Source: models-dev · USD per million tokens
Thinking configuration
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Selected: thinking default · Click a point to switch configuration
Fast Grok model for responsive chat, reasoning, and tool-assisted work
This model is in the catalog but has no imported benchmarks. Capabilities are not estimated.
Specifications from the catalog
Inputtext, image, audio, video
Outputtext
Tool callingYes
Structured outputNo
SpeedNot available
First tokenNot available
Maximum output2M
Catalog listing date2025-12-18