Grok 4.1 Fast Reasoning

Grok 4.1 with fast reasoning and vision support.

grok-4-1-fast-reasoning
STABLE
2,000,000 context
Starting at $3.00/M input tokens
Starting at $15.00/M output tokens
Streaming
Vision
Tools
JSON Output

Providers for Grok 4.1 Fast Reasoning

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

xAI

xai/grok-4-1-fast-reasoning
Context Size
2M
Stability
STABLE
Pricing
Input
$3.00
/M
Cached
—
Output
$15.00
/M
Capabilities
Streaming
Vision
Tools
JSON Output
Try in Playground
    Grok 4.1 Fast Reasoning – AI Model on LLM Gateway