xAI / API Pricing and Routing

xAI grok-4-1-fast-reasoning API pricing and routing

Inspect the live model ID, provider, context window, endpoint support, billing group, and Route Key pricing signals before sending production traffic.

Model ID
grok-4-1-fast-reasoning

Compare grok-4-1-fast-reasoning API pricing, context length, endpoints, billing groups, and routing availability through Route Key's OpenAI-compatible AI API gateway.

Pricing signals

Input · per request
$0.10
Output · per request
$0.10
Cached input · per request
-

Billing: per request · Available groups: default

Supported endpoints

openai

Context window

-

Model technical profile

Vendor
xAI
Billing
per request
Pricing schema
shell-api-modelmak-v1
Model ratio
x0
Completion ratio
x1

Use this model with Route Key

Keep your existing OpenAI-compatible request shape and change the gateway, key, and model values.

Base URL
https://api.routekey.ai/v1
API key
Bearer sk-route-key
Model
grok-4-1-fast-reasoning
Use this model with Route Key Model

Frequently asked questions about grok-4-1-fast-reasoning

What is grok-4-1-fast-reasoning?

grok-4-1-fast-reasoning is a currently listed model route from xAI. Confirm the live catalog for its exact ID, endpoint, group availability, and pricing signal.

How is grok-4-1-fast-reasoning API pricing calculated?

Route Key exposes the current input, output, and cached-input pricing signals for grok-4-1-fast-reasoning. Effective cost can vary by billing group and route ratio.

How do I use grok-4-1-fast-reasoning with Route Key?

Set the Route Key base URL, add a Route Key API key, and send the exact model ID shown below. Start with a small request before enabling streaming or tools.