Kilo Gateway

xAI: Grok 4 Fast

Name: xAI: Grok 4 Fast
Brand: Kilo Gateway

Canonical ID: kilo/x-ai/grok-4-fast

More Kilo Gateway models More grok-4-fast family models

xAI: Grok 4 Fast is listed under Kilo Gateway in LLM Directory with pricing, context limits, modalities, and capability metadata for quick comparison.

Reasoning: Yes Tool use: Yes

Overview

text image

Provider: Kilo Gateway
Family: grok-4-fast
Release date: 2025-08-19
Last updated: 2025-08-19
Input modalities: text, image
Output modalities: text

Pricing and Limits

Token pricing

Input: $0.2/1M
Output: $0.5/1M
Cached input: N/A

Context and output

Context window: 2,000,000
Max output tokens: 30,000
Qualified ID: kilo/x-ai/grok-4-fast

Model Summary

xAI: Grok 4 Fast is a model listing in the Kilo Gateway provider catalog. It is categorized under the grok-4-fast family.

The model supports text, image modalities across input/output paths. Reported context capacity is 2,000,000. Pricing is listed at $0.2/1M input and $0.5/1M output.

Same Family: grok-4-fast

Comparable models in the same family across providers.

Browse family

Model	Provider	Context	Input	Output	Flags
Grok 4 Fast requesty/xai/grok-4-fast	Requesty	2,000,000	$0.2/1M	$0.5/1M	Reasoning Tools
Grok 4 Fast xai/grok-4-fast	xAI	2,000,000	$0.2/1M	$0.5/1M
Grok 4 Fast zenmux/x-ai/grok-4-fast	Zenmux	2,000,000	$0.2/1M	$0.5/1M	Reasoning Tools
x-AI/Grok-4-Fast qiniu-ai/x-ai/grok-4-fast	Qiniu	2,000,000	N/A	N/A	Reasoning Tools
x-AI/Grok-4-Fast qiniu_ai/x-ai/grok-4-fast	Qiniu	2,000,000	N/A	N/A	Reasoning Tools

xAI: Grok 4 Fast

Overview

Pricing and Limits

Token pricing

Context and output

Model Summary

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Same Family: grok-4-fast