Vercel AI Gateway

Grok 4.1 Fast Reasoning

Name: Grok 4.1 Fast Reasoning
Brand: Vercel AI Gateway

Canonical ID: vercel/xai/grok-4.1-fast-reasoning

More Vercel AI Gateway models More grok-4.1-fast-reasoning family models

Grok 4.1 Fast Reasoning is listed under Vercel AI Gateway in LLM Directory with pricing, context limits, modalities, and capability metadata for quick comparison.

Reasoning: Yes Tool use: Yes

Overview

text

Provider: Vercel AI Gateway
Family: grok-4.1-fast-reasoning
Release date: 2025-07-09
Last updated: 2025-07-09
Input modalities: text
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: vercel/xai/grok-4.1-fast-reasoning

Model Summary

Grok 4.1 Fast Reasoning is a model listing in the Vercel AI Gateway provider catalog. It is categorized under the grok-4.1-fast-reasoning family.

The model supports text 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-4.1-fast-reasoning

Comparable models in the same family across providers.

Browse family

Model	Provider	Context	Input	Output	Flags
Grok-4.1-Fast-Reasoning poe/xai/grok-4.1-fast-reasoning	Poe	2,000,000	N/A	N/A	Reasoning Tools
X-Ai/Grok 4.1 Fast Reasoning qiniu-ai/x-ai/grok-4.1-fast-reasoning	Qiniu	20,000,000	N/A	N/A	Reasoning Tools
X-Ai/Grok 4.1 Fast Reasoning qiniu_ai/x-ai/grok-4.1-fast-reasoning	Qiniu	20,000,000	N/A	N/A	Reasoning Tools

Grok 4.1 Fast Reasoning

Overview

Pricing and Limits

Token pricing

Context and output

Model Summary

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