Grok 4 Fast Non-Reasoning

grok-4-fast-non-reasoning
by x-ai|Created Sep 20, 2025

A blazing fast variant for instant, cost-effective answers without reasoning traces. Built on the same Grok 4 Fast backbone for unified quality and efficiency, it excels at search, summarization, Q&A, and lightweight agent use. Delivers low latency, reduced token cost, and supports the 2M token context for long inputs. Perfect for rapid and scalable information workflows.

Pricing

Pay-as-you-go rates for this model. More details can be found here.

Input Tokens (1M)

$0.10

Output Tokens (1M)

$0.25

Capabilities

Input Modalities

Text
Image

Output Modalities

Text

Usage Analytics

Token usage across the last 30 active days

Throughput

Time-To-First-Token (TTFT)