Grok 4 Fast Non-Reasoning

grok-4-fast-non-reasoning
byxAI|Created Sep 20, 2025
Chat Completions

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

Cached Input Tokens (1M)

$0.02

Output Tokens (1M)

$0.25

Capabilities

Input Modalities

Text
Image

Output Modalities

Text

Supported Parameters

Available parameters for API requests

Max Completion Tokens
Response Format
Temperature
Tool Choice
Tools
Top P
Web Search Options

Usage Analytics

Token usage across the last 30 active days

Uptime

Reliability over the last 7 days

Throughput

Time-To-First-Token (TTFT)

Code Example

Example code for using this model through our API with Python (OpenAI SDK) or cURL. Replace placeholders with your API key and model ID.

Basic request example. Ensure API key permissions. For more details, see our documentation.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.naga.ac/v1",
    api_key="YOUR_API_KEY",
)

resp = client.chat.completions.create(
    model="grok-4-fast-non-reasoning",
    messages=[
        {{"role": "user", "content": "What's 2+2?"}}
    ],
    temperature=0.2,
)
print(resp.choices[0].message.content)