Grok 4 Fast Non Reasoning
xAI
xai/grok-4-fast-non-reasoning
Fast responses, 256K context
Context Window
256K
256,000 tokens
Max Output
33K
32,768 tokens
About this model
Grok 4 Fast β quick responses without deep reasoning
Best for everyday conversations, simple code generation, and content creation that doesn't require deep reasoning. Faster responses at lower cost.
Access it through Chuizi.AI with a single ck- API key.
Highlights
256K context window
Fast responses
Everyday chat
Content generation
Best For
Everyday chatContent creationSimple codeTranslation
2025-09-20
Capabilities
ChatVisionCodetools
Aliases
grok-4-fast-non-reasoningPricing (per 1M tokens)
| Pricing (per 1M tokens) | / 1M tokens |
|---|---|
| Input / 1M | $0.21 |
| Output / 1M | $0.53 |
Final prices shown
Quick Start
main.py
from openai import OpenAI client = OpenAI( base_url="https://api.chuizi.ai/v1", api_key="ck-your-key-here", ) response = client.chat.completions.create( model="xai/grok-4-fast-non-reasoning", messages=[{"role": "user", "content": "Hello!"}], ) print(response.choices[0].message.content)