Grok 4.1 Fast Non Reasoning
xAI
xai/grok-4.1-fast-non-reasoning
Latest fast model, 256K context
Context Window
256K
256,000 tokens
Max Output
33K
32,768 tokens
About this model
Grok 4.1 Fast β latest model, quick responses
xAI's newest fast response model for everyday conversations and simple tasks. No reasoning chain β direct answers.
Access it through Chuizi.AI with a single ck- API key.
Highlights
256K context window
Latest model
Fast responses
Low latency
Best For
Everyday chatContent creationQuick Q&ALight coding
2026-01-15
Capabilities
ChatVisionCodetools
Aliases
grok-4.1-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-4.1-fast-non-reasoning", messages=[{"role": "user", "content": "Hello!"}], ) print(response.choices[0].message.content)