Grok 4.20 Non Reasoning
xAI
xai/grok-4.20-non-reasoning
Long context, fast answers
Context Window
2.0M
2,000,000 tokens
Max Output
128K
128,000 tokens
About this model
Grok 4.20 Non-reasoning is xAI's recommended non-reasoning replacement for workloads that need a 2M context window and fast direct answers.
It is the migration target for the retiring Grok 4 / 4.1 Fast non-reasoning series.
Highlights
2M context
Fast responses
Vision input
Production migration
Best For
Long-document Q&AContent processingFast assistantsLow-reasoning workloads
2026-05-06
Capabilities
ChatVisionCodetools
Pricing (per 1M tokens)
| Pricing (per 1M tokens) | / 1M tokens |
|---|---|
| Input / 1M | $1.31 |
| Output / 1M | $2.63 |
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-4.20-non-reasoning", messages=[{"role": "user", "content": "Hello!"}], ) print(response.choices[0].message.content)