xAIPaidOperational

Grok 4.20 Non Reasoning

API model name: grok-4.20-0309-non-reasoning

Grok 4.20 Non Reasoning is xAI's chat model, served on the Api.Airforce unified API. Access it through the OpenAI-compatible API with one key, alongside 100+ other models on Api.Airforce.

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Pricing

Input / 1M tokens

—

Output / 1M tokens

—

Official input rate

$2.00

Official output rate

$6.00

Api.Airforce price vs. the provider's official rate.

Specifications

Provider: xAI
Type: chat model

Benchmarks

Independent evaluations and measured speed from Artificial Analysis.

Measured atSame model, different reasoning effort.

Intelligence Index

37.4/100

GPQA Diamond89%

Humanity's Last Exam32%

SciCode45%

τ²-bench96%

Terminal-Bench Hard41%

LCR61%

Grok 4.20 0309 (Reasoning) · 22.9–37.4

Source: Benchmark data by Artificial Analysis (artificialanalysis.ai)

What is Grok 4.20 Non Reasoning used for?

Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.

Grok 4.20 Non Reasoning vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
Grok 4.20 Non Reasoning	37.4	—	—	—
Grok 2 Vision	—	—	$2.10	$10.50
Grok 3	18.6	—	$0.66	$3.30
Grok 3 Deepersearch	—	—	$0.57	$2.89

Prices are Api.Airforce pay-as-you-go rates per 1M tokens. Context is the maximum input length.

Related models

Grok 2 VisionxAI · $2.10 / 1M Grok 3xAI · $0.66 / 1M Grok 3 DeepersearchxAI · $0.57 / 1M Grok 3 DeepsearchxAI · $0.57 / 1M Grok 3 FastxAI · $4.74 / 1M Grok 3 MinixAI · $0.06 / 1M Grok 3 Mini FastxAI · $0.63 / 1M Grok 3 ReasonerxAI · $0.57 / 1M Grok 4xAI · $1.64 / 1M Grok 4xAI · $3.15 / 1M Grok 4.20 ReasoningxAI · $0.93 / 1M Grok 4 FastxAI · $0.02 / 1M

Grok 4.20 Non Reasoning — frequently asked questions

How much does Grok 4.20 Non Reasoning cost?: Grok 4.20 Non Reasoning is billed per generation rather than per token. See the pricing page for the current rate.
What can Grok 4.20 Non Reasoning do?: Grok 4.20 Non Reasoning is xAI's chat model, accessible through the Api.Airforce API.
Is Grok 4.20 Non Reasoning free to use?: Grok 4.20 Non Reasoning is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use Grok 4.20 Non Reasoning via the API?: Grok 4.20 Non Reasoning is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID grok-4.20-0309-non-reasoning with your Api.Airforce API key.
Who makes Grok 4.20 Non Reasoning?: Grok 4.20 Non Reasoning is xAI's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

All models·Quickstart·Chat API reference

Use Grok 4.20 Non Reasoning via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass grok-4.20-0309-non-reasoning as the model.

cURL

curl https://api.airforce/v1/chat/completions \
  -H "Authorization: Bearer $AIRFORCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "grok-4.20-0309-non-reasoning",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'

Python

from openai import OpenAI
client = OpenAI(base_url="https://api.airforce/v1", api_key="$AIRFORCE_API_KEY")
r = client.chat.completions.create(
    model="grok-4.20-0309-non-reasoning",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(r.choices[0].message.content)

JavaScript

import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://api.airforce/v1", apiKey: process.env.AIRFORCE_API_KEY });
const r = await client.chat.completions.create({
  model: "grok-4.20-0309-non-reasoning",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);