xAIPaidOperational
Grok 3 Mini Fast
API model name: grok-3-mini-fast
Grok 3 Mini Fast is xAI's chat model, served on the Api.Airforce unified API. It is priced at $0.63 per million input tokens and $4.20 per million output tokens. That is below the provider's $0.60 official input rate. Access it through the OpenAI-compatible API with one key, alongside 100+ other models on Api.Airforce.
Pricing
Api.Airforce price vs. the provider's official rate.
Specifications
- Provider
- xAI
- Type
- chat model
What is Grok 3 Mini Fast used for?
- Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.
Grok 3 Mini Fast vs. similar models
| Model | Intelligence | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|
| Grok 3 Mini Fast | — | — | $0.63 | $4.20 |
| 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 / 1MGrok 3xAI · $0.66 / 1MGrok 3 DeepersearchxAI · $0.57 / 1MGrok 3 DeepsearchxAI · $0.57 / 1MGrok 3 FastxAI · $4.74 / 1MGrok 3 MinixAI · $0.06 / 1MGrok 3 ReasonerxAI · $0.57 / 1MGrok 4xAI · $1.64 / 1MGrok 4xAI · $3.15 / 1MGrok 4.20 ReasoningxAI · $0.93 / 1MGrok 4 FastxAI · $0.02 / 1MGrok 4.1xAI · $0.57 / 1M
Grok 3 Mini Fast — frequently asked questions
- How much does Grok 3 Mini Fast cost?
- Grok 3 Mini Fast is billed pay-as-you-go at $0.63 per 1M input tokens and $4.20 per 1M output tokens. There is no subscription — you only pay for what you use.
- What can Grok 3 Mini Fast do?
- Grok 3 Mini Fast is xAI's chat model, accessible through the Api.Airforce API.
- Is Grok 3 Mini Fast free to use?
- Grok 3 Mini Fast is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
- How do I use Grok 3 Mini Fast via the API?
- Grok 3 Mini Fast is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID grok-3-mini-fast with your Api.Airforce API key.
- Who makes Grok 3 Mini Fast?
- Grok 3 Mini Fast is xAI's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.
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Use Grok 3 Mini Fast via the API
OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass grok-3-mini-fast as the model.
cURL
curl https://api.airforce/v1/chat/completions \
-H "Authorization: Bearer $AIRFORCE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "grok-3-mini-fast",
"messages": [{ "role": "user", "content": "Hello!" }]
}'Python
from openai import OpenAI
client = OpenAI(base_url="https://api.airforce/v1", api_key="$AIRFORCE_API_KEY")
r = client.chat.completions.create(
model="grok-3-mini-fast",
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-3-mini-fast",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);