Grok 4.20 API Pricing & Quick Start

Name: Grok 4.20 API
Brand: xAI

Grok 4.20 is a reasoning model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...

Pricing

Input Price

$1.2500

/ 1M tokens

NT$ 40

Output Price

$2.5000

/ 1M tokens

NT$ 81

Context Window

tokens

💱 USD/NTD = 32.38 · before tax · updated 07/30/2026

Provider	xAI
Released	March 2026
Model ID	`x-ai/grok-4.20`

Technical specifications

Context window

2M tokens

Reasoning

Yes

Input

TextImageFile

Output

Text

Quick Start

Use Grok 4.20 via BazaarLink API — just change the base_url:

Python

from openai import OpenAI

client = OpenAI(
    base_url="https://bazaarlink.ai/api/v1",
    api_key="sk-bl-YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="x-ai/grok-4.20",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

TypeScript

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://bazaarlink.ai/api/v1",
  apiKey: "sk-bl-YOUR_API_KEY",
});

const response = await client.chat.completions.create({
  model: "x-ai/grok-4.20",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Why use Grok 4.20 via BazaarLink?

✓USD billing (TWD-quoted) + unified invoices — no foreign credit card needed for Taiwan teams
✓OpenAI-compatible API — zero code changes required
✓Automatic failover — multi-provider redundancy for the same model
✓Chinese-language support — local team, instant help

Try Now ← All Models

Frequently Asked Questions

What is Grok 4.20?

How much does the Grok 4.20 API cost?

Grok 4.20 costs $1.2500 per 1M input tokens and $2.5000 per 1M output tokens when accessed through BazaarLink.

How do I use Grok 4.20 with the OpenAI SDK?

Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "x-ai/grok-4.20". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.

What is the context window for Grok 4.20?

Grok 4.20 supports a context window of 2,000,000 tokens.

Is Grok 4.20 available for free?

Grok 4.20 is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.

Relay integrity checks

No integrity-check data is available for this model yet.

BazaarLink Probe verifies endpoints that claim to serve this model and flags behavior that differs from the reference baseline.

View the full integrity report →