xAI · Large Language Model

Grok AI Conversation API

Access the Grok series models of xAI in OpenAI compatible format. Supports Grok 4 flagship reasoning and Grok 3 long context—billed by Token.

📄 View Documentation 💰 View Pricing

🧠 Grok 4 Flagship Reasoning 📜 Grok 3 Long Context 🔌 OpenAI Compatible

Grok Models Available

131K

Context Window

Token

Pay-as-you-go

∞

No Rate Limit

Core Features

Fully access the entire series of xAI Grok models, covering reasoning, conversation, and visual understanding.

🧠

Flagship Reasoning Capability

Grok 4 is xAI's most powerful reasoning model, excelling in mathematics, programming, and complex analysis tasks, supporting deep reasoning chains.

📜

Long Context

Grok 3 offers a maximum of 1M long context window, capable of processing entire financial reports, lengthy documents, and legal files in one go.

🔌

OpenAI Compatible Format

Fully compatible with /v1/chat/completions interface, use OpenAI SDK to call Grok without modifying code.

OpenAI Compatible, Ready to Use

Use your familiar OpenAI SDK, just modify the base_url to seamlessly switch to Grok models.

Python

from openai import OpenAI
client = OpenAI(
    base_url="https://api.acedata.cloud/v1",
    api_key="YOUR_API_KEY"
)
response = client.chat.completions.create(
    model="grok-4",
    messages=[
        {"role": "user", "content": "Explain the basic principles of quantum computing"}
    ]
)
print(response.choices[0].message.content)

3 Steps to Get Started Quickly

It only takes a few minutes from registration to completing your first Grok conversation.

Get API Key

Select Grok Model

Choose a model such as Grok 4 or Grok 3 based on your needs.

Initiate Conversation

Send requests via the OpenAI compatible /v1/chat/completions.

What is Grok Suitable For?

Covers a variety of application scenarios from daily conversations to professional research.

💻

Code Generation

Grok 4 performs excellently in programming benchmarks, efficiently generating and debugging code.

📊

Data Analysis

Handles complex data analysis tasks, generating insight reports and visualization suggestions.

🤖

AI Customer Service

Build customer service systems using Grok 3, quickly responding to customer inquiries.

📝

Content Creation

Writing articles, translation, summarization, advertising copy, and other text creation tasks.

🔬

Academic Research

Complex reasoning, literature analysis, mathematical proofs, and exploration of scientific questions.

Grok Model Series

From rapid reasoning to flagship reasoning, choose the model that suits you best

🧠 Grok 4

xAI's strongest flagship model, with top-tier reasoning capabilities, suitable for complex analysis and research tasks.

grok-4

🔥 Grok 3

The previous generation flagship model, powerful and thoroughly validated, a cost-effective choice.

grok-3

Grok API Pricing

Charged by token usage, no subscription fees, no hidden costs.

Bulk packages enjoy more discounts

Pay-as-you-go

Token Billing

Low Price Charged by token

Charged based on actual token usage, with separate pricing for input and output

✓ Grok 4: Top-tier reasoning flagship
✓ Grok 3: Cost-effective choice for long context
✓ Streaming — Free

View Pricing Details

Enterprise Edition

Custom

Exclusive plans for high-usage teams

✓ Volume-based tiered discounts
✓ Priority support with account manager
✓ Custom rate limits
✓ SLA guarantees
✓ Private deployment options

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Frequently Asked Questions

Common questions about using the Grok API

What is the difference between Grok 4 and Grok 3?›

Grok 4 is xAI's flagship reasoning model, performing best on complex tasks. Grok 3 is the previous generation flagship, with a maximum of 1M ultra-long context, suitable for long document analysis, and offers better cost performance. The choice depends on whether you value reasoning ability or context length and cost more.

What is the difference between using the xAI API directly?›

Ace Data Cloud provides a unified interface compatible with OpenAI, eliminating the need to register for an xAI account or configure a separate API key. You can access models like Grok, Claude, GPT, Gemini, etc., using the same API Key.

Can I call Grok using the OpenAI SDK?›

Yes. The Grok API is fully compatible with OpenAI's /v1/chat/completions format; just modify the base_url and model parameters. It supports OpenAI SDKs in various languages like Python, Node.js, Go, etc.

Does it support streaming output?›

Yes. Set stream: true to get token-by-token SSE streaming output, suitable for real-time conversations and front-end display scenarios.

grok-4

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Overview

grok-4

Model facts