Grok 4 Fast

About Grok 4 Fast

Grok 4 represents xAI's frontier model, pushing the boundaries of AI capability while maintaining the distinctive Grok personality. The model delivers exceptional performance on complex reasoning, coding, and creative tasks, competing with the best models available. Grok 4 features advanced reasoning capabilities, extended context handling, and real-time knowledge access through X integration. It demonstrates strong performance on challenging benchmarks and excels at tasks requiring deep analytical thinking. For users seeking maximum AI capability with Grok's engaging style, Grok 4 offers xAI's most powerful offering. It's particularly valuable for demanding applications in research, development, and creative work.

Model Specifications

💰 Real-World Cost Examples

Estimated monthly costs for common use cases

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🚀 Quick Start

Get started with Grok 4 Fast API

from openai import OpenAI

client = OpenAI(
    base_url="https://api.provider.com/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="x-ai/grok-4-fast",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

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