Grok 4 Fast - Free to Use Now!

Grok 4 Fast: Sonoma Dusk & Sonoma Sky

Sonoma Dusk Alpha and Sonoma Sky Alpha: Fast and intelligent general-purpose frontier models with a 2 million token context window. Supports image inputs and parallel tool calling.

Why Choose Sonoma Dusk & Sonoma Sky?

These are advanced AI models provided to the community to gather feedback. Both are free to use during this testing period.

2M Token Context

Ultra-large context window for processing long documents and complex conversations

Multimodal Support

Supports text and image inputs, expanding your creative possibilities

Parallel Tool Calling

Execute multiple tools simultaneously to improve work efficiency

Model Comparison

Sonoma Sky Alpha

(Grok-4.1-thinking)

Supported Features

• Stream cancellation
• Supports Tools
• Reasoning

Not Supported

• No Prompt Training

Sonoma Dusk Alpha

(Grok-4.1-base)

Supported Features

• Stream cancellation
• Supports Tools

Not Supported

• No Prompt Training
• Reasoning
• Caching

Performance Data

1/1

Conversation Win Rate: 100%

3/3

Web Design Win Rate: 100%

6/9

Reasoning Win Rate: 66.7%

Experience Sonoma Dusk Alpha & Sonoma Sky Alpha

Experience the powerful capabilities of Sonoma Dusk Alpha and Sonoma Sky Alpha right now

Sonoma Dusk Alpha Chat Demo

Hello! I'm Sonoma Dusk Alpha, a fast and intelligent AI assistant. How can I help you?

Frequently Asked Questions

What are Sonoma Dusk Alpha and Sonoma Sky Alpha?

Sonoma Dusk Alpha and Sonoma Sky Alpha are fast and intelligent general-purpose frontier models with a 2 million token context window, supporting image inputs and parallel tool calling.

Are they free to use?

Yes, both Sonoma Dusk Alpha and Sonoma Sky Alpha are completely free to use during the testing period. We log prompts and completions for feedback collection and model training.

How can I provide feedback?

You can submit your suggestions through our feedback page or send an email directly to feedback@sonomadusk.com.