Grok 4 Fast
Vercel AI Gateway
The Grok 4 Fast AI model by Vercel AI Gateway offers developers a powerful tool with a 2,000,000 token context window and advanced reasoning capabilities. Ideal for text input, vision tasks, function calling, and more, this model stands out for its large context size and multimodal functionality. With a training data cutoff in 2025, developers can trust in the model's up-to-date performance and reliability.
Key Specifications
Context Window
2.0M tokens
Max Output Tokens
30K tokens
Input Pricing
$0.20
per million tokens
Output Pricing
$0.50
per million tokens
Capabilities
- Text Generation
- Vision
- Function Calling
- Advanced Reasoning
- File Attachments
Additional Details
- Provider
- Vercel AI Gateway
- Release Date
- September 19, 2025
- Advanced Reasoning
- Supported
- Supported Input Types
- text, image