X4
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xAI: Grok 4 Fast

by x-ai

xAI: Grok 4 Fast is the latest multimodal model from xAI, designed for unparalleled performance and cost-efficiency. It boasts a state-of-the-art (SOTA) cost-efficiency, making advanced AI capabilities more accessible. With a massive 2 million token context window, it can process and understand incredibly long and complex inputs, ensuring comprehensive analysis. This model comes in two flavors: non-reasoning and reasoning, which can be enabled or disabled via the `reasoning` parameter in the API. Grok 4 Fast excels in vision tasks, supports functions, code generation, and streaming. It's best suited for in-depth analysis and processing large documents. Pricing is competitive at $0.20 per 1M input tokens and $0.50 per 1M output tokens. Explore its capabilities on Multi AI today!

Multimodal AIVision AICost-EfficientLarge ContextReasoning
74%Quality
2000KContext Window
82%Speed
Category
Economy
API access
Unified context
RAG + Knowledge Base
24/7 Support
Try This ModelCompare models

Best For

Analysis
Documents

🚀 Capabilities

Vision
Functions
Code
Streaming

Limitations

No image generation

Specifications

Providerx-ai
Context Window2,000,000 tokens
Max Output4,096 tokens
Minimum PlanBalance

Pricing

Input Price$0.2000 / 1M tokens
Output Price$0.5000 / 1M tokens

💡 With PRO subscription, cost is reduced by 20%

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