x-ai

xAI: Grok 4.1 Fast

Grok 4.1 Fast is xAI's best agentic tool calling model that shines in real-world use cases like customer support and deep research. 2M context window. Reasoning can be enabled/disabled using...

Input Cost
$0.20
per 1M tokens
Output Cost
$0.50
per 1M tokens
Context Window
2,000,000
tokens
Compare vs GPT-4o
Developer ID: x-ai/grok-4.1-fast

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