x-ai/grok-4.1-fast
上下文长度: 2,000,000
text+image->text
Grok
2025-11-20 更新
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 the reasoning enabled parameter in the API. Learn more in our docs