X-ai
xAI: Grok 4.1 Fast
Symphonietta
Symphony
REGULAR
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.
Input Price
4 credits/M
per million tokens
Output Price
10 credits/M
per million tokens
Context Window
2,000,000
tokens
Capabilities
Input
TEXT-AND-IMAGE
Output
TEXT