Grok 4.1 Fast Non-Reasoning

grok-4.1-fast-non-reasoning
byxAI|Created Nov 20, 2025
Chat Completions

Grok 4.1 Fast Non-Reasoning is xAI's high-speed variant optimized for instant responses and straightforward queries, featuring a 2M token context window. Designed for production workflows requiring rapid inference without deep reasoning overhead, it maintains strong tool-calling capabilities and multi-turn consistency while delivering faster response times. Ideal for real-time applications, customer-facing chatbots, and scenarios where speed is critical, Grok 4.1 Fast Non-Reasoning balances performance with cost-effectiveness for efficient, production-ready agent deployments.

Pricing

Pay-as-you-go rates for this model. More details can be found here.

Input Tokens (1M)

$0.20

Cached Input Tokens (1M)

$0.05

Output Tokens (1M)

$0.50

Capabilities

Input Modalities

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Output Modalities

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Supported Parameters

Available parameters for API requests

Max Completion Tokens
Parallel Tool Calls
Response Format
Temperature
Tool Choice
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