Grok 4.1 Fast
Multimodal
by xAI
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About
Grok 4.1 Fast, released by xAI in November 2025, is a fast-response variant from the Grok 4 family featuring a 2M token context window designed for high-throughput applications. It omits thinking tokens for immediate responses, reducing latency while maintaining strong output quality. Grok 4.1 Fast targets production APIs, real-time assistants, and cost-sensitive applications requiring long-context understanding at high volume.
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Pricing Range
Input (per 1M)$1.00 -$1.00
Output (per 1M)$5.00 -$5.00
Providers1
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Timeline
ReleasedNov 17, 2025
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Specifications
Capabilities
Multimodal
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License & Family
License
Proprietary
Performance Overview
Performance metrics and category breakdown
No benchmark data available for this model