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AI Radar
DE
Curated AI Intelligence Est. 2026
Status: Stable

xAI: Grok 4.1 Fast

Provider: xAI Stable
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Capabilities

Context window 2.0M Tokens
Status Stable xAI
Input Price $0.200 / 1M Tokens
Output Price $0.500 / 1M Tokens
OpenRouter ID x-ai/grok-4.1-fast

Technical specs

  • Model ID
    grok-4.1-fast
  • Family —
  • Context window 2.0M
  • Release —

Timeline

History

4/2/2026 · today

First captured in AI Radar

xAI