invokeable()
← directory / models / grok-4.1-fast

Grok 4.1 Fast

model grok-4.1-fast

Draft entry — numbers not yet verified against primary sources.

2M
context
30K
max output
$0.20/M
input
$0.50/M
output
—
knowledge cutoff
2
providers

01Providers

ProviderProvider model IDIn $/MOut $/MContextStatus
xAI API grok-4.1-fast 0.20 0.50 2M live
OpenRouter x-ai/grok-4.1-fast 0.20 0.50 2M live

Dimmed prices are canonical — this provider's own quote isn't captured yet.

02Invoke

provider
language

  

  



03Related
Grok 4.62026-08Grok 4.52026-07Grok 4.32026-04Grok 4.20 (Non-Reasoning)2026-03Grok 4.20 (Reasoning)2026-03Grok 4 Fast2025-09


04Sources · where these numbers come from
  1. https://github.com/sst/models.dev
  2. https://openrouter.ai/models
  3. https://docs.x.ai/docs/models
  4. https://x.ai/news
  5. https://docs.x.ai
  6. https://openrouter.ai/docs
  7. https://openrouter.ai/x-ai/grok-4.1-fast