OpenRouter (Reseller)
Grok 4 Fast Pricing
API pricing for Grok 4 Fast via OpenRouter. Input tokens cost $0.2/1M, output tokens cost $0.5/1M with 2M context window.
Last updated:
ReasoningTools
Input Cost
$0.2
per 1M tokens
Output Cost
$0.5
per 1M tokens
Context Window
2M
tokens
Cost Calculator
Estimated Cost:
$0.00
Model Details
Reseller
OpenRouter
Model ID
x-ai/grok-4-fast
Context Window
2M tokens
Max Output
30000 tokens
Cache Read Cost
$0.05/1M
Sources