Helicone (Reseller)
xAI: Grok 4 Fast Reasoning Pricing
API pricing for xAI: Grok 4 Fast Reasoning via Helicone. Input tokens cost $0.19999999999999998/1M, output tokens cost $0.5/1M with 2M context window.
Last updated:
ReasoningTools
Input Cost
$0.19999999999999998
per 1M tokens
Output Cost
$0.5
per 1M tokens
Context Window
2M
tokens
Cost Calculator
Estimated Cost:
$0.00
Model Details
Reseller
Helicone
Model ID
grok-4-fast-reasoning
Context Window
2M tokens
Max Output
2000000 tokens
Cache Read Cost
$0.049999999999999996/1M
Sources