Poe (Reseller)
Grok-4-Fast-Reasoning Pricing
API pricing for Grok-4-Fast-Reasoning via Poe. Input tokens cost $0.2/1M, output tokens cost $0.5/1M with 2M context window.
Last updated:
ReasoningToolsVision
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 Poe
Model ID xai/grok-4-fast-reasoning
Context Window 2M tokens
Max Output 128000 tokens
Cache Read Cost $0.05/1M
Sources