xAI: Grok 4 vs xAI: Grok Code Fast 1

Side-by-side model comparison based on OpenRouter API data.

SpecxAI: Grok 4xAI: Grok Code Fast 1
ProviderxAIxAI
Context Length256K256K
Max OutputN/A10K
Input Price/1M$3.00$0.20
Output Price/1M$15$1.50
Cache Read/1M$0.75$0.02
Cache Write/1MFreeFree
Input ModalitiesImage + TextText
Output ModalitiesTextText
TokenizerGrokGrok
ModeratedNoNo
xAI: Grok 4 vs xAI: Grok Code Fast 1 -- AI Model Comparison | AIToolRank