grok-4-fast-non-reasoning vs Claude Haiku 4.5

xAI grok-4-fast-non-reasoningAnthropic Claude Claude Haiku 4.5
VendorxAIAnthropic Claude
Context window2,097,152200,000
Max output30,00064,000
ReasoningNoYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image
Outputtexttext
Released2025-08-272025-10-01