grok-4-fast-chat vs mimo-v2-pro

Direct benchmark comparison between grok-4-fast-chat and mimo-v2-pro based on LMArena Elo and latest API pricing.

Direct Technical Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
grok-4-fast-chat	1421	$2e-7	164
mimo-v2-pro	1444	$0.000001	36

*These models represent the Pareto Frontier (optimal cost-to-performance).*

Conclusion: For developers looking for higher intelligence, mimo-v2-pro currently leads with an Elo of 1444.