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Grok 4.5 vs MiniMax H3

Grok 4.5 leads in 3 of 8 categories

Arena ELO

Tie

Cheaper

Grok 4.5

Faster

Tie

Detailed Comparison

CategoryGrok 4.5MiniMax H3
ProviderxAI MiniMax
Context Window128K WINuncertain
Input Price ($/1M)$0.2 WINN/A
Output Price ($/1M)$1 WINN/A
Arena ELON/A N/A
CodingN/A N/A
ReasoningN/A N/A
Speed (tokens/sec)N/A N/A
Open SourceNo No

Frequently Asked Questions

Which has a larger context window?

Grok 4.5 supports 128K context, while MiniMax H3 supports uncertain.

Is Grok 4.5 or MiniMax H3 open source?

Grok 4.5 is proprietary. MiniMax H3 is proprietary.