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Grok 4.5 vs Grok 4.6

Grok 4.5 leads in 2 of 8 categories

Arena ELO

Tie

Cheaper

Grok 4.5

Faster

Tie

Detailed Comparison

CategoryGrok 4.5Grok 4.6
ProviderxAI xAI
Context Window128K 500K WIN
Input Price ($/1M)$0.2 WIN$2
Output Price ($/1M)$1 WIN$6
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 is cheaper, Grok 4.5 or Grok 4.6?

Grok 4.5 is approximately 85% cheaper than Grok 4.6 per million tokens.

Which has a larger context window?

Grok 4.5 supports 128K context, while Grok 4.6 supports 500K.

Is Grok 4.5 or Grok 4.6 open source?

Grok 4.5 is proprietary. Grok 4.6 is proprietary.

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