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Grok 4.6 vs Kimi K2

Kimi K2 leads in 4 of 8 categories

Arena ELO

Kimi K2

Cheaper

Kimi K2

Faster

Kimi K2

Detailed Comparison

CategoryGrok 4.6Kimi K2
ProviderxAI Moonshot
Context Window500K WIN128K
Input Price ($/1M)$2 $0.55 WIN
Output Price ($/1M)$6 $2.2 WIN
Arena ELON/A 1380 WIN
CodingN/A 65.8% SWE-bench
ReasoningN/A 60.2% BrowseComp
Speed (tokens/sec)N/A ~50 t/s WIN
Open SourceNo Yes

Frequently Asked Questions

Which is cheaper, Grok 4.6 or Kimi K2?

Kimi K2 is approximately 66% cheaper than Grok 4.6 per million tokens.

Which is better for coding, Grok 4.6 or Kimi K2?

Grok 4.6 scores N/A on coding benchmarks, while Kimi K2 scores 65.8% SWE-bench.

Which has a larger context window?

Grok 4.6 supports 500K context, while Kimi K2 supports 128K.

Is Grok 4.6 or Kimi K2 open source?

Grok 4.6 is proprietary. Kimi K2 is open source.