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GPT-4.1 Nano vs Kimi K3

GPT-4.1 Nano leads in 2 of 8 categories

Arena ELO

Tie

Cheaper

GPT-4.1 Nano

Faster

Tie

Detailed Comparison

CategoryGPT-4.1 NanoKimi K3
ProviderOpenAI Moonshot AI
Context Window128K 128K
Input Price ($/1M)$0.1 WIN$0.6
Output Price ($/1M)$0.4 WIN$2.5
Arena ELON/A N/A
CodingN/A N/A
ReasoningN/A N/A
Speed (tokens/sec)N/A N/A
Open SourceNo Yes

Frequently Asked Questions

Which is cheaper, GPT-4.1 Nano or Kimi K3?

GPT-4.1 Nano is approximately 84% cheaper than Kimi K3 per million tokens.

Which has a larger context window?

GPT-4.1 Nano supports 128K context, while Kimi K3 supports 128K.

Is GPT-4.1 Nano or Kimi K3 open source?

GPT-4.1 Nano is proprietary. Kimi K3 is open source.

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