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GPT-5.6 Luna vs MiniMax H3

GPT-5.6 Luna leads in 3 of 8 categories

Arena ELO

Tie

Cheaper

GPT-5.6 Luna

Faster

Tie

Detailed Comparison

CategoryGPT-5.6 LunaMiniMax H3
ProviderOpenAI MiniMax
Context Window128K WINuncertain
Input Price ($/1M)$10 WINN/A
Output Price ($/1M)$30 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?

GPT-5.6 Luna supports 128K context, while MiniMax H3 supports uncertain.

Is GPT-5.6 Luna or MiniMax H3 open source?

GPT-5.6 Luna is proprietary. MiniMax H3 is proprietary.