Moonshot AI (Kimi)Kimi K3VSOpenAIGPT-5.6 Luna
Our Take
Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing Kimi K3 and GPT-5.6 Luna directly in their respective provider playgrounds to see which fits your specific prompt styles best.
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Benchmarks & Scores
Coding (swe-bench-pro)
N/Aexcellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)Winner (+1.2%)
93.5%graduate-level science QA
Cost & Context
Cost (per 1M tokens)1.3x cheaper
$1.71Input: $0.95 | Output: $4.00Context Window
262.14k tokensBenchmarks & Scores
Coding (swe-bench-pro)
62.7%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)
92.3%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$2.25Input: $1.00 | Output: $6.00Context WindowLarger
1.05M tokensFrequently Asked Questions about Kimi K3 vs GPT-5.6 Luna
Kimi K3 is cheaper than GPT-5.6 Luna. Kimi K3 has a blended cost of $1.71/1M tokens, which is about 1.3x cheaper than GPT-5.6 Luna at $2.25/1M tokens.
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