[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-gpt-56-luna-vs-kimi-k2":3},{"modelA":4,"modelB":9,"categories":14,"faq":54,"winsA":64,"winsB":65,"relatedArticles":66,"otherComparisons":86},{"name":5,"provider":6,"pricing":7,"highlights":8},"GPT-5.6 Luna","OpenAI","$0\u002F$0","Fastest and lowest-cost GPT-5.6 tier, with performance near GPT-5.5 on several tests.",{"name":10,"provider":11,"pricing":12,"highlights":13},"Kimi K2","Moonshot","$0.55\u002F$2.2","1T params; Agent Swarm (100 agents); Modified MIT",[15,19,23,29,33,37,41,45,49],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":22,"winner":18},"context","Context Window","128K",{"key":24,"label":25,"valueA":26,"valueB":27,"winner":28},"pricingInput","Input Price ($\u002F1M)","N\u002FA","$0.55","b",{"key":30,"label":31,"valueA":26,"valueB":32,"winner":28},"pricingOutput","Output Price ($\u002F1M)","$2.2",{"key":34,"label":35,"valueA":26,"valueB":36,"winner":28},"arena","Arena ELO","1380",{"key":38,"label":39,"valueA":26,"valueB":40,"winner":18},"coding","Coding","65.8% SWE-bench",{"key":42,"label":43,"valueA":26,"valueB":44,"winner":18},"reasoning","Reasoning","60.2% BrowseComp",{"key":46,"label":47,"valueA":26,"valueB":48,"winner":28},"speed","Speed (tokens\u002Fsec)","~50 t\u002Fs",{"key":50,"label":51,"valueA":52,"valueB":53,"winner":18},"openSource","Open Source","No","Yes",[55,58,61],{"question":56,"answer":57},"Which is better for coding, GPT-5.6 Luna or Kimi K2?","GPT-5.6 Luna scores N\u002FA on coding benchmarks, while Kimi K2 scores 65.8% SWE-bench.",{"question":59,"answer":60},"Which has a larger context window?","GPT-5.6 Luna supports 128K context, while Kimi K2 supports 128K.",{"question":62,"answer":63},"Is GPT-5.6 Luna or Kimi K2 open source?","GPT-5.6 Luna is proprietary. Kimi K2 is open source.",0,4,[67,71,74,77,80,83],{"slug":68,"title":69,"language":70},"kimi-2-7-price-coding-benchmark-en","Kimi 2.7 makes price the real coding benchmark","en",{"slug":72,"title":73,"language":70},"kimi-k26-open-source-coding-agentic-ai-benchmarks-en","Kimi K2.6 tops coding and agentic AI benchmarks",{"slug":75,"title":76,"language":70},"eagle3-real-speedup-kimi-k25-mi325x-en","EAGLE3 is the real speedup for Kimi-K2.5 on MI325X",{"slug":78,"title":79,"language":70},"openai-gpt-56-rollout-us-request-en","OpenAI narrows GPT-5.6 rollout after U.S. request",{"slug":81,"title":82,"language":70},"kimi-k27-code-cheap-open-model-watch-en","Kimi K2.7 Code is the cheap open model to watch",{"slug":84,"title":85,"language":70},"gpt-56-rumors-2m-context-coding-gains-en","GPT-5.6 rumors point to 2M context and coding gains",[87,92,97,102,107,112,117,122],{"slugA":88,"labelA":89,"slugB":90,"labelB":91},"claude-opus-45-vs-gpt-56-luna","GPT-5.6 Luna vs Claude Opus 4.5","claude-opus-45-vs-kimi-k2","Kimi K2 vs Claude Opus 4.5",{"slugA":93,"labelA":94,"slugB":95,"labelB":96},"gpt-56-luna-vs-llama-4-scout","GPT-5.6 Luna vs Llama 4 Scout","kimi-k2-vs-llama-4-scout","Kimi K2 vs Llama 4 Scout",{"slugA":98,"labelA":99,"slugB":100,"labelB":101},"claude-sonnet-46-vs-gpt-56-luna","GPT-5.6 Luna vs Claude Sonnet 4.6","claude-sonnet-46-vs-kimi-k2","Kimi K2 vs Claude Sonnet 4.6",{"slugA":103,"labelA":104,"slugB":105,"labelB":106},"claude-haiku-45-vs-gpt-56-luna","GPT-5.6 Luna vs Claude Haiku 4.5","claude-haiku-45-vs-kimi-k2","Kimi K2 vs Claude Haiku 4.5",{"slugA":108,"labelA":109,"slugB":110,"labelB":111},"glm-52-vs-gpt-56-luna","GPT-5.6 Luna vs GLM-5.2","glm-52-vs-kimi-k2","Kimi K2 vs GLM-5.2",{"slugA":113,"labelA":114,"slugB":115,"labelB":116},"gpt-56-luna-vs-qwen-36","GPT-5.6 Luna vs Qwen 3.6","kimi-k2-vs-qwen-36","Kimi K2 vs Qwen 3.6",{"slugA":118,"labelA":119,"slugB":120,"labelB":121},"claude-fable-5-vs-gpt-56-luna","GPT-5.6 Luna vs Claude Fable 5","claude-fable-5-vs-kimi-k2","Kimi K2 vs Claude Fable 5",{"slugA":123,"labelA":124,"slugB":125,"labelB":126},"gpt-56-luna-vs-kimi-k27-code","GPT-5.6 Luna vs Kimi K2.7 Code","kimi-k2-vs-kimi-k27-code","Kimi K2 vs Kimi K2.7 Code"]