[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-gpt-4o-vs-gpt-56-luna":3},{"modelA":4,"modelB":9,"categories":13,"faq":52,"winsA":62,"winsB":63,"relatedArticles":64,"otherComparisons":81},{"name":5,"provider":6,"pricing":7,"highlights":8},"GPT-4o","OpenAI","$2.5\u002F$10","Legacy but still available; superseded by GPT-5 family",{"name":10,"provider":6,"pricing":11,"highlights":12},"GPT-5.6 Luna","$0\u002F$0","Fastest and lowest-cost GPT-5.6 tier, with performance near GPT-5.5 on several tests.",[14,18,22,28,32,36,40,44,48],{"key":15,"label":16,"valueA":6,"valueB":6,"winner":17},"provider","Provider","tie",{"key":19,"label":20,"valueA":21,"valueB":21,"winner":17},"context","Context Window","128K",{"key":23,"label":24,"valueA":25,"valueB":26,"winner":27},"pricingInput","Input Price ($\u002F1M)","$2.5","N\u002FA","a",{"key":29,"label":30,"valueA":31,"valueB":26,"winner":27},"pricingOutput","Output Price ($\u002F1M)","$10",{"key":33,"label":34,"valueA":35,"valueB":26,"winner":27},"arena","Arena ELO","1285",{"key":37,"label":38,"valueA":39,"valueB":26,"winner":17},"coding","Coding","30.8% SWE-bench",{"key":41,"label":42,"valueA":43,"valueB":26,"winner":17},"reasoning","Reasoning","unknown",{"key":45,"label":46,"valueA":47,"valueB":26,"winner":27},"speed","Speed (tokens\u002Fsec)","~100 t\u002Fs",{"key":49,"label":50,"valueA":51,"valueB":51,"winner":17},"openSource","Open Source","No",[53,56,59],{"question":54,"answer":55},"Which is better for coding, GPT-4o or GPT-5.6 Luna?","GPT-4o scores 30.8% SWE-bench on coding benchmarks, while GPT-5.6 Luna scores N\u002FA.",{"question":57,"answer":58},"Which has a larger context window?","GPT-4o supports 128K context, while GPT-5.6 Luna supports 128K.",{"question":60,"answer":61},"Is GPT-4o or GPT-5.6 Luna open source?","GPT-4o is proprietary. GPT-5.6 Luna is proprietary.",4,0,[65,69,72,75,78],{"slug":66,"title":67,"language":68},"openai-gpt-56-rollout-us-request-en","OpenAI narrows GPT-5.6 rollout after U.S. request","en",{"slug":70,"title":71,"language":68},"gpt-56-rumors-2m-context-coding-gains-en","GPT-5.6 rumors point to 2M context and coding gains",{"slug":73,"title":74,"language":68},"gpt-56-fix-and-upgrade-release-en","GPT-5.6 looks like a fix-and-upgrade release",{"slug":76,"title":77,"language":68},"gpt-56-chasing-front-end-before-beating-mythos-en","GPT-5.6先追前端，再谈超越Mythos",{"slug":79,"title":80,"language":68},"what-we-know-about-gpt-56-release-date-en","What We Know About GPT-5.6's Release Date",[82,87,92,97,102,107,112,117],{"slugA":83,"labelA":84,"slugB":85,"labelB":86},"claude-opus-45-vs-gpt-4o","GPT-4o vs Claude Opus 4.5","claude-opus-45-vs-gpt-56-luna","GPT-5.6 Luna vs Claude Opus 4.5",{"slugA":88,"labelA":89,"slugB":90,"labelB":91},"gpt-4o-vs-llama-4-scout","GPT-4o vs Llama 4 Scout","gpt-56-luna-vs-llama-4-scout","GPT-5.6 Luna vs Llama 4 Scout",{"slugA":93,"labelA":94,"slugB":95,"labelB":96},"claude-sonnet-46-vs-gpt-4o","GPT-4o vs Claude Sonnet 4.6","claude-sonnet-46-vs-gpt-56-luna","GPT-5.6 Luna vs Claude Sonnet 4.6",{"slugA":98,"labelA":99,"slugB":100,"labelB":101},"claude-haiku-45-vs-gpt-4o","GPT-4o vs Claude Haiku 4.5","claude-haiku-45-vs-gpt-56-luna","GPT-5.6 Luna vs Claude Haiku 4.5",{"slugA":103,"labelA":104,"slugB":105,"labelB":106},"glm-52-vs-gpt-4o","GPT-4o vs GLM-5.2","glm-52-vs-gpt-56-luna","GPT-5.6 Luna vs GLM-5.2",{"slugA":108,"labelA":109,"slugB":110,"labelB":111},"gpt-4o-vs-qwen-36","GPT-4o vs Qwen 3.6","gpt-56-luna-vs-qwen-36","GPT-5.6 Luna vs Qwen 3.6",{"slugA":113,"labelA":114,"slugB":115,"labelB":116},"claude-fable-5-vs-gpt-4o","GPT-4o vs Claude Fable 5","claude-fable-5-vs-gpt-56-luna","GPT-5.6 Luna vs Claude Fable 5",{"slugA":118,"labelA":119,"slugB":120,"labelB":121},"gpt-4o-vs-kimi-k27-code","GPT-4o vs Kimi K2.7 Code","gpt-56-luna-vs-kimi-k27-code","GPT-5.6 Luna vs Kimi K2.7 Code"]