[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-kimi-k3-vs-o3":3},{"modelA":4,"modelB":9,"categories":14,"faq":57,"winsA":70,"winsB":71,"relatedArticles":72,"otherComparisons":92},{"name":5,"provider":6,"pricing":7,"highlights":8},"Kimi K3","Moonshot AI","$0.60\u002F$2.50","A newly released 2.8T-parameter open-source frontier model positioned as a top-tier competitor to leading U.S. systems.",{"name":10,"provider":11,"pricing":12,"highlights":13},"o3","OpenAI","$10\u002F$40","Strongest OpenAI reasoning model",[15,19,25,31,36,41,45,48,52],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":23,"winner":24},"context","Context Window","128K","200K","b",{"key":26,"label":27,"valueA":28,"valueB":29,"winner":30},"pricingInput","Input Price ($\u002F1M)","$0.6","$10","a",{"key":32,"label":33,"valueA":34,"valueB":35,"winner":30},"pricingOutput","Output Price ($\u002F1M)","$2.5","$40",{"key":37,"label":38,"valueA":39,"valueB":40,"winner":24},"arena","Arena ELO","N\u002FA","1350",{"key":42,"label":43,"valueA":39,"valueB":44,"winner":18},"coding","Coding","unknown",{"key":46,"label":47,"valueA":39,"valueB":44,"winner":18},"reasoning","Reasoning",{"key":49,"label":50,"valueA":39,"valueB":51,"winner":24},"speed","Speed (tokens\u002Fsec)","~30 t\u002Fs",{"key":53,"label":54,"valueA":55,"valueB":56,"winner":18},"openSource","Open Source","Yes","No",[58,61,64,67],{"question":59,"answer":60},"Which is cheaper, Kimi K3 or o3?","Kimi K3 is approximately 94% cheaper than o3 per million tokens.",{"question":62,"answer":63},"Which is better for coding, Kimi K3 or o3?","Kimi K3 scores N\u002FA on coding benchmarks, while o3 scores unknown.",{"question":65,"answer":66},"Which has a larger context window?","Kimi K3 supports 128K context, while o3 supports 200K.",{"question":68,"answer":69},"Is Kimi K3 or o3 open source?","Kimi K3 is open source. o3 is proprietary.",2,3,[73,77,80,83,86,89],{"slug":74,"title":75,"language":76},"kimi-k3-benchmark-evaluation-guide-coding-agents-en","Kimi K3 Benchmark Evaluation Guide for Coding Agents","en",{"slug":78,"title":79,"language":76},"kimi-k3-intelligence-performance-price-analysis-en","Kimi K3 Proves Intelligence Still Costs Too Much",{"slug":81,"title":82,"language":76},"kimi-k3-pressure-middle-tier-ai-models-en","Kimi K3 could pressure the middle tier of AI models",{"slug":84,"title":85,"language":76},"kimi-k3-model-hype-into-harness-work-en","Kimi K3 turns model hype into harness work",{"slug":87,"title":88,"language":76},"kimi-api-quickstart-k27-code-highspeed-en","Kimi API quickstart adds K2.7 Code and Highspeed",{"slug":90,"title":91,"language":76},"kimi-k26-turns-prompt-into-brand-sites-en","Kimi K2.6 turns a prompt into brand sites",[93,98,103,108,113,118,123,128],{"slugA":94,"labelA":95,"slugB":96,"labelB":97},"claude-opus-45-vs-kimi-k3","Kimi K3 vs Claude Opus 4.5","claude-opus-45-vs-o3","o3 vs Claude Opus 4.5",{"slugA":99,"labelA":100,"slugB":101,"labelB":102},"kimi-k3-vs-llama-4-scout","Kimi K3 vs Llama 4 Scout","llama-4-scout-vs-o3","o3 vs Llama 4 Scout",{"slugA":104,"labelA":105,"slugB":106,"labelB":107},"claude-haiku-45-vs-kimi-k3","Kimi K3 vs Claude Haiku 4.5","claude-haiku-45-vs-o3","o3 vs Claude Haiku 4.5",{"slugA":109,"labelA":110,"slugB":111,"labelB":112},"kimi-k3-vs-qwen-36","Kimi K3 vs Qwen 3.6","o3-vs-qwen-36","o3 vs Qwen 3.6",{"slugA":114,"labelA":115,"slugB":116,"labelB":117},"kimi-k27-code-vs-kimi-k3","Kimi K3 vs Kimi K2.7 Code","kimi-k27-code-vs-o3","o3 vs Kimi K2.7 Code",{"slugA":119,"labelA":120,"slugB":121,"labelB":122},"deepseek-v4-flash-vs-kimi-k3","Kimi K3 vs DeepSeek V4 Flash","deepseek-v4-flash-vs-o3","o3 vs DeepSeek V4 Flash",{"slugA":124,"labelA":125,"slugB":126,"labelB":127},"claude-sonnet-46-vs-kimi-k3","Kimi K3 vs Claude Sonnet 4.6","claude-sonnet-46-vs-o3","o3 vs Claude Sonnet 4.6",{"slugA":129,"labelA":130,"slugB":131,"labelB":132},"claude-fable-5-vs-kimi-k3","Kimi K3 vs Claude Fable 5","claude-fable-5-vs-o3","o3 vs Claude Fable 5"]