[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-gpt-4o-vs-kimi-k3":3},{"modelA":4,"modelB":9,"categories":14,"faq":56,"winsA":69,"winsB":69,"relatedArticles":70,"otherComparisons":90},{"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but still available; superseded by GPT-5 family",{"name":10,"provider":11,"pricing":12,"highlights":13},"Kimi K3","Moonshot AI","$0.60\u002F$2.50","A newly released 2.8T-parameter open-source frontier model positioned as a top-tier competitor to leading U.S. systems.",[15,19,23,29,33,39,43,47,51],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":22,"winner":18},"context","Context Window","128K",{"key":24,"label":25,"valueA":26,"valueB":27,"winner":28},"pricingInput","Input Price ($\u002F1M)","$2.5","$0.6","b",{"key":30,"label":31,"valueA":32,"valueB":26,"winner":28},"pricingOutput","Output Price ($\u002F1M)","$10",{"key":34,"label":35,"valueA":36,"valueB":37,"winner":38},"arena","Arena ELO","1340","N\u002FA","a",{"key":40,"label":41,"valueA":42,"valueB":37,"winner":18},"coding","Coding","30.8% SWE-bench",{"key":44,"label":45,"valueA":46,"valueB":37,"winner":18},"reasoning","Reasoning","unknown",{"key":48,"label":49,"valueA":50,"valueB":37,"winner":38},"speed","Speed (tokens\u002Fsec)","~100 t\u002Fs",{"key":52,"label":53,"valueA":54,"valueB":55,"winner":18},"openSource","Open Source","No","Yes",[57,60,63,66],{"question":58,"answer":59},"Which is cheaper, GPT-4o or Kimi K3?","Kimi K3 is approximately 75% cheaper than GPT-4o per million tokens.",{"question":61,"answer":62},"Which is better for coding, GPT-4o or Kimi K3?","GPT-4o scores 30.8% SWE-bench on coding benchmarks, while Kimi K3 scores N\u002FA.",{"question":64,"answer":65},"Which has a larger context window?","GPT-4o supports 128K context, while Kimi K3 supports 128K.",{"question":67,"answer":68},"Is GPT-4o or Kimi K3 open source?","GPT-4o is proprietary. Kimi K3 is open source.",2,[71,75,78,81,84,87],{"slug":72,"title":73,"language":74},"kimi-k3-benchmark-evaluation-guide-coding-agents-en","Kimi K3 Benchmark Evaluation Guide for Coding Agents","en",{"slug":76,"title":77,"language":74},"kimi-k3-intelligence-performance-price-analysis-en","Kimi K3 Proves Intelligence Still Costs Too Much",{"slug":79,"title":80,"language":74},"kimi-k3-pressure-middle-tier-ai-models-en","Kimi K3 could pressure the middle tier of AI models",{"slug":82,"title":83,"language":74},"kimi-k3-model-hype-into-harness-work-en","Kimi K3 turns model hype into harness work",{"slug":85,"title":86,"language":74},"kimi-api-quickstart-k27-code-highspeed-en","Kimi API quickstart adds K2.7 Code and Highspeed",{"slug":88,"title":89,"language":74},"kimi-k26-turns-prompt-into-brand-sites-en","Kimi K2.6 turns a prompt into brand sites",[91,96,101,106,111,116,121,126],{"slugA":92,"labelA":93,"slugB":94,"labelB":95},"claude-opus-45-vs-gpt-4o","GPT-4o vs Claude Opus 4.5","claude-opus-45-vs-kimi-k3","Kimi K3 vs Claude Opus 4.5",{"slugA":97,"labelA":98,"slugB":99,"labelB":100},"gpt-4o-vs-llama-4-scout","GPT-4o vs Llama 4 Scout","kimi-k3-vs-llama-4-scout","Kimi K3 vs Llama 4 Scout",{"slugA":102,"labelA":103,"slugB":104,"labelB":105},"claude-haiku-45-vs-gpt-4o","GPT-4o vs Claude Haiku 4.5","claude-haiku-45-vs-kimi-k3","Kimi K3 vs Claude Haiku 4.5",{"slugA":107,"labelA":108,"slugB":109,"labelB":110},"gpt-4o-vs-qwen-36","GPT-4o vs Qwen 3.6","kimi-k3-vs-qwen-36","Kimi K3 vs Qwen 3.6",{"slugA":112,"labelA":113,"slugB":114,"labelB":115},"gpt-4o-vs-kimi-k27-code","GPT-4o vs Kimi K2.7 Code","kimi-k27-code-vs-kimi-k3","Kimi K3 vs Kimi K2.7 Code",{"slugA":117,"labelA":118,"slugB":119,"labelB":120},"deepseek-v4-flash-vs-gpt-4o","GPT-4o vs DeepSeek V4 Flash","deepseek-v4-flash-vs-kimi-k3","Kimi K3 vs DeepSeek V4 Flash",{"slugA":122,"labelA":123,"slugB":124,"labelB":125},"claude-sonnet-46-vs-gpt-4o","GPT-4o vs Claude Sonnet 4.6","claude-sonnet-46-vs-kimi-k3","Kimi K3 vs Claude Sonnet 4.6",{"slugA":127,"labelA":128,"slugB":129,"labelB":130},"claude-fable-5-vs-gpt-4o","GPT-4o vs Claude Fable 5","claude-fable-5-vs-kimi-k3","Kimi K3 vs Claude Fable 5"]