[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-deepseek-v4-flash-vs-gpt-53-codex":3},{"modelA":4,"modelB":9,"categories":14,"faq":52,"winsA":62,"winsB":63,"relatedArticles":64,"otherComparisons":81},{"name":5,"provider":6,"pricing":7,"highlights":8},"DeepSeek V4 Flash","DeepSeek","$0.14\u002F$0.28","Low-cost DeepSeek variant cited in 2026 token-cost comparisons as a budget option for fast inference.",{"name":10,"provider":11,"pricing":12,"highlights":13},"GPT-5.3-Codex","OpenAI","$1.75\u002F$14","Coding-oriented OpenAI model referenced in June 2026 pricing coverage with strong developer-task performance.",[15,19,23,29,34,38,41,44,47],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":22,"winner":18},"context","Context Window","128K",{"key":24,"label":25,"valueA":26,"valueB":27,"winner":28},"pricingInput","Input Price ($\u002F1M)","$0.14","$1.75","a",{"key":30,"label":31,"valueA":32,"valueB":33,"winner":28},"pricingOutput","Output Price ($\u002F1M)","$0.28","$14",{"key":35,"label":36,"valueA":37,"valueB":37,"winner":18},"arena","Arena ELO","N\u002FA",{"key":39,"label":40,"valueA":37,"valueB":37,"winner":18},"coding","Coding",{"key":42,"label":43,"valueA":37,"valueB":37,"winner":18},"reasoning","Reasoning",{"key":45,"label":46,"valueA":37,"valueB":37,"winner":18},"speed","Speed (tokens\u002Fsec)",{"key":48,"label":49,"valueA":50,"valueB":51,"winner":18},"openSource","Open Source","Yes","No",[53,56,59],{"question":54,"answer":55},"Which is cheaper, DeepSeek V4 Flash or GPT-5.3-Codex?","DeepSeek V4 Flash is approximately 97% cheaper than GPT-5.3-Codex per million tokens.",{"question":57,"answer":58},"Which has a larger context window?","DeepSeek V4 Flash supports 128K context, while GPT-5.3-Codex supports 128K.",{"question":60,"answer":61},"Is DeepSeek V4 Flash or GPT-5.3-Codex open source?","DeepSeek V4 Flash is open source. GPT-5.3-Codex is proprietary.",2,0,[65,69,72,75,78],{"slug":66,"title":67,"language":68},"5-steps-connect-codex-with-deepseek-en","5 steps to connect Codex with DeepSeek","en",{"slug":70,"title":71,"language":68},"why-claude-code-should-use-deepseek-v4-for-1m-context-en","Why Claude Code Should Use DeepSeek v4 for 1M Context",{"slug":73,"title":74,"language":68},"why-deepseek-v4-plus-claude-code-is-the-wrong-way-to-judge-c-en","Why DeepSeek V4 plus Claude Code is the wrong way to judge coding mod…",{"slug":76,"title":77,"language":68},"will-nvidia-stock-recover-after-deepseek-en","Will NVIDIA Stock Recover After DeepSeek?",{"slug":79,"title":80,"language":68},"nvidia-b300-vs-h200-deepseek-perf-en","NVIDIA B300 vs H200: Specs and DeepSeek Perf",[82,87,92,97,102,107,112,117],{"slugA":83,"labelA":84,"slugB":85,"labelB":86},"claude-opus-45-vs-deepseek-v4-flash","DeepSeek V4 Flash vs Claude Opus 4.5","claude-opus-45-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Opus 4.5",{"slugA":88,"labelA":89,"slugB":90,"labelB":91},"deepseek-v4-flash-vs-llama-4-scout","DeepSeek V4 Flash vs Llama 4 Scout","gpt-53-codex-vs-llama-4-scout","GPT-5.3-Codex vs Llama 4 Scout",{"slugA":93,"labelA":94,"slugB":95,"labelB":96},"claude-sonnet-46-vs-deepseek-v4-flash","DeepSeek V4 Flash vs Claude Sonnet 4.6","claude-sonnet-46-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Sonnet 4.6",{"slugA":98,"labelA":99,"slugB":100,"labelB":101},"claude-haiku-45-vs-deepseek-v4-flash","DeepSeek V4 Flash vs Claude Haiku 4.5","claude-haiku-45-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Haiku 4.5",{"slugA":103,"labelA":104,"slugB":105,"labelB":106},"deepseek-v4-flash-vs-glm-52","DeepSeek V4 Flash vs GLM-5.2","glm-52-vs-gpt-53-codex","GPT-5.3-Codex vs GLM-5.2",{"slugA":108,"labelA":109,"slugB":110,"labelB":111},"deepseek-v4-flash-vs-qwen-36","DeepSeek V4 Flash vs Qwen 3.6","gpt-53-codex-vs-qwen-36","GPT-5.3-Codex vs Qwen 3.6",{"slugA":113,"labelA":114,"slugB":115,"labelB":116},"deepseek-v4-flash-vs-gpt-4o","DeepSeek V4 Flash vs GPT-4o","gpt-4o-vs-gpt-53-codex","GPT-5.3-Codex vs GPT-4o",{"slugA":118,"labelA":119,"slugB":120,"labelB":121},"deepseek-r1-vs-deepseek-v4-flash","DeepSeek V4 Flash vs DeepSeek R1","deepseek-r1-vs-gpt-53-codex","GPT-5.3-Codex vs DeepSeek R1"]