[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-deepseek-r1-vs-gpt-53-codex":3},{"modelA":4,"modelB":9,"categories":14,"faq":56,"winsA":69,"winsB":70,"relatedArticles":71,"otherComparisons":88},{"name":5,"provider":6,"pricing":7,"highlights":8},"DeepSeek R1","DeepSeek","$0.55\u002F$2.19","671B MoE (37B active); MIT license; distilled variants available",{"name":10,"provider":11,"pricing":12,"highlights":13},"GPT-5.3-Codex","OpenAI","$1.75\u002F$14","Coding-oriented OpenAI model referenced in June 2026 pricing coverage with strong developer-task performance.",[15,19,23,29,34,39,43,47,51],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":22,"winner":18},"context","Context Window","128K",{"key":24,"label":25,"valueA":26,"valueB":27,"winner":28},"pricingInput","Input Price ($\u002F1M)","$0.55","$1.75","a",{"key":30,"label":31,"valueA":32,"valueB":33,"winner":28},"pricingOutput","Output Price ($\u002F1M)","$2.19","$14",{"key":35,"label":36,"valueA":37,"valueB":38,"winner":28},"arena","Arena ELO","1368","N\u002FA",{"key":40,"label":41,"valueA":42,"valueB":38,"winner":18},"coding","Coding","unknown",{"key":44,"label":45,"valueA":46,"valueB":38,"winner":18},"reasoning","Reasoning","#1 Math & Coding Arena",{"key":48,"label":49,"valueA":50,"valueB":38,"winner":28},"speed","Speed (tokens\u002Fsec)","~45 t\u002Fs",{"key":52,"label":53,"valueA":54,"valueB":55,"winner":18},"openSource","Open Source","Yes","No",[57,60,63,66],{"question":58,"answer":59},"Which is cheaper, DeepSeek R1 or GPT-5.3-Codex?","DeepSeek R1 is approximately 83% cheaper than GPT-5.3-Codex per million tokens.",{"question":61,"answer":62},"Which is better for coding, DeepSeek R1 or GPT-5.3-Codex?","DeepSeek R1 scores unknown on coding benchmarks, while GPT-5.3-Codex scores N\u002FA.",{"question":64,"answer":65},"Which has a larger context window?","DeepSeek R1 supports 128K context, while GPT-5.3-Codex supports 128K.",{"question":67,"answer":68},"Is DeepSeek R1 or GPT-5.3-Codex open source?","DeepSeek R1 is open source. GPT-5.3-Codex is proprietary.",4,0,[72,76,79,82,85],{"slug":73,"title":74,"language":75},"5-steps-connect-codex-with-deepseek-en","5 steps to connect Codex with DeepSeek","en",{"slug":77,"title":78,"language":75},"why-claude-code-should-use-deepseek-v4-for-1m-context-en","Why Claude Code Should Use DeepSeek v4 for 1M Context",{"slug":80,"title":81,"language":75},"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":83,"title":84,"language":75},"will-nvidia-stock-recover-after-deepseek-en","Will NVIDIA Stock Recover After DeepSeek?",{"slug":86,"title":87,"language":75},"nvidia-b300-vs-h200-deepseek-perf-en","NVIDIA B300 vs H200: Specs and DeepSeek Perf",[89,94,99,104,109,114,119,124],{"slugA":90,"labelA":91,"slugB":92,"labelB":93},"claude-opus-45-vs-deepseek-r1","DeepSeek R1 vs Claude Opus 4.5","claude-opus-45-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Opus 4.5",{"slugA":95,"labelA":96,"slugB":97,"labelB":98},"deepseek-r1-vs-llama-4-scout","DeepSeek R1 vs Llama 4 Scout","gpt-53-codex-vs-llama-4-scout","GPT-5.3-Codex vs Llama 4 Scout",{"slugA":100,"labelA":101,"slugB":102,"labelB":103},"claude-sonnet-46-vs-deepseek-r1","DeepSeek R1 vs Claude Sonnet 4.6","claude-sonnet-46-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Sonnet 4.6",{"slugA":105,"labelA":106,"slugB":107,"labelB":108},"claude-haiku-45-vs-deepseek-r1","DeepSeek R1 vs Claude Haiku 4.5","claude-haiku-45-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Haiku 4.5",{"slugA":110,"labelA":111,"slugB":112,"labelB":113},"deepseek-r1-vs-glm-52","DeepSeek R1 vs GLM-5.2","glm-52-vs-gpt-53-codex","GPT-5.3-Codex vs GLM-5.2",{"slugA":115,"labelA":116,"slugB":117,"labelB":118},"deepseek-r1-vs-qwen-36","DeepSeek R1 vs Qwen 3.6","gpt-53-codex-vs-qwen-36","GPT-5.3-Codex vs Qwen 3.6",{"slugA":120,"labelA":121,"slugB":122,"labelB":123},"deepseek-r1-vs-gpt-4o","DeepSeek R1 vs GPT-4o","gpt-4o-vs-gpt-53-codex","GPT-5.3-Codex vs GPT-4o",{"slugA":125,"labelA":126,"slugB":127,"labelB":128},"claude-opus-46-vs-deepseek-r1","DeepSeek R1 vs Claude Opus 4.6","claude-opus-46-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Opus 4.6"]