[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-gpt-53-codex-vs-grok-4":3},{"modelA":4,"modelB":9,"categories":14,"faq":56,"winsA":69,"winsB":70,"relatedArticles":71,"otherComparisons":91},{"name":5,"provider":6,"pricing":7,"highlights":8},"GPT-5.3-Codex","OpenAI","$1.75\u002F$14","Coding-oriented OpenAI model referenced in June 2026 pricing coverage with strong developer-task performance.",{"name":10,"provider":11,"pricing":12,"highlights":13},"Grok 4","xAI","$5\u002F$25","Top-5 Arena; strong reasoning & real-time X data",[15,19,25,31,36,41,45,48,52],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":23,"winner":24},"context","Context Window","128K","256K","b",{"key":26,"label":27,"valueA":28,"valueB":29,"winner":30},"pricingInput","Input Price ($\u002F1M)","$1.75","$5","a",{"key":32,"label":33,"valueA":34,"valueB":35,"winner":30},"pricingOutput","Output Price ($\u002F1M)","$14","$25",{"key":37,"label":38,"valueA":39,"valueB":40,"winner":24},"arena","Arena ELO","N\u002FA","1340",{"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)","~45 t\u002Fs",{"key":53,"label":54,"valueA":55,"valueB":55,"winner":18},"openSource","Open Source","No",[57,60,63,66],{"question":58,"answer":59},"Which is cheaper, GPT-5.3-Codex or Grok 4?","GPT-5.3-Codex is approximately 48% cheaper than Grok 4 per million tokens.",{"question":61,"answer":62},"Which is better for coding, GPT-5.3-Codex or Grok 4?","GPT-5.3-Codex scores N\u002FA on coding benchmarks, while Grok 4 scores unknown.",{"question":64,"answer":65},"Which has a larger context window?","GPT-5.3-Codex supports 128K context, while Grok 4 supports 256K.",{"question":67,"answer":68},"Is GPT-5.3-Codex or Grok 4 open source?","GPT-5.3-Codex is proprietary. Grok 4 is proprietary.",2,3,[72,76,79,82,85,88],{"slug":73,"title":74,"language":75},"pentagon-should-not-use-grok-wartime-targeting-en","The Pentagon should not use Grok for wartime targeting","en",{"slug":77,"title":78,"language":75},"grok-latest-controversies-regulation-story-en","Grok’s latest controversies are now a regulation story",{"slug":80,"title":81,"language":75},"spacex-ipo-should-not-wash-away-grok-safety-failures-en","SpaceX’s IPO Should Not Wash Away Grok’s Safety Failures",{"slug":83,"title":84,"language":75},"grok-updates-change-how-i-code-en","5 Grok updates that change how I code",{"slug":86,"title":87,"language":75},"advanced-grok-prompt-guide-2026-grok-420-en","Advanced Grok Prompt Guide 2026 for Grok 4.20",{"slug":89,"title":90,"language":75},"why-grok-build-is-not-ready-to-replace-claude-code-en","Why Grok Build is not ready to replace Claude Code",[92,97,102,107,112,117,122,127],{"slugA":93,"labelA":94,"slugB":95,"labelB":96},"claude-opus-45-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Opus 4.5","claude-opus-45-vs-grok-4","Grok 4 vs Claude Opus 4.5",{"slugA":98,"labelA":99,"slugB":100,"labelB":101},"gpt-53-codex-vs-llama-4-scout","GPT-5.3-Codex vs Llama 4 Scout","grok-4-vs-llama-4-scout","Grok 4 vs Llama 4 Scout",{"slugA":103,"labelA":104,"slugB":105,"labelB":106},"claude-sonnet-46-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Sonnet 4.6","claude-sonnet-46-vs-grok-4","Grok 4 vs Claude Sonnet 4.6",{"slugA":108,"labelA":109,"slugB":110,"labelB":111},"claude-haiku-45-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Haiku 4.5","claude-haiku-45-vs-grok-4","Grok 4 vs Claude Haiku 4.5",{"slugA":113,"labelA":114,"slugB":115,"labelB":116},"glm-52-vs-gpt-53-codex","GPT-5.3-Codex vs GLM-5.2","glm-52-vs-grok-4","Grok 4 vs GLM-5.2",{"slugA":118,"labelA":119,"slugB":120,"labelB":121},"gpt-53-codex-vs-qwen-36","GPT-5.3-Codex vs Qwen 3.6","grok-4-vs-qwen-36","Grok 4 vs Qwen 3.6",{"slugA":123,"labelA":124,"slugB":125,"labelB":126},"gpt-4o-vs-gpt-53-codex","GPT-5.3-Codex vs GPT-4o","gpt-4o-vs-grok-4","Grok 4 vs GPT-4o",{"slugA":128,"labelA":129,"slugB":130,"labelB":131},"deepseek-r1-vs-gpt-53-codex","GPT-5.3-Codex vs DeepSeek R1","deepseek-r1-vs-grok-4","Grok 4 vs DeepSeek R1"]