[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-gpt-53-codex-vs-grok-45":3},{"modelA":4,"modelB":9,"categories":14,"faq":49,"winsA":56,"winsB":57,"relatedArticles":58,"otherComparisons":78},{"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 4.5","xAI","$0\u002F$0","Reportedly entered private beta with a much larger parameter count and new training data, but public API pricing is not yet confirmed.",[15,19,23,29,33,36,39,42,45],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":22,"winner":18},"context","Context Window","128K",{"key":24,"label":25,"valueA":26,"valueB":27,"winner":28},"pricingInput","Input Price ($\u002F1M)","$1.75","N\u002FA","a",{"key":30,"label":31,"valueA":32,"valueB":27,"winner":28},"pricingOutput","Output Price ($\u002F1M)","$14",{"key":34,"label":35,"valueA":27,"valueB":27,"winner":18},"arena","Arena ELO",{"key":37,"label":38,"valueA":27,"valueB":27,"winner":18},"coding","Coding",{"key":40,"label":41,"valueA":27,"valueB":27,"winner":18},"reasoning","Reasoning",{"key":43,"label":44,"valueA":27,"valueB":27,"winner":18},"speed","Speed (tokens\u002Fsec)",{"key":46,"label":47,"valueA":48,"valueB":48,"winner":18},"openSource","Open Source","No",[50,53],{"question":51,"answer":52},"Which has a larger context window?","GPT-5.3-Codex supports 128K context, while Grok 4.5 supports 128K.",{"question":54,"answer":55},"Is GPT-5.3-Codex or Grok 4.5 open source?","GPT-5.3-Codex is proprietary. Grok 4.5 is proprietary.",2,0,[59,63,66,69,72,75],{"slug":60,"title":61,"language":62},"grok-45-private-beta-tesla-spacex-en","Grok 4.5 enters private beta at Tesla and SpaceX","en",{"slug":64,"title":65,"language":62},"grok-imagine-1-5-turns-prompts-into-720p-video-en","Grok Imagine 1.5 turns prompts into 720p video",{"slug":67,"title":68,"language":62},"grok-ai-price-surge-liquidity-warning-en","Grok AI’s price surge is a liquidity warning, not a thesis",{"slug":70,"title":71,"language":62},"grok-build-goal-autonomous-coding-en","Grok Build Adds \u002Fgoal for Autonomous Coding",{"slug":73,"title":74,"language":62},"pentagon-should-not-use-grok-wartime-targeting-en","The Pentagon should not use Grok for wartime targeting",{"slug":76,"title":77,"language":62},"grok-latest-controversies-regulation-story-en","Grok’s latest controversies are now a regulation story",[79,84,89,94,99,104,109,114],{"slugA":80,"labelA":81,"slugB":82,"labelB":83},"claude-opus-45-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Opus 4.5","claude-opus-45-vs-grok-45","Grok 4.5 vs Claude Opus 4.5",{"slugA":85,"labelA":86,"slugB":87,"labelB":88},"gpt-53-codex-vs-llama-4-scout","GPT-5.3-Codex vs Llama 4 Scout","grok-45-vs-llama-4-scout","Grok 4.5 vs Llama 4 Scout",{"slugA":90,"labelA":91,"slugB":92,"labelB":93},"claude-sonnet-46-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Sonnet 4.6","claude-sonnet-46-vs-grok-45","Grok 4.5 vs Claude Sonnet 4.6",{"slugA":95,"labelA":96,"slugB":97,"labelB":98},"claude-haiku-45-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Haiku 4.5","claude-haiku-45-vs-grok-45","Grok 4.5 vs Claude Haiku 4.5",{"slugA":100,"labelA":101,"slugB":102,"labelB":103},"gpt-53-codex-vs-qwen-36","GPT-5.3-Codex vs Qwen 3.6","grok-45-vs-qwen-36","Grok 4.5 vs Qwen 3.6",{"slugA":105,"labelA":106,"slugB":107,"labelB":108},"claude-fable-5-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Fable 5","claude-fable-5-vs-grok-45","Grok 4.5 vs Claude Fable 5",{"slugA":110,"labelA":111,"slugB":112,"labelB":113},"gpt-53-codex-vs-kimi-k27-code","GPT-5.3-Codex vs Kimi K2.7 Code","grok-45-vs-kimi-k27-code","Grok 4.5 vs Kimi K2.7 Code",{"slugA":115,"labelA":116,"slugB":117,"labelB":118},"deepseek-v4-flash-vs-gpt-53-codex","GPT-5.3-Codex vs DeepSeek V4 Flash","deepseek-v4-flash-vs-grok-45","Grok 4.5 vs DeepSeek V4 Flash"]