[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-gpt-53-codex-vs-gpt-54":3},{"modelA":4,"modelB":9,"categories":13,"faq":55,"winsA":68,"winsB":69,"relatedArticles":70,"otherComparisons":90},{"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":6,"pricing":11,"highlights":12},"GPT-5.4","$3\u002F$15","Unifies Codex + GPT; 1M context; built-in computer use",[14,18,24,30,35,40,44,47,51],{"key":15,"label":16,"valueA":6,"valueB":6,"winner":17},"provider","Provider","tie",{"key":19,"label":20,"valueA":21,"valueB":22,"winner":23},"context","Context Window","128K","1M","b",{"key":25,"label":26,"valueA":27,"valueB":28,"winner":29},"pricingInput","Input Price ($\u002F1M)","$1.75","$3","a",{"key":31,"label":32,"valueA":33,"valueB":34,"winner":29},"pricingOutput","Output Price ($\u002F1M)","$14","$15",{"key":36,"label":37,"valueA":38,"valueB":39,"winner":23},"arena","Arena ELO","N\u002FA","1560",{"key":41,"label":42,"valueA":38,"valueB":43,"winner":17},"coding","Coding","unknown",{"key":45,"label":46,"valueA":38,"valueB":43,"winner":17},"reasoning","Reasoning",{"key":48,"label":49,"valueA":38,"valueB":50,"winner":23},"speed","Speed (tokens\u002Fsec)","~50 t\u002Fs",{"key":52,"label":53,"valueA":54,"valueB":54,"winner":17},"openSource","Open Source","No",[56,59,62,65],{"question":57,"answer":58},"Which is cheaper, GPT-5.3-Codex or GPT-5.4?","GPT-5.3-Codex is approximately 13% cheaper than GPT-5.4 per million tokens.",{"question":60,"answer":61},"Which is better for coding, GPT-5.3-Codex or GPT-5.4?","GPT-5.3-Codex scores N\u002FA on coding benchmarks, while GPT-5.4 scores unknown.",{"question":63,"answer":64},"Which has a larger context window?","GPT-5.3-Codex supports 128K context, while GPT-5.4 supports 1M.",{"question":66,"answer":67},"Is GPT-5.3-Codex or GPT-5.4 open source?","GPT-5.3-Codex is proprietary. GPT-5.4 is proprietary.",2,3,[71,75,78,81,84,87],{"slug":72,"title":73,"language":74},"gpt-5-4-thinkng-pro-mini-nano-release-en","GPT-5.4 lands with Pro, Thinking, mini, nano","en",{"slug":76,"title":77,"language":74},"openai-gpt-54-cyber-security-access-en","OpenAI pushes GPT-5.4-Cyber into security work",{"slug":79,"title":80,"language":74},"openai-limits-gpt-54-cyber-trusted-firms-en","OpenAI Limits GPT-5.4-Cyber to Trusted Firms",{"slug":82,"title":83,"language":74},"openai-launches-gpt-54-cyber-defense-work-en","OpenAI launches GPT-5.4-Cyber for defense work",{"slug":85,"title":86,"language":74},"gpt-5-4-benchmarks-2026-scores-rankings-en","GPT-5.4 Scores 97.6 in Knowledge Benchmarks",{"slug":88,"title":89,"language":74},"claude-mythos-preview-beats-gpt-54-gemini-benchmarks-en","Claude Mythos Preview Tops GPT-5.4 on Key Benchmarks",[91,96,101,106,111,116,121,126],{"slugA":92,"labelA":93,"slugB":94,"labelB":95},"claude-opus-45-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Opus 4.5","claude-opus-45-vs-gpt-54","GPT-5.4 vs Claude Opus 4.5",{"slugA":97,"labelA":98,"slugB":99,"labelB":100},"gpt-53-codex-vs-llama-4-scout","GPT-5.3-Codex vs Llama 4 Scout","gpt-54-vs-llama-4-scout","GPT-5.4 vs Llama 4 Scout",{"slugA":102,"labelA":103,"slugB":104,"labelB":105},"claude-sonnet-46-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Sonnet 4.6","claude-sonnet-46-vs-gpt-54","GPT-5.4 vs Claude Sonnet 4.6",{"slugA":107,"labelA":108,"slugB":109,"labelB":110},"claude-haiku-45-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Haiku 4.5","claude-haiku-45-vs-gpt-54","GPT-5.4 vs Claude Haiku 4.5",{"slugA":112,"labelA":113,"slugB":114,"labelB":115},"glm-52-vs-gpt-53-codex","GPT-5.3-Codex vs GLM-5.2","glm-52-vs-gpt-54","GPT-5.4 vs GLM-5.2",{"slugA":117,"labelA":118,"slugB":119,"labelB":120},"gpt-53-codex-vs-qwen-36","GPT-5.3-Codex vs Qwen 3.6","gpt-54-vs-qwen-36","GPT-5.4 vs Qwen 3.6",{"slugA":122,"labelA":123,"slugB":124,"labelB":125},"gpt-4o-vs-gpt-53-codex","GPT-5.3-Codex vs GPT-4o","gpt-4o-vs-gpt-54","GPT-5.4 vs GPT-4o",{"slugA":127,"labelA":128,"slugB":129,"labelB":130},"deepseek-r1-vs-gpt-53-codex","GPT-5.3-Codex vs DeepSeek R1","deepseek-r1-vs-gpt-54","GPT-5.4 vs DeepSeek R1"]