[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-gpt-53-codex-vs-gpt-56-sol":3},{"modelA":4,"modelB":9,"categories":13,"faq":48,"winsA":55,"winsB":56,"relatedArticles":57,"otherComparisons":74},{"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-5.6 Sol","$0\u002F$0","Frontier preview model that reportedly leads on coding and cybersecurity benchmarks.",[14,18,22,28,32,35,38,41,44],{"key":15,"label":16,"valueA":6,"valueB":6,"winner":17},"provider","Provider","tie",{"key":19,"label":20,"valueA":21,"valueB":21,"winner":17},"context","Context Window","128K",{"key":23,"label":24,"valueA":25,"valueB":26,"winner":27},"pricingInput","Input Price ($\u002F1M)","$1.75","N\u002FA","a",{"key":29,"label":30,"valueA":31,"valueB":26,"winner":27},"pricingOutput","Output Price ($\u002F1M)","$14",{"key":33,"label":34,"valueA":26,"valueB":26,"winner":17},"arena","Arena ELO",{"key":36,"label":37,"valueA":26,"valueB":26,"winner":17},"coding","Coding",{"key":39,"label":40,"valueA":26,"valueB":26,"winner":17},"reasoning","Reasoning",{"key":42,"label":43,"valueA":26,"valueB":26,"winner":17},"speed","Speed (tokens\u002Fsec)",{"key":45,"label":46,"valueA":47,"valueB":47,"winner":17},"openSource","Open Source","No",[49,52],{"question":50,"answer":51},"Which has a larger context window?","GPT-5.3-Codex supports 128K context, while GPT-5.6 Sol supports 128K.",{"question":53,"answer":54},"Is GPT-5.3-Codex or GPT-5.6 Sol open source?","GPT-5.3-Codex is proprietary. GPT-5.6 Sol is proprietary.",2,0,[58,62,65,68,71],{"slug":59,"title":60,"language":61},"openai-gpt-56-rollout-us-request-en","OpenAI narrows GPT-5.6 rollout after U.S. request","en",{"slug":63,"title":64,"language":61},"gpt-56-rumors-2m-context-coding-gains-en","GPT-5.6 rumors point to 2M context and coding gains",{"slug":66,"title":67,"language":61},"gpt-56-fix-and-upgrade-release-en","GPT-5.6 looks like a fix-and-upgrade release",{"slug":69,"title":70,"language":61},"gpt-56-chasing-front-end-before-beating-mythos-en","GPT-5.6先追前端，再谈超越Mythos",{"slug":72,"title":73,"language":61},"what-we-know-about-gpt-56-release-date-en","What We Know About GPT-5.6's Release Date",[75,80,85,90,95,100,105,110],{"slugA":76,"labelA":77,"slugB":78,"labelB":79},"claude-opus-45-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Opus 4.5","claude-opus-45-vs-gpt-56-sol","GPT-5.6 Sol vs Claude Opus 4.5",{"slugA":81,"labelA":82,"slugB":83,"labelB":84},"gpt-53-codex-vs-llama-4-scout","GPT-5.3-Codex vs Llama 4 Scout","gpt-56-sol-vs-llama-4-scout","GPT-5.6 Sol vs Llama 4 Scout",{"slugA":86,"labelA":87,"slugB":88,"labelB":89},"claude-sonnet-46-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Sonnet 4.6","claude-sonnet-46-vs-gpt-56-sol","GPT-5.6 Sol vs Claude Sonnet 4.6",{"slugA":91,"labelA":92,"slugB":93,"labelB":94},"claude-haiku-45-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Haiku 4.5","claude-haiku-45-vs-gpt-56-sol","GPT-5.6 Sol vs Claude Haiku 4.5",{"slugA":96,"labelA":97,"slugB":98,"labelB":99},"glm-52-vs-gpt-53-codex","GPT-5.3-Codex vs GLM-5.2","glm-52-vs-gpt-56-sol","GPT-5.6 Sol vs GLM-5.2",{"slugA":101,"labelA":102,"slugB":103,"labelB":104},"gpt-53-codex-vs-qwen-36","GPT-5.3-Codex vs Qwen 3.6","gpt-56-sol-vs-qwen-36","GPT-5.6 Sol vs Qwen 3.6",{"slugA":106,"labelA":107,"slugB":108,"labelB":109},"claude-fable-5-vs-gpt-53-codex","GPT-5.3-Codex vs Claude Fable 5","claude-fable-5-vs-gpt-56-sol","GPT-5.6 Sol vs Claude Fable 5",{"slugA":111,"labelA":112,"slugB":113,"labelB":114},"gpt-53-codex-vs-kimi-k27-code","GPT-5.3-Codex vs Kimi K2.7 Code","gpt-56-sol-vs-kimi-k27-code","GPT-5.6 Sol vs Kimi K2.7 Code"]