[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-gpt-54-vs-longcat-20":3},{"modelA":4,"modelB":9,"categories":14,"faq":54,"winsA":64,"winsB":65,"relatedArticles":66,"otherComparisons":86},{"name":5,"provider":6,"pricing":7,"highlights":8},"GPT-5.4","OpenAI","$3\u002F$15","Unifies Codex + GPT; 1M context; built-in computer use",{"name":10,"provider":11,"pricing":12,"highlights":13},"LongCat-2.0","Meituan","$0\u002F$0","Open-sourced in recent news as a new large model release, but reliable public API pricing was not available.",[15,19,25,30,34,38,42,45,49],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":23,"winner":24},"context","Context Window","1M","128K","a",{"key":26,"label":27,"valueA":28,"valueB":29,"winner":24},"pricingInput","Input Price ($\u002F1M)","$3","N\u002FA",{"key":31,"label":32,"valueA":33,"valueB":29,"winner":24},"pricingOutput","Output Price ($\u002F1M)","$15",{"key":35,"label":36,"valueA":37,"valueB":29,"winner":24},"arena","Arena ELO","1560",{"key":39,"label":40,"valueA":41,"valueB":29,"winner":18},"coding","Coding","unknown",{"key":43,"label":44,"valueA":41,"valueB":29,"winner":18},"reasoning","Reasoning",{"key":46,"label":47,"valueA":48,"valueB":29,"winner":24},"speed","Speed (tokens\u002Fsec)","~50 t\u002Fs",{"key":50,"label":51,"valueA":52,"valueB":53,"winner":18},"openSource","Open Source","No","Yes",[55,58,61],{"question":56,"answer":57},"Which is better for coding, GPT-5.4 or LongCat-2.0?","GPT-5.4 scores unknown on coding benchmarks, while LongCat-2.0 scores N\u002FA.",{"question":59,"answer":60},"Which has a larger context window?","GPT-5.4 supports 1M context, while LongCat-2.0 supports 128K.",{"question":62,"answer":63},"Is GPT-5.4 or LongCat-2.0 open source?","GPT-5.4 is proprietary. LongCat-2.0 is open source.",5,0,[67,71,74,77,80,83],{"slug":68,"title":69,"language":70},"gpt-5-4-thinkng-pro-mini-nano-release-en","GPT-5.4 lands with Pro, Thinking, mini, nano","en",{"slug":72,"title":73,"language":70},"openai-gpt-54-cyber-security-access-en","OpenAI pushes GPT-5.4-Cyber into security work",{"slug":75,"title":76,"language":70},"openai-limits-gpt-54-cyber-trusted-firms-en","OpenAI Limits GPT-5.4-Cyber to Trusted Firms",{"slug":78,"title":79,"language":70},"openai-launches-gpt-54-cyber-defense-work-en","OpenAI launches GPT-5.4-Cyber for defense work",{"slug":81,"title":82,"language":70},"gpt-5-4-benchmarks-2026-scores-rankings-en","GPT-5.4 Scores 97.6 in Knowledge Benchmarks",{"slug":84,"title":85,"language":70},"claude-mythos-preview-beats-gpt-54-gemini-benchmarks-en","Claude Mythos Preview Tops GPT-5.4 on Key Benchmarks",[87,92,97,102,107,112,117,122],{"slugA":88,"labelA":89,"slugB":90,"labelB":91},"claude-opus-45-vs-gpt-54","GPT-5.4 vs Claude Opus 4.5","claude-opus-45-vs-longcat-20","LongCat-2.0 vs Claude Opus 4.5",{"slugA":93,"labelA":94,"slugB":95,"labelB":96},"gpt-54-vs-llama-4-scout","GPT-5.4 vs Llama 4 Scout","llama-4-scout-vs-longcat-20","LongCat-2.0 vs Llama 4 Scout",{"slugA":98,"labelA":99,"slugB":100,"labelB":101},"claude-sonnet-46-vs-gpt-54","GPT-5.4 vs Claude Sonnet 4.6","claude-sonnet-46-vs-longcat-20","LongCat-2.0 vs Claude Sonnet 4.6",{"slugA":103,"labelA":104,"slugB":105,"labelB":106},"claude-haiku-45-vs-gpt-54","GPT-5.4 vs Claude Haiku 4.5","claude-haiku-45-vs-longcat-20","LongCat-2.0 vs Claude Haiku 4.5",{"slugA":108,"labelA":109,"slugB":110,"labelB":111},"gpt-54-vs-qwen-36","GPT-5.4 vs Qwen 3.6","longcat-20-vs-qwen-36","LongCat-2.0 vs Qwen 3.6",{"slugA":113,"labelA":114,"slugB":115,"labelB":116},"claude-fable-5-vs-gpt-54","GPT-5.4 vs Claude Fable 5","claude-fable-5-vs-longcat-20","LongCat-2.0 vs Claude Fable 5",{"slugA":118,"labelA":119,"slugB":120,"labelB":121},"gpt-54-vs-kimi-k27-code","GPT-5.4 vs Kimi K2.7 Code","kimi-k27-code-vs-longcat-20","LongCat-2.0 vs Kimi K2.7 Code",{"slugA":123,"labelA":124,"slugB":125,"labelB":126},"deepseek-v4-flash-vs-gpt-54","GPT-5.4 vs DeepSeek V4 Flash","deepseek-v4-flash-vs-longcat-20","LongCat-2.0 vs DeepSeek V4 Flash"]