[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-gpt-55-vs-longcat-20":3},{"modelA":4,"modelB":9,"categories":14,"faq":50,"winsA":57,"winsB":58,"relatedArticles":59,"otherComparisons":79},{"name":5,"provider":6,"pricing":7,"highlights":8},"GPT-5.5","OpenAI","$5\u002F$30","OpenAI's latest model, GPT-5.5, offers advanced capabilities for coding and complex tasks.",{"name":10,"provider":11,"pricing":12,"highlights":13},"LongCat-2.0","Meituan","$0\u002F$0","Open-sourced in recent news as a new large model release, but reliable public API pricing was not available.",[15,19,23,29,33,36,39,42,45],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":22,"winner":18},"context","Context Window","128K",{"key":24,"label":25,"valueA":26,"valueB":27,"winner":28},"pricingInput","Input Price ($\u002F1M)","$5","N\u002FA","a",{"key":30,"label":31,"valueA":32,"valueB":27,"winner":28},"pricingOutput","Output Price ($\u002F1M)","$30",{"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":49,"winner":18},"openSource","Open Source","No","Yes",[51,54],{"question":52,"answer":53},"Which has a larger context window?","GPT-5.5 supports 128K context, while LongCat-2.0 supports 128K.",{"question":55,"answer":56},"Is GPT-5.5 or LongCat-2.0 open source?","GPT-5.5 is proprietary. LongCat-2.0 is open source.",2,0,[60,64,67,70,73,76],{"slug":61,"title":62,"language":63},"glm-52-beats-gpt-55-coding-benchmarks-en","GLM-5.2 beats GPT-5.5 on coding tests","en",{"slug":65,"title":66,"language":63},"ai-model-benchmarks-gpt-55-claude-gemini-grok-en","18 AI benchmarks now rank GPT-5.5, Claude, Gemini",{"slug":68,"title":69,"language":63},"gpt-5-5-senior-engineer-benchmark-every-en","GPT-5.5 scores 62.5 on Every’s engineer test",{"slug":71,"title":72,"language":63},"gpt-55-tops-artificial-analysis-score-60-en","GPT-5.5 tops Artificial Analysis with score of 60",{"slug":74,"title":75,"language":63},"why-gpt-5-5-should-be-default-coding-llm-2026-en","Why GPT-5.5 Should Be Your Default Coding LLM in 2026",{"slug":77,"title":78,"language":63},"why-gpt-55-is-not-the-victory-lap-openai-wants-you-to-believ-en","Why GPT-5.5 Is Not the Victory Lap OpenAI Wants You to Believe",[80,85,90,95,100,105,110,115],{"slugA":81,"labelA":82,"slugB":83,"labelB":84},"claude-opus-45-vs-gpt-55","GPT-5.5 vs Claude Opus 4.5","claude-opus-45-vs-longcat-20","LongCat-2.0 vs Claude Opus 4.5",{"slugA":86,"labelA":87,"slugB":88,"labelB":89},"gpt-55-vs-llama-4-scout","GPT-5.5 vs Llama 4 Scout","llama-4-scout-vs-longcat-20","LongCat-2.0 vs Llama 4 Scout",{"slugA":91,"labelA":92,"slugB":93,"labelB":94},"claude-sonnet-46-vs-gpt-55","GPT-5.5 vs Claude Sonnet 4.6","claude-sonnet-46-vs-longcat-20","LongCat-2.0 vs Claude Sonnet 4.6",{"slugA":96,"labelA":97,"slugB":98,"labelB":99},"claude-haiku-45-vs-gpt-55","GPT-5.5 vs Claude Haiku 4.5","claude-haiku-45-vs-longcat-20","LongCat-2.0 vs Claude Haiku 4.5",{"slugA":101,"labelA":102,"slugB":103,"labelB":104},"gpt-55-vs-qwen-36","GPT-5.5 vs Qwen 3.6","longcat-20-vs-qwen-36","LongCat-2.0 vs Qwen 3.6",{"slugA":106,"labelA":107,"slugB":108,"labelB":109},"claude-fable-5-vs-gpt-55","GPT-5.5 vs Claude Fable 5","claude-fable-5-vs-longcat-20","LongCat-2.0 vs Claude Fable 5",{"slugA":111,"labelA":112,"slugB":113,"labelB":114},"gpt-55-vs-kimi-k27-code","GPT-5.5 vs Kimi K2.7 Code","kimi-k27-code-vs-longcat-20","LongCat-2.0 vs Kimi K2.7 Code",{"slugA":116,"labelA":117,"slugB":118,"labelB":119},"deepseek-v4-flash-vs-gpt-55","GPT-5.5 vs DeepSeek V4 Flash","deepseek-v4-flash-vs-longcat-20","LongCat-2.0 vs DeepSeek V4 Flash"]