[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-deepseek-v4-vs-gpt-55":3},{"modelA":4,"modelB":9,"categories":14,"faq":52,"winsA":62,"winsB":63,"relatedArticles":64,"otherComparisons":84},{"name":5,"provider":6,"pricing":7,"highlights":8},"DeepSeek V4","DeepSeek","$0.435\u002F$0.87","A cost-focused DeepSeek release that recent leaderboards describe as a strong value option for reasoning and general use.",{"name":10,"provider":11,"pricing":12,"highlights":13},"GPT-5.5","OpenAI","$5\u002F$30","OpenAI's latest model, GPT-5.5, offers advanced capabilities for coding and complex tasks.",[15,19,23,29,34,38,41,44,47],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":22,"winner":18},"context","Context Window","128K",{"key":24,"label":25,"valueA":26,"valueB":27,"winner":28},"pricingInput","Input Price ($\u002F1M)","$0.435","$5","a",{"key":30,"label":31,"valueA":32,"valueB":33,"winner":28},"pricingOutput","Output Price ($\u002F1M)","$0.87","$30",{"key":35,"label":36,"valueA":37,"valueB":37,"winner":18},"arena","Arena ELO","N\u002FA",{"key":39,"label":40,"valueA":37,"valueB":37,"winner":18},"coding","Coding",{"key":42,"label":43,"valueA":37,"valueB":37,"winner":18},"reasoning","Reasoning",{"key":45,"label":46,"valueA":37,"valueB":37,"winner":18},"speed","Speed (tokens\u002Fsec)",{"key":48,"label":49,"valueA":50,"valueB":51,"winner":18},"openSource","Open Source","Yes","No",[53,56,59],{"question":54,"answer":55},"Which is cheaper, DeepSeek V4 or GPT-5.5?","DeepSeek V4 is approximately 96% cheaper than GPT-5.5 per million tokens.",{"question":57,"answer":58},"Which has a larger context window?","DeepSeek V4 supports 128K context, while GPT-5.5 supports 128K.",{"question":60,"answer":61},"Is DeepSeek V4 or GPT-5.5 open source?","DeepSeek V4 is open source. GPT-5.5 is proprietary.",2,0,[65,69,72,75,78,81],{"slug":66,"title":67,"language":68},"glm-52-beats-gpt-55-coding-benchmarks-en","GLM-5.2 beats GPT-5.5 on coding tests","en",{"slug":70,"title":71,"language":68},"deepseek-low-cost-chatbot-changed-ai-pricing-en","DeepSeek’s low-cost chatbot changed AI pricing",{"slug":73,"title":74,"language":68},"ai-model-benchmarks-gpt-55-claude-gemini-grok-en","18 AI benchmarks now rank GPT-5.5, Claude, Gemini",{"slug":76,"title":77,"language":68},"5-steps-connect-codex-with-deepseek-en","5 steps to connect Codex with DeepSeek",{"slug":79,"title":80,"language":68},"gpt-5-5-senior-engineer-benchmark-every-en","GPT-5.5 scores 62.5 on Every’s engineer test",{"slug":82,"title":83,"language":68},"gpt-55-tops-artificial-analysis-score-60-en","GPT-5.5 tops Artificial Analysis with score of 60",[85,90,95,100,105,110,115,120],{"slugA":86,"labelA":87,"slugB":88,"labelB":89},"claude-opus-45-vs-deepseek-v4","DeepSeek V4 vs Claude Opus 4.5","claude-opus-45-vs-gpt-55","GPT-5.5 vs Claude Opus 4.5",{"slugA":91,"labelA":92,"slugB":93,"labelB":94},"deepseek-v4-vs-llama-4-scout","DeepSeek V4 vs Llama 4 Scout","gpt-55-vs-llama-4-scout","GPT-5.5 vs Llama 4 Scout",{"slugA":96,"labelA":97,"slugB":98,"labelB":99},"claude-sonnet-46-vs-deepseek-v4","DeepSeek V4 vs Claude Sonnet 4.6","claude-sonnet-46-vs-gpt-55","GPT-5.5 vs Claude Sonnet 4.6",{"slugA":101,"labelA":102,"slugB":103,"labelB":104},"claude-haiku-45-vs-deepseek-v4","DeepSeek V4 vs Claude Haiku 4.5","claude-haiku-45-vs-gpt-55","GPT-5.5 vs Claude Haiku 4.5",{"slugA":106,"labelA":107,"slugB":108,"labelB":109},"deepseek-v4-vs-qwen-36","DeepSeek V4 vs Qwen 3.6","gpt-55-vs-qwen-36","GPT-5.5 vs Qwen 3.6",{"slugA":111,"labelA":112,"slugB":113,"labelB":114},"claude-fable-5-vs-deepseek-v4","DeepSeek V4 vs Claude Fable 5","claude-fable-5-vs-gpt-55","GPT-5.5 vs Claude Fable 5",{"slugA":116,"labelA":117,"slugB":118,"labelB":119},"deepseek-v4-vs-kimi-k27-code","DeepSeek V4 vs Kimi K2.7 Code","gpt-55-vs-kimi-k27-code","GPT-5.5 vs Kimi K2.7 Code",{"slugA":121,"labelA":122,"slugB":123,"labelB":124},"deepseek-v4-vs-deepseek-v4-flash","DeepSeek V4 vs DeepSeek V4 Flash","deepseek-v4-flash-vs-gpt-55","GPT-5.5 vs DeepSeek V4 Flash"]