[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-claude-opus-5-vs-deepseek-r1":3},{"modelA":4,"modelB":9,"categories":14,"faq":56,"winsA":66,"winsB":67,"relatedArticles":68,"otherComparisons":88},{"name":5,"provider":6,"pricing":7,"highlights":8},"Claude Opus 5","Anthropic","$15\u002F$75","Anthropic’s newest flagship model, positioned as near top-tier performance at roughly half the price of its predecessor.",{"name":10,"provider":11,"pricing":12,"highlights":13},"DeepSeek R1","DeepSeek","$0\u002F$0","671B MoE (37B active); MIT license; distilled variants available",[15,19,25,30,34,39,43,47,51],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":23,"winner":24},"context","Context Window","200K","128K","a",{"key":26,"label":27,"valueA":28,"valueB":29,"winner":24},"pricingInput","Input Price ($\u002F1M)","$15","N\u002FA",{"key":31,"label":32,"valueA":33,"valueB":29,"winner":24},"pricingOutput","Output Price ($\u002F1M)","$75",{"key":35,"label":36,"valueA":29,"valueB":37,"winner":38},"arena","Arena ELO","1310","b",{"key":40,"label":41,"valueA":29,"valueB":42,"winner":18},"coding","Coding","unknown",{"key":44,"label":45,"valueA":29,"valueB":46,"winner":18},"reasoning","Reasoning","#1 Math & Coding Arena",{"key":48,"label":49,"valueA":29,"valueB":50,"winner":38},"speed","Speed (tokens\u002Fsec)","~45 t\u002Fs",{"key":52,"label":53,"valueA":54,"valueB":55,"winner":18},"openSource","Open Source","No","Yes",[57,60,63],{"question":58,"answer":59},"Which is better for coding, Claude Opus 5 or DeepSeek R1?","Claude Opus 5 scores N\u002FA on coding benchmarks, while DeepSeek R1 scores unknown.",{"question":61,"answer":62},"Which has a larger context window?","Claude Opus 5 supports 200K context, while DeepSeek R1 supports 128K.",{"question":64,"answer":65},"Is Claude Opus 5 or DeepSeek R1 open source?","Claude Opus 5 is proprietary. DeepSeek R1 is open source.",3,2,[69,73,76,79,82,85],{"slug":70,"title":71,"language":72},"claude-voice-mode-more-work-in-chat-en","Claude voice mode now does more work in chat","en",{"slug":74,"title":75,"language":72},"claude-opus-5-undercuts-fable-5-price-en","Claude Opus 5 undercuts Fable 5 on price",{"slug":77,"title":78,"language":72},"claude-code-terminal-workflow-template-en","Claude Code turns chat into terminal work",{"slug":80,"title":81,"language":72},"anthropic-extends-claude-fable-access-after-gpt56-en","Anthropic extends Claude Fable access after GPT-5.6",{"slug":83,"title":84,"language":72},"claude-j-space-is-not-consciousness-en","Claude's J-space is not consciousness, but it matters",{"slug":86,"title":87,"language":72},"claude-code-mcp-setup-real-tools-en","Claude Code MCP setup that connects real tools",[89,94,99,104,109,114,119,124],{"slugA":90,"labelA":91,"slugB":92,"labelB":93},"claude-opus-45-vs-claude-opus-5","Claude Opus 5 vs Claude Opus 4.5","claude-opus-45-vs-deepseek-r1","DeepSeek R1 vs Claude Opus 4.5",{"slugA":95,"labelA":96,"slugB":97,"labelB":98},"claude-opus-5-vs-llama-4-scout","Claude Opus 5 vs Llama 4 Scout","deepseek-r1-vs-llama-4-scout","DeepSeek R1 vs Llama 4 Scout",{"slugA":100,"labelA":101,"slugB":102,"labelB":103},"claude-haiku-45-vs-claude-opus-5","Claude Opus 5 vs Claude Haiku 4.5","claude-haiku-45-vs-deepseek-r1","DeepSeek R1 vs Claude Haiku 4.5",{"slugA":105,"labelA":106,"slugB":107,"labelB":108},"claude-opus-5-vs-qwen-36","Claude Opus 5 vs Qwen 3.6","deepseek-r1-vs-qwen-36","DeepSeek R1 vs Qwen 3.6",{"slugA":110,"labelA":111,"slugB":112,"labelB":113},"claude-opus-5-vs-kimi-k27-code","Claude Opus 5 vs Kimi K2.7 Code","deepseek-r1-vs-kimi-k27-code","DeepSeek R1 vs Kimi K2.7 Code",{"slugA":115,"labelA":116,"slugB":117,"labelB":118},"claude-opus-5-vs-llama-4-maverick","Claude Opus 5 vs Llama 4 Maverick","deepseek-r1-vs-llama-4-maverick","DeepSeek R1 vs Llama 4 Maverick",{"slugA":120,"labelA":121,"slugB":122,"labelB":123},"claude-opus-5-vs-gpt-53-codex","Claude Opus 5 vs GPT-5.3-Codex","deepseek-r1-vs-gpt-53-codex","DeepSeek R1 vs GPT-5.3-Codex",{"slugA":125,"labelA":126,"slugB":127,"labelB":128},"claude-opus-5-vs-gemma-4","Claude Opus 5 vs Gemma 4","deepseek-r1-vs-gemma-4","DeepSeek R1 vs Gemma 4"]