[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-claude-opus-46-vs-deepseek-v4-flash-0731":3},{"modelA":4,"modelB":9,"categories":14,"faq":55,"winsA":65,"winsB":66,"relatedArticles":67,"otherComparisons":87},{"name":5,"provider":6,"pricing":7,"highlights":8},"Claude Opus 4.6","Anthropic","$5\u002F$25","#1 Arena Hard Prompts & Coding; 128K max output",{"name":10,"provider":11,"pricing":12,"highlights":13},"DeepSeek-V4-Flash-0731","DeepSeek","$0.00\u002F$0.00","An MIT-licensed MoE model with major agentic and coding gains, outperforming DeepSeek V4-Pro (Preview) on several benchmarks.",[15,19,25,30,34,38,42,46,50],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":23,"winner":24},"context","Context Window","1M","uncertain","a",{"key":26,"label":27,"valueA":28,"valueB":29,"winner":24},"pricingInput","Input Price ($\u002F1M)","$5","N\u002FA",{"key":31,"label":32,"valueA":33,"valueB":29,"winner":24},"pricingOutput","Output Price ($\u002F1M)","$25",{"key":35,"label":36,"valueA":37,"valueB":29,"winner":24},"arena","Arena ELO","1561",{"key":39,"label":40,"valueA":41,"valueB":29,"winner":18},"coding","Coding","80.8% SWE-bench",{"key":43,"label":44,"valueA":45,"valueB":29,"winner":18},"reasoning","Reasoning","65.4% Terminal-Bench",{"key":47,"label":48,"valueA":49,"valueB":29,"winner":24},"speed","Speed (tokens\u002Fsec)","~40 t\u002Fs",{"key":51,"label":52,"valueA":53,"valueB":54,"winner":18},"openSource","Open Source","No","Yes",[56,59,62],{"question":57,"answer":58},"Which is better for coding, Claude Opus 4.6 or DeepSeek-V4-Flash-0731?","Claude Opus 4.6 scores 80.8% SWE-bench on coding benchmarks, while DeepSeek-V4-Flash-0731 scores N\u002FA.",{"question":60,"answer":61},"Which has a larger context window?","Claude Opus 4.6 supports 1M context, while DeepSeek-V4-Flash-0731 supports uncertain.",{"question":63,"answer":64},"Is Claude Opus 4.6 or DeepSeek-V4-Flash-0731 open source?","Claude Opus 4.6 is proprietary. DeepSeek-V4-Flash-0731 is open source.",5,0,[68,72,75,78,81,84],{"slug":69,"title":70,"language":71},"try-claude-opus-4-7-benchmarks-safety-en","Try Claude Opus 4.7 and read its benchmarks","en",{"slug":73,"title":74,"language":71},"claude-security-test-became-real-breach-en","Claude’s security test became a real breach",{"slug":76,"title":77,"language":71},"claude-2026-limit-changes-capacity-story-en","Claude’s 2026 limit changes are a capacity story, not a product story",{"slug":79,"title":80,"language":71},"cognizant-claude-partnership-pilots-to-production-en","Cognizant’s Claude play turns pilots into production",{"slug":82,"title":83,"language":71},"prompt-engineering-overrated-claude-code-en","Prompt engineering is overrated for Claude Code",{"slug":85,"title":86,"language":71},"claude-opus-5-lowest-safety-audit-score-en","Claude Opus 5 posts the lowest safety audit score",[88,93,98,103,108,113,118,123],{"slugA":89,"labelA":90,"slugB":91,"labelB":92},"claude-opus-45-vs-claude-opus-46","Claude Opus 4.6 vs Claude Opus 4.5","claude-opus-45-vs-deepseek-v4-flash-0731","DeepSeek-V4-Flash-0731 vs Claude Opus 4.5",{"slugA":94,"labelA":95,"slugB":96,"labelB":97},"claude-opus-46-vs-llama-4-scout","Claude Opus 4.6 vs Llama 4 Scout","deepseek-v4-flash-0731-vs-llama-4-scout","DeepSeek-V4-Flash-0731 vs Llama 4 Scout",{"slugA":99,"labelA":100,"slugB":101,"labelB":102},"claude-haiku-45-vs-claude-opus-46","Claude Opus 4.6 vs Claude Haiku 4.5","claude-haiku-45-vs-deepseek-v4-flash-0731","DeepSeek-V4-Flash-0731 vs Claude Haiku 4.5",{"slugA":104,"labelA":105,"slugB":106,"labelB":107},"claude-opus-46-vs-qwen-36","Claude Opus 4.6 vs Qwen 3.6","deepseek-v4-flash-0731-vs-qwen-36","DeepSeek-V4-Flash-0731 vs Qwen 3.6",{"slugA":109,"labelA":110,"slugB":111,"labelB":112},"claude-opus-46-vs-kimi-k27-code","Claude Opus 4.6 vs Kimi K2.7 Code","deepseek-v4-flash-0731-vs-kimi-k27-code","DeepSeek-V4-Flash-0731 vs Kimi K2.7 Code",{"slugA":114,"labelA":115,"slugB":116,"labelB":117},"claude-opus-46-vs-minimax-h3","Claude Opus 4.6 vs MiniMax H3","deepseek-v4-flash-0731-vs-minimax-h3","DeepSeek-V4-Flash-0731 vs MiniMax H3",{"slugA":119,"labelA":120,"slugB":121,"labelB":122},"claude-opus-46-vs-llama-4-maverick","Claude Opus 4.6 vs Llama 4 Maverick","deepseek-v4-flash-0731-vs-llama-4-maverick","DeepSeek-V4-Flash-0731 vs Llama 4 Maverick",{"slugA":124,"labelA":125,"slugB":126,"labelB":127},"claude-opus-46-vs-gpt-53-codex","Claude Opus 4.6 vs GPT-5.3-Codex","deepseek-v4-flash-0731-vs-gpt-53-codex","DeepSeek-V4-Flash-0731 vs GPT-5.3-Codex"]