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Milvus@milvusio
"Code only" vs. "Code with explanation"—similar questions don't always mean identical requirements. That's why traditional semantic caching often breaks. To solve this, Zilliz CTO James Luan tested 𝗝𝗲𝘃, a budget-friendly model that acts as a gateway guard before serving cached outputs. Jev evaluates 5 critical dimensions in real time: • 𝗧𝗮𝘀𝗸 𝗙𝗶𝘁: Does the answer directly solve the current query? • 𝗖𝗼𝗻𝘀𝘁𝗿𝗮𝗶𝗻𝘁 𝗠𝗮𝘁𝗰𝗵: Does it meet specific parameters (e.g., region, version, limits)? • 𝗙𝗼𝗿𝗺𝗮𝘁 & 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲𝗻𝗲𝘀𝘀: Is it fully complete in the requested style and language? • 𝗧𝗶𝗺𝗲 𝗦𝗲𝗻𝘀𝗶𝘁𝗶𝘃𝗶𝘁𝘆: Does it rely on outdated or changing data? • 𝗖𝗼𝗻𝘁𝗲𝘅𝘁 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆: Is all required context present to support the response? The test results on 1,152 real-world examples: • 𝗭𝗲𝗿𝗼 𝗶𝗻𝗰𝗼𝗿𝗿𝗲𝗰𝘁 𝗿𝗲𝘂𝘀𝗲𝘀 recorded. • 𝟮𝟮𝟳 𝘃𝗮𝗹𝗶𝗱 𝗿𝗲𝘀𝗽𝗼𝗻𝘀𝗲𝘀 𝘀𝗮𝘃𝗲𝗱, avoiding costly re-generations. • 𝗠𝗲𝗱𝗶𝗮𝗻 𝗹𝗮𝘁𝗲𝗻𝗰𝘆 𝗽𝗲𝗻𝗮𝗹𝘁𝘆: Only 0.79s. Semantic caching is a tradeoff between LLM costs and response accuracy. Jev shows that adding milvus.io/blog/jevs-chea… that tradeoff significantly safer. Check out the complete benchmark breakdown (feat. Laya and GPTCache reranker): https://t.co/mHFX3wo3PF
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---
tweet_id: "2111113688140665188"
author: "milvusio"
published_at: "2026-10-16T15:15:00+00:00"
source_url: "https://x.com/milvusio/status/2111113688140665188"
---

"Code only" vs. "Code with explanation"—similar questions don't always mean identical requirements. That's why traditional semantic caching often breaks.  
  
To solve this, Zilliz CTO James Luan tested 𝗝𝗲𝘃, a budget-friendly model that acts as a gateway guard before serving cached outputs.  
  
Jev evaluates 5 critical dimensions in real time:  
• 𝗧𝗮𝘀𝗸 𝗙𝗶𝘁: Does the answer directly solve the current query?  
• 𝗖𝗼𝗻𝘀𝘁𝗿𝗮𝗶𝗻𝘁 𝗠𝗮𝘁𝗰𝗵: Does it meet specific parameters (e.g., region, version, limits)?  
• 𝗙𝗼𝗿𝗺𝗮𝘁 & 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲𝗻𝗲𝘀𝘀: Is it fully complete in the requested style and language?  
• 𝗧𝗶𝗺𝗲 𝗦𝗲𝗻𝘀𝗶𝘁𝗶𝘃𝗶𝘁𝘆: Does it rely on outdated or changing data?  
• 𝗖𝗼𝗻𝘁𝗲𝘅𝘁 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆: Is all required context present to support the response?  
  
The test results on 1,152 real-world examples:  
• 𝗭𝗲𝗿𝗼 𝗶𝗻𝗰𝗼𝗿𝗿𝗲𝗰𝘁 𝗿𝗲𝘂𝘀𝗲𝘀 recorded.  
• 𝟮𝟮𝟳 𝘃𝗮𝗹𝗶𝗱 𝗿𝗲𝘀𝗽𝗼𝗻𝘀𝗲𝘀 𝘀𝗮𝘃𝗲𝗱, avoiding costly re-generations.  
• 𝗠𝗲𝗱𝗶𝗮𝗻 𝗹𝗮𝘁𝗲𝗻𝗰𝘆 𝗽𝗲𝗻𝗮𝗹𝘁𝘆: Only 0.79s.  
  
Semantic caching is a tradeoff between LLM costs and response accuracy. Jev shows that adding [milvus.io/blog/jevs-chea…](https://milvus.io/blog/jevs-cheap-decisions-make-semantic-caching-worth-another-try.md)that tradeoff significantly safer.  
  
Check out the complete benchmark breakdown (feat. Laya and GPTCache reranker):  
<https://t.co/mHFX3wo3PF>

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