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/ Tag / 3 of 69
RAG
Every essay tagged RAG, newest first.
All
69
Production
51
AI Agents
40
Reliability
32
LLM
22
Cost
14
Context Engineering
11
Evals
10
Observability
9
September 2026
1 essay / No. 43 to 43
No. 43 /
12 Sept
/ 11 min
You Upgraded Your Embedding Model and Silently Broke Retrieval
Swapping the embedding model behind your RAG looks like a one-line config change.
August 2026
1 essay / No. 28 to 28
No. 28 /
19 Aug
/ 11 min
Your RAG Cites a Source That Does Not Say That
Your retrieval is good.
July 2026
1 essay / No. 04 to 04
No. 4 /
17 Jul
/ 10 min
Your RAG Is Not Broken, Your Retrieval Is
When a RAG system gives a wrong answer, the model is usually not the problem.