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Skills2026-07-08 · source-backed
2026 analysis attributes 73% of RAG failures to retrieval, not the LLM, so prompt tweaks are wasted when the wrong chunks arrive. Replace fixed-size splitting with semantic chunking, and add hybrid dense-plus-BM25 retrieval merged by Reciprocal Rank Fusion so exact identifiers and rare names don't vanish into vector space. (Atlan)
Each link below shares sources, entities, or timing with this story.
Simon Willison released LLM / Shared entities / What happened next / Tension
Linked by a graph relationship (Simon Willison released LLM); both cover LLM, RAG; picks up the LLM thread on 2026-07-27.
Simon Willison released LLM / Shared entity: LLM / What happened next / Tension
Linked by a graph relationship (Simon Willison released LLM); both cover LLM; picks up the LLM thread on 2026-08-16.
Simon Willison released LLM / Shared entity: LLM / Earlier coverage / Tension
Linked by a graph relationship (Simon Willison released LLM); both cover LLM; earlier LLM coverage from 2026-06-19.
Linked by a graph relationship (Simon Willison released LLM); both cover LLM; earlier LLM coverage from 2026-06-18.
Simon Willison released LLM / Shared entity: LLM / What happened next
Linked by a graph relationship (Simon Willison released LLM); both cover LLM; picks up the LLM thread on 2026-08-21.
Linked by a graph relationship (Simon Willison released LLM); both cover LLM; picks up the LLM thread on 2026-08-17.
Linked by a graph relationship (Simon Willison released LLM); both cover LLM; picks up the LLM thread on 2026-08-12.
Simon Willison released LLM / Shared entity: RAG / What happened next
Linked by a graph relationship (Simon Willison released LLM); both cover RAG; picks up the RAG thread on 2026-08-08.