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2 articles Latest Aug 25, 2026 RSS

Engineering Aug 25, 2026 14 min

Sentence Transformers 6.0 shipped ColBERT retrieval on 18 August 2026 and a 42x index

Sentence Transformers 6.0 published 18 August 2026 adds ColBERT-style late interaction. The gain is about one NDCG point on NanoBEIR. The cost is 311.5 MB where a dense index used 7.5 MB.
Manu Shukla
AI Strategy Jul 28, 2026 13 min

Agentic RAG costs 2.5x classic RAG: the 2026 routing decision

Agentic RAG makes multiple retrieval and reasoning passes, costing about 2.5x a single-pass classic RAG. A 2026 baseline study shows a lightweight query router recovering most accuracy at 28.1% token savings. When each
Manu Shukla

#retrieval

Sentence Transformers 6.0 shipped ColBERT retrieval on 18 August 2026 and a 42x index

Agentic RAG costs 2.5x classic RAG: the 2026 routing decision