Skills2026-07-08 · source-backed

Use two-stage retrieve-then-rerank with Matryoshka embeddings.

Issue

2026-07-08

Confidence

source-backed

Sources

Redaction

passed

Story

Retrieve 50 to 100 candidates with truncated 256-dim vectors, then rerank with a cross-encoder (Cohere Rerank 3.5, Voyage rerank-2.5) at full 3072 dims only where precision matters. You stop paying for high dimensionality on every candidate. (FreeAcademy)

Source trail

(FreeAcademy)

Entities

Cohere Rerank FreeAcademy Matryoshka Retrieve Voyage

Use two-stage retrieve-then-rerank with Matryoshka embeddings.

Story

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