OpenAI text-embedding-3
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The vectors under most RAG systems.
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Embedding models turn text into vectors for search and retrieval — the invisible workhorses of RAG. OpenAI's text-embedding-3 family (January 2024) with Matryoshka-style shortening is the most widely deployed commercial line; open alternatives from the MTEB leaderboard trail closely.
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记录审阅截至 2026-01-15 — 查看 方法论.