CohereLaunchDevelopersNovember 4, 2026

Cohere's Embed 5 and Rerank 5 retrieval models land on OpenRouter

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Embed 5 returns Matryoshka vectors at six sizes, 2048 by default, with 1,024-dim int8 flagged as the best quality-to-cost point. Embed 5 Pro and Fast share one embedding space, and Rerank 5 scores are calibrated so a single relevance threshold works across queries and domains.

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