E5 Omni 3B vs E5 Omni 7B

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Specs

SpecE5 Omni 3BE5 Omni 7B
Context33K33K
WeightsOpenOpen
ReleasedJan 2026Jan 2026
Dimensions2,0483,584
Max input33K tokens33K tokens
Memory (4-bit)2.8 GB5.4 GB
LicenceMITMIT
Commercial useAllowedAllowed

What breaks when you switch

E5 Omni 3B → E5 Omni 7B
Re-embed your whole corpus›

Vectors from different models can't be mixed; dimensions change from 2,048 to 3,584.

Memory (4-bit): 2.8 GB → 5.4 GB
E5 Omni 7B → E5 Omni 3B
Re-embed your whole corpus›

Vectors from different models can't be mixed; dimensions change from 3,584 to 2,048.