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Zembed 1

Mar 2026
zZembed 1
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$0.05per 1M tokens
60.1MTEB Scandinavian v1
Mar 2026released
2,560 (or 1,280, 640)Dimensions
33K tokensMax input

Ranking?

Full ranking →
1Gemini Embedding 2 Preview95.82Jina Embeddings v5 Omni Small862Jina Embeddings v5 Text Small864Jina Embeddings v5 Omni Nano864Jina Embeddings v5 Text Nano86
···
140Mmlw Roberta Large60.3141Zembed 160.1142Voyage Code 259.9

Alternatives?

ModelScoreCostPriceWhat changes
CheaperJina Embeddings v5 Text NanounstatedOpen+43%-60%$0.02Max input: 33K tokens → 8K tokensBetterEmbeddingGemma 300MunstatedOpen+4%-96%$0.002Max input: 33K tokens → 2K tokensOpenJina Embeddings v5 Text Smallunstated+43%same$0.05CheaperQwen 3 Embedding 8BunstatedOpen+41%-80%$0.01Memory (4-bit): 2.4 GB → 4.5 GBCheaperQwen 3 Embedding 4BunstatedOpen+37%-60%$0.02

Run it yourself

estimate
Fits on✓ 8 GB (phone, laptop) · 8-bit✓ 16 GB · full quality✓ 24 GB GPU · full quality✓ 48 GB GPU · full quality✓ 80 GB GPU · full quality
LicenceCC BY-NC 4.0free for commercial use

Benchmarks

in Embeddings & Retrieval
MTEB Europe v1 · Bitext Mining · multilingual (28 languages)80.1#80
MTEB Europe v1 · Clustering · multilingual (29 languages)38.8#69
MTEB Europe v1 · Instruction Reranking · English4.7#15
MTEB Europe v1 · Reranking · multilingual (12 languages)62.1#13
MTEB Europe v1 · Multilabel Classification · multilingual (23 languages)17.1#46
MTEB French v1 · Pair Classification · French64.2#38
MTEB Indic v1 · Reranking · multilingual (2 languages)86.2#31
MTEB Indic v1 · Pair Classification · Hindi63.1#83
MTEB Indic v1 · STS · multilingual (13 languages)36.7#57
MTEB Indic v1 · Clustering · multilingual (21 languages)23.2#83
MTEB Dutch v1 · Reranking · Dutch90.7#24
MTEB Portuguese v1 · Multilabel Classification · Portuguese18#143
FollowIR · Mean over tasks · English4.7#15
FollowIR · Mean over task types · English4.7#15
FollowIR · Instruction Reranking · English4.7#15
MTEB Spanish v1 · Pair Classification · Spanish64.2#66
MTEB Thai v1 · Clustering · Thai26.8#99
MTEB Thai v1 · Pair Classification · Thai64.3#84
MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages)60.1#141
MTEB Russian v1.1 · Pair Classification · Russian53.4#103
MTEB multilingual v2 · Mean over tasks · multilingual (1037 languages)56.6#47
MTEB multilingual v2 · Mean over task types · multilingual (1037 languages)50#43
MTEB multilingual v2 · Classification · multilingual (119 languages)58.1#51
MTEB multilingual v2 · Clustering · multilingual (208 languages)41.8#71
MTEB multilingual v2 · STS · multilingual (35 languages)63.4#69
MTEB multilingual v2 · Pair Classification · multilingual (24 languages)75.8#79
MTEB multilingual v2 · Retrieval · multilingual (120 languages)63.4#27
MTEB multilingual v2 · Bitext Mining · multilingual (1026 languages)57.9#75
MTEB multilingual v2 · Instruction Reranking · English4.7#15
MTEB multilingual v2 · Multilabel Classification · multilingual (25 languages)18.8#73
MTEB multilingual v2 · Reranking · multilingual (22 languages)65.9#14

FAQ

How much does Zembed 1 cost?›

$0.05 per 1M tokens.

Is Zembed 1 free to use?›

There is no free API; it costs $0.05 per 1M tokens. The weights are open, so you can run it yourself.

How good is Zembed 1, and what is it best at?›

#135 of 205 in Embeddings.

Is Zembed 1 better than Mmlw Roberta Large?›

On MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages), Zembed 1 scores 60.1 vs 60.3 — about the same.

When was Zembed 1 released? Is there a newer version?›

Released 2026-03-02. It is the current version in its line.

Is Zembed 1 open source?›

Yes, the weights are open (cc-by-nc-4.0 licence).

Can I run Zembed 1 locally?›

The weights are open and can be self-hosted; hardware needs are not confirmed yet.

What is Zembed 1?›

Zembed 1 is an open-weights embeddings & retrieval model from zeroentropy, released Mar 2026.

What are the best alternatives to Zembed 1?›

Jina Embeddings v5 Text Nano (cheaper), EmbeddingGemma 300M (better), Jina Embeddings v5 Text Small (open weights).