Stella En 1.5B v5

Name: Stella En 1.5B v5
Brand: NovaSearch

Jul 2024

NStella En 1.5B v5

Compare in

self-host onlyprice

52.4MTEB English v2

Jul 2024released

1K tokensMax input

Rankingconfiguration unstated?

Full ranking →

1Cohere Embed Multilingual v3.074.8 2Bge M374.6 3Multilingual E5 Large74.3 4Snowflake Arctic Embed L v2.074 5F2LLM v2 8B73.2

···

51Text Embedding 3 Small57.9 52Stella En 1.5B v557.4 53LLM2Vec Mistral 7B Instruct v2 Mntp Supervised56.3

Strong at

Embeddings & Retrieval#86 of 200

Alternatives?

ModelScoreCostPriceWhat changes

BetterEmbeddingGemma 300MunstatedOpen+24%—$0.002

OpenBge M3unstated+30%—$0.01 iBetterMultilingual E5 LargeunstatedOpen+29%—$0.01 iBetterMultilingual E5 Large InstructunstatedOpen+26%—$0.01 iBetterE5 Mistral 7B InstructunstatedOpen+25%—$0.022Memory (4-bit): 0.9 GB → 4.3 GB

Run it yourself

estimate

Fits on✓ 8 GB (phone, laptop) · full quality✓ 16 GB · full quality✓ 24 GB GPU · full quality✓ 48 GB GPU · full quality✓ 80 GB GPU · full quality

LicenceMITfree for commercial use

Benchmarks

in Embeddings & Retrieval

BEIR · Mean over tasks · English59.3#14

BEIR · Mean over task types · English59.3#14

BEIR · Retrieval · English59.3#14

MTEB Persian v2 · Reranking · Persian57.4#52

JMTEB v2 · Clustering · Japanese49.1#36

JMTEB v2 · STS · Japanese78.3#56

LongEmbed · Mean over tasks · English46.5#48

LongEmbed · Mean over task types · English46.5#48

LongEmbed · Retrieval · English46.5#48

MTEB German v1 · Clustering · German34.7#24

MTEB German v1 · Classification · German78#15

MTEB German v1 · STS · German68.2#34

MTEB German v1 · Pair Classification · German51.6#61

MTEB German v1 · Reranking · German52.5#21

MTEB Europe v1 · Mean over tasks · multilingual (29 languages)59.8#14

MTEB Europe v1 · Mean over task types · multilingual (29 languages)53.2#13

MTEB Europe v1 · Retrieval · multilingual (25 languages)53#35

MTEB Europe v1 · STS · multilingual (8 languages)74.9#14

MTEB Europe v1 · Bitext Mining · multilingual (28 languages)82#72

MTEB Europe v1 · Classification · multilingual (23 languages)61.5#20

MTEB Europe v1 · Clustering · multilingual (29 languages)44.5#42

MTEB Europe v1 · Instruction Reranking · English0.2#55

MTEB Europe v1 · Pair Classification · multilingual (11 languages)88.4#29

MTEB Europe v1 · Reranking · multilingual (12 languages)57.8#55

MTEB Europe v1 · Multilabel Classification · multilingual (23 languages)16.8#49

MTEB French v1 · Mean over tasks · multilingual (2 languages)62.9#13

MTEB French v1 · Mean over task types · multilingual (2 languages)62.7#13

MTEB French v1 · STS · French81.3#12

MTEB French v1 · Retrieval · multilingual (2 languages)57.2#21

MTEB French v1 · Reranking · French80.6#24

MTEB French v1 · Clustering · French45.5#27

MTEB French v1 · Classification · French77.6#13

MTEB French v1 · Summarization · French31.5#18

MTEB French v1 · Pair Classification · French65.3#28

MTEB Indic v1 · Mean over tasks · multilingual (25 languages)52.3#46

MTEB Indic v1 · Mean over task types · multilingual (25 languages)45.2#46

MTEB Indic v1 · Classification · multilingual (8 languages)58#47

MTEB Indic v1 · Retrieval · multilingual (14 languages)60.2#52

MTEB Indic v1 · Bitext Mining · multilingual (20 languages)32.5#54

MTEB Indic v1 · Reranking · multilingual (2 languages)73.5#91

MTEB Indic v1 · Pair Classification · Hindi65.2#78

MTEB Indic v1 · STS · multilingual (13 languages)11.4#95

MTEB Indic v1 · Clustering · multilingual (21 languages)15.5#95

MTEB Korean v2 · STS · Korean63.5#43

MTEB Korean v2 · Reranking · Korean44#49

MTEB Korean v2 · Classification · Korean50#49

MTEB Dutch v1 · Reranking · Dutch89#45

MTEB Polish v1 · Pair Classification · Polish82.1#40

MTEB Polish v1 · Classification · Polish67.3#16

MTEB Polish v1 · STS · Polish65.5#38

MTEB Portuguese v1 · Multilabel Classification · Portuguese24.1#15

MTEB Law v1 · Mean over tasks · multilingual (3 languages)50.3#48

MTEB Law v1 · Mean over task types · multilingual (3 languages)50.3#48

MTEB Law v1 · Retrieval · multilingual (3 languages)50.3#48

MTEB Medical v1 · Mean over tasks · multilingual (10 languages)59.4#22

MTEB Medical v1 · Mean over task types · multilingual (10 languages)61.8#16

MTEB Medical v1 · Retrieval · multilingual (10 languages)60.2#26

MTEB Medical v1 · Clustering · English46.4#25

MTEB Medical v1 · Reranking · Mandarin Chinese78.9#55

FollowIR · Mean over tasks · English0.2#55

FollowIR · Mean over task types · English0.2#55

FollowIR · Instruction Reranking · English0.2#55

MTEB Spanish v1 · Pair Classification · Spanish70.7#30

MTEB Spanish v1 · STS · multilingual (2 languages)78.7#17

MTEB Spanish v1 · Clustering · Spanish47.8#24

MTEB Spanish v1 · Reranking · Spanish62#14

MTEB Thai v1 · Clustering · Thai37.4#90

MTEB Thai v1 · Pair Classification · Thai66.8#75

MTEB Scandinavian v1 · Clustering · multilingual (2 languages)42.4#27

MTEB Scandinavian v1 · Classification · multilingual (6 languages)60.5#37

MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages)70.1#46

MTEB Russian v1.1 · Mean over tasks · Russian63.1#21

MTEB Russian v1.1 · Mean over task types · Russian60.4#23

MTEB Russian v1.1 · Classification · Russian66.3#25

MTEB Russian v1.1 · STS · Russian70.9#45

MTEB Russian v1.1 · Reranking · Russian66.7#25

MTEB Russian v1.1 · Clustering · Russian59.6#27

MTEB Russian v1.1 · Pair Classification · Russian55.7#81

MTEB Russian v1.1 · Retrieval · Russian66.6#24

MTEB Russian v1.1 · Multilabel Classification · Russian36.9#40

RTEB French beta · Mean over tasks · multilingual (2 languages)47.7#50

RTEB German beta · Mean over tasks · German40.4#85

RTEB Law beta · Mean over tasks · multilingual (4 languages)39.6#82

MTEB multilingual v2 · Mean over tasks · multilingual (1037 languages)56.5#48

MTEB multilingual v2 · Mean over task types · multilingual (1037 languages)50#44

MTEB multilingual v2 · Classification · multilingual (119 languages)56.7#59

MTEB multilingual v2 · Clustering · multilingual (208 languages)49.7#40

MTEB multilingual v2 · STS · multilingual (35 languages)69.9#55

MTEB multilingual v2 · Pair Classification · multilingual (24 languages)78.5#55

MTEB multilingual v2 · Retrieval · multilingual (120 languages)52.8#75

MTEB multilingual v2 · Bitext Mining · multilingual (1026 languages)58.6#72

MTEB multilingual v2 · Instruction Reranking · English0.2#55

MTEB multilingual v2 · Multilabel Classification · multilingual (25 languages)21.8#49

MTEB multilingual v2 · Reranking · multilingual (22 languages)61.4#59

FAQ

How much does Stella En 1.5B v5 cost?›

There is no per-unit API price: self-host only.

Is Stella En 1.5B v5 free to use?›

There is no free API. The weights are open, so you can run it yourself.

How good is Stella En 1.5B v5, and what is it best at?›

#86 of 200 in Embeddings.

Is Stella En 1.5B v5 better than Text Embedding 3 Small?›

On MTEB Persian v2 · Reranking · Persian, Stella En 1.5B v5 scores 57.4 vs 57.9 — about the same.

When was Stella En 1.5B v5 released? Is there a newer version?›

Released 2024-07-12. It is the current version in its line.

Is Stella En 1.5B v5 open source?›

Yes, the weights are open (MIT licence).

Can I run Stella En 1.5B v5 locally?›

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

What is Stella En 1.5B v5?›

Stella En 1.5B v5 is an open-weights embeddings & retrieval model from NovaSearch, released Jul 2024.

What are the best alternatives to Stella En 1.5B v5?›

EmbeddingGemma 300M (better), Bge M3 (open weights).