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Stella Base En v2

Oct 2023
iStella Base En v2
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price not verifiedprice
51.6MTEB English v2
Oct 2023released
768Dimensions
1K tokensMax input
enLanguages

Rankingconfiguration unstated?

Full ranking →
1Qwen 3 Embedding 8B892Qwen 3 Embedding 4B88.63F2LLM v2 14B88.34F2LLM v2 8B87.65F2LLM v2 4B86.6
···
74E5 Large68.975Stella Base En v268.876Cohere Embed English Light v3.068.7

Strong at

B
Embeddings & Retrieval#93 of 200

Alternatives?

ModelScoreCostPriceWhat changes
tBetterGte BaseunstatedOpen+4%—$0.005OpenQwen 3 Embedding 8Bunstated+29%—$0.01Languages: not verified+1BetterQwen 3 Embedding 0.6BunstatedOpen+23%—$0.01Languages: not verified+1iBetterMultilingual E5 Large InstructunstatedOpen+20%—$0.01Memory (4-bit): 0.1 GB → 0.3 GBiBetterMultilingual E5 LargeunstatedOpen+13%—$0.01Memory (4-bit): 0.1 GB → 0.3 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 · English50#104
BEIR · Mean over task types · English50#104
BEIR · Retrieval · English50#104
MTEB Persian v2 · Reranking · Persian32.6#100
JMTEB v2 · Clustering · Japanese17.6#114
JMTEB v2 · STS · Japanese59.7#114
LongEmbed · Mean over tasks · English34.5#105
LongEmbed · Mean over task types · English34.5#105
LongEmbed · Retrieval · English34.5#105
MTEB German v1 · Mean over tasks · German39.8#67
MTEB German v1 · Mean over task types · German38.3#69
MTEB German v1 · Classification · German49.3#99
MTEB German v1 · Pair Classification · German48.9#143
MTEB German v1 · STS · German49#96
MTEB German v1 · Clustering · German25.1#83
MTEB German v1 · Retrieval · German35.5#76
MTEB German v1 · Reranking · German22.2#95
MTEB Europe v1 · Classification · multilingual (23 languages)51.6#67
MTEB Europe v1 · Instruction Reranking · English-3.3#174
MTEB Europe v1 · Multilabel Classification · multilingual (23 languages)12.1#108
MTEB Europe v1 · Pair Classification · multilingual (11 languages)83.4#93
MTEB Europe v1 · Clustering · multilingual (29 languages)37.3#81
MTEB Europe v1 · Retrieval · multilingual (25 languages)38.5#99
MTEB Europe v1 · Reranking · multilingual (12 languages)50.8#104
MTEB Europe v1 · Bitext Mining · multilingual (28 languages)37.2#124
MTEB French v1 · Mean over tasks · multilingual (2 languages)50.3#44
MTEB French v1 · Mean over task types · multilingual (2 languages)51.6#45
MTEB French v1 · STS · French72.1#53
MTEB French v1 · Retrieval · multilingual (2 languages)34.5#87
MTEB French v1 · Classification · French54.1#80
MTEB French v1 · Clustering · French45.7#25
MTEB French v1 · Reranking · French68.8#75
MTEB French v1 · Pair Classification · French54.5#150
MTEB French v1 · Summarization · French31.4#22
MTEB Indic v1 · Mean over tasks · multilingual (25 languages)33.9#80
MTEB Indic v1 · Mean over task types · multilingual (25 languages)25.5#71
MTEB Indic v1 · Classification · multilingual (8 languages)43.7#96
MTEB Indic v1 · Bitext Mining · multilingual (20 languages)3.9#110
MTEB Indic v1 · STS · multilingual (13 languages)6.4#121
MTEB Indic v1 · Reranking · multilingual (2 languages)51.9#124
MTEB Indic v1 · Retrieval · multilingual (14 languages)15.2#100
MTEB Indic v1 · Pair Classification · Hindi53.9#126
MTEB Indic v1 · Clustering · multilingual (21 languages)3.3#146
MTEB Korean v2 · Classification · Korean22.3#104
MTEB Korean v2 · Reranking · Korean9.4#116
MTEB Dutch v1 · Reranking · Dutch77.8#138
MTEB Polish v1 · Mean over tasks · Polish46.9#62
MTEB Polish v1 · Mean over task types · Polish47.3#64
MTEB Polish v1 · Classification · Polish42#95
MTEB Polish v1 · Clustering · Polish29.1#61
MTEB Polish v1 · STS · Polish55.3#85
MTEB Polish v1 · Pair Classification · Polish62.7#119
MTEB Portuguese v1 · Multilabel Classification · Portuguese17.7#154
MTEB Law v1 · Mean over tasks · multilingual (3 languages)38.8#102
MTEB Law v1 · Mean over task types · multilingual (3 languages)38.8#102
MTEB Law v1 · Retrieval · multilingual (3 languages)38.8#102
MTEB Medical v1 · Mean over tasks · multilingual (10 languages)38.2#79
MTEB Medical v1 · Mean over task types · multilingual (10 languages)32.3#83
MTEB Medical v1 · Retrieval · multilingual (10 languages)40.6#82
MTEB Medical v1 · Clustering · English35.8#108
MTEB Medical v1 · Reranking · Mandarin Chinese20.5#138
FollowIR · Mean over tasks · English-3.3#174
FollowIR · Mean over task types · English-3.3#174
FollowIR · Instruction Reranking · English-3.3#174
MTEB Spanish v1 · Clustering · Spanish41.3#73
MTEB Spanish v1 · Pair Classification · Spanish59.4#110
MTEB Spanish v1 · Reranking · Spanish31.4#94
MTEB Spanish v1 · Classification · Spanish77.2#49
MTEB Thai v1 · Pair Classification · Thai52.2#121
MTEB Thai v1 · Clustering · Thai3.9#136
MTEB Scandinavian v1 · Mean over tasks · multilingual (6 languages)43.5#85
MTEB Scandinavian v1 · Mean over task types · multilingual (6 languages)45.6#77
MTEB Scandinavian v1 · Classification · multilingual (6 languages)48.3#111
MTEB Scandinavian v1 · Retrieval · multilingual (3 languages)37.3#94
MTEB Scandinavian v1 · Clustering · multilingual (2 languages)33.7#98
MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages)63.1#106
MTEB Russian v1.1 · Mean over tasks · Russian27.1#73
MTEB Russian v1.1 · Mean over task types · Russian27.3#73
MTEB Russian v1.1 · Classification · Russian31.6#110
MTEB Russian v1.1 · Clustering · Russian17.6#117
MTEB Russian v1.1 · Reranking · Russian20.8#117
MTEB Russian v1.1 · Multilabel Classification · Russian25.3#145
MTEB Russian v1.1 · STS · Russian41.7#102
MTEB Russian v1.1 · Retrieval · Russian7.2#73
MTEB Russian v1.1 · Pair Classification · Russian46.9#171
RTEB French beta · Mean over tasks · multilingual (2 languages)18#139
RTEB German beta · Mean over tasks · German13.8#164
RTEB Law beta · Mean over tasks · multilingual (4 languages)29.9#151
MTEB multilingual v2 · Clustering · multilingual (208 languages)41.5#74
MTEB multilingual v2 · Classification · multilingual (119 languages)48.6#96
MTEB multilingual v2 · Retrieval · multilingual (120 languages)35.3#127
MTEB multilingual v2 · Multilabel Classification · multilingual (25 languages)15.8#121
MTEB multilingual v2 · Bitext Mining · multilingual (1026 languages)25.1#123
MTEB multilingual v2 · Instruction Reranking · English-3.3#174
MTEB multilingual v2 · Reranking · multilingual (22 languages)43.9#122
MTEB multilingual v2 · Pair Classification · multilingual (24 languages)71.7#121

FAQ

How much does Stella Base En v2 cost?›

There is no per-unit API price: price not verified.

How good is Stella Base En v2, and what is it best at?›

#93 of 200 in Embeddings.

Is Stella Base En v2 better than E5 Large?›

On MTEB French v1 · Reranking · French, Stella Base En v2 scores 68.8 vs 68.9 — about the same.

When was Stella Base En v2 released? Is there a newer version?›

Released 2023-10-19. It is the current version in its line.

Is Stella Base En v2 open source?›

Yes, the weights are open (MIT licence).

Can I run Stella Base En v2 locally?›

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

What is Stella Base En v2?›

Stella Base En v2 is an open-weights embeddings & retrieval model from infgrad, released Oct 2023.

What are the best alternatives to Stella Base En v2?›

Gte Base (better), Qwen 3 Embedding 8B (open weights).