Meta SONAR

May 2021
Meta SONAR
Compare in
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self-host onlyprice
71.5MTEB English v2
May 2021released
1K tokensMax input

Rankingconfiguration unstated?

Full ranking →
1Ingot 8B R393.82Conan Embedding v293.53QZhou Embedding92.44Voyage Large 2 Instruct91.35Jasper Token Compression 600M90.2
···
235Potion Multilingual 128M71.9236Meta SONAR71.5237Arabic Mpnet Base All Nli Triplet70.1

Run it yourself

Fits onhardware needs not verified yet
LicenceMITfree for commercial use

Benchmarks

in Embeddings & Retrieval
BEIR · Mean over tasks · English13.5#188
BEIR · Mean over task types · English13.5#188
BEIR · Retrieval · English13.5#188
MTEB Mandarin Chinese v1 · STS · Mandarin Chinese34.1#79
MTEB Mandarin Chinese v1 · Clustering · Mandarin Chinese34.4#76
MTEB Mandarin Chinese v1 · Reranking · Mandarin Chinese32.8#74
MTEB Mandarin Chinese v1 · Retrieval · Mandarin Chinese7.1#86
MTEB Mandarin Chinese v1 · Pair Classification · Mandarin Chinese56.8#79
MTEB German v1 · Clustering · German22.7#103
MTEB Polish v1 · STS · Polish58#65
MTEB Polish v1 · Pair Classification · Polish73.2#77
MTEB Medical v1 · Reranking · Mandarin Chinese35.9#113
MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages)70.2#45

FAQ

How much does Meta SONAR cost?›

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

Is Meta SONAR free to use?›

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

How good is Meta SONAR, and what is it best at?›

#224 of 238 in Embeddings.

Is Meta SONAR better than Potion Multilingual 128M?›

On MTEB English v2 · Pair Classification · English, Meta SONAR scores 71.5 vs 71.9 — about the same.

When was Meta SONAR released? Is there a newer version?›

Released 2021-05-21. It is the current version in its line.

Is Meta SONAR open source?›

Yes, the weights are open (MIT licence).

Can I run Meta SONAR locally?›

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

What is Meta SONAR?›

Meta SONAR is an open-weights embeddings & retrieval model from Meta, released May 2021.

What are the best alternatives to Meta SONAR?›

EmbeddingGemma 300M (better), QZhou Embedding (open weights).