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BidirLM 1B Embedding

Apr 2026
BBidirLM 1B Embedding
Compare in
on
self-host onlyprice
70.3MTEB Scandinavian v1
Apr 2026released
1,152Dimensions
1K tokensMax input
en, es, Estonian +80Languages

Ranking?

Full ranking →
1Seed1.6 Embedding 121591.52Qwen 3 Embedding 8B88.63Arabic English Sts Matryoshka88.54Harrier OSS v1 27B88.55Qwen 3 Embedding 4B86.7
···
31PwC Embedding Expr77.932BidirLM 1B Embedding77.933STS Multilingual Mpnet Base v277

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
LicenceApache-2.0free for commercial use

Benchmarks

in Embeddings & Retrieval
LongEmbed · Mean over tasks · English76.4#7
LongEmbed · Mean over task types · English76.4#7
LongEmbed · Retrieval · English76.4#7
MTEB Europe v1 · Bitext Mining · multilingual (28 languages)88.9#28
MTEB Europe v1 · Clustering · multilingual (29 languages)45.7#37
MTEB Europe v1 · Instruction Reranking · English-0.2#67
MTEB Europe v1 · Reranking · multilingual (12 languages)57.9#53
MTEB Europe v1 · Multilabel Classification · multilingual (23 languages)18.2#41
MTEB French v1 · Pair Classification · French59.5#75
MTEB Indic v1 · Reranking · multilingual (2 languages)82.7#64
MTEB Indic v1 · Pair Classification · Hindi73.3#46
MTEB Indic v1 · STS · multilingual (13 languages)48.4#31
MTEB Indic v1 · Clustering · multilingual (21 languages)47.6#26
MTEB Dutch v1 · Mean over tasks · Dutch59.2#18
MTEB Dutch v1 · Mean over task types · Dutch65.1#17
MTEB Dutch v1 · Classification · Dutch67.2#18
MTEB Dutch v1 · Clustering · Dutch45#18
MTEB Dutch v1 · Retrieval · Dutch56#42
MTEB Dutch v1 · STS · Dutch81.3#18
MTEB Dutch v1 · Multilabel Classification · Dutch39#15
MTEB Dutch v1 · Pair Classification · Dutch82.4#3
MTEB Dutch v1 · Reranking · Dutch85#88
MTEB Portuguese v1 · Multilabel Classification · Portuguese22.9#22
FollowIR · Mean over tasks · English-0.2#67
FollowIR · Mean over task types · English-0.2#67
FollowIR · Instruction Reranking · English-0.2#67
MTEB Spanish v1 · Pair Classification · Spanish68.2#48
MTEB Thai v1 · Clustering · Thai56.4#22
MTEB Thai v1 · Pair Classification · Thai77.9#32
MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages)70.3#44
MTEB Russian v1.1 · Pair Classification · Russian56.8#69
MTEB multilingual v2 · Mean over tasks · multilingual (1037 languages)63.2#26
MTEB multilingual v2 · Mean over task types · multilingual (1037 languages)54.8#27
MTEB multilingual v2 · Classification · multilingual (119 languages)66.2#23
MTEB multilingual v2 · Clustering · multilingual (208 languages)50#38
MTEB multilingual v2 · STS · multilingual (35 languages)74.5#27
MTEB multilingual v2 · Pair Classification · multilingual (24 languages)79.7#44
MTEB multilingual v2 · Retrieval · multilingual (120 languages)61.6#35
MTEB multilingual v2 · Bitext Mining · multilingual (1026 languages)72.9#23
MTEB multilingual v2 · Instruction Reranking · English-0.2#67
MTEB multilingual v2 · Multilabel Classification · multilingual (25 languages)25.2#28
MTEB multilingual v2 · Reranking · multilingual (22 languages)63.7#36

FAQ

How much does BidirLM 1B Embedding cost?›

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

Is BidirLM 1B Embedding free to use?›

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

How good is BidirLM 1B Embedding, and what is it best at?›

#39 of 205 in Embeddings.

Is BidirLM 1B Embedding better than PwC Embedding Expr?›

On MTEB Thai v1 · Pair Classification · Thai, BidirLM 1B Embedding scores 77.9 vs 77.9 — about the same.

When was BidirLM 1B Embedding released? Is there a newer version?›

Released 2026-04-07. It is the current version in its line.

Is BidirLM 1B Embedding open source?›

Yes, the weights are open (Apache-2.0 licence).

Can I run BidirLM 1B Embedding locally?›

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

What is BidirLM 1B Embedding?›

BidirLM 1B Embedding is an open-weights embeddings & retrieval model from BidirLM, released Apr 2026.

What are the best alternatives to BidirLM 1B Embedding?›

EmbeddingGemma 300M (better), Qwen 3 Embedding 8B (open weights).