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BidirLM Omni 2.5B Embedding

Apr 2026
BBidirLM Omni 2.5B Embedding
Compare in
on
self-host onlyprice
65.1MIEB lite
Apr 2026released
2,048Dimensions
33K tokensMax input
en, es, Estonian +80Languages

Rankingconfiguration unstated?

Full ranking →
1Argus Colqwen3.5 9B v089.82Nemotron Colembed VL 8B v289.53Argus Colqwen3.5 4B v089.54VultronRetrieverPrime Qwen3.5 8B88.95VultronRetrieverCore Qwen3.5 4.5B88.9
···
51EmbeddingGemma 267.152BidirLM Omni 2.5B Embedding65.153BiUltraVBERT62.5

Strong at

C
Embeddings & Retrieval#52 of 89

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
MAEB v1 · Mean over tasks · multilingual (159 languages)52.4#3
MAEB v1 · Mean over task types · multilingual (159 languages)54.5#6
MAEB v1 · Audio Classification · multilingual (102 languages)59.8#1
MAEB v1 · Audio Zero-shot Classification · English65.8#2
MAEB v1 · Any-to-any Retrieval · multilingual (150 languages)47.5#8
MAEB v1 · Audio Pair Classification · English66.7#3
MAEB v1 · Audio Reranking · No linguistic content74.8#16
MAEB v1 · Audio Multilabel Classification · English60.9#16
MAEB v1 · Audio Clustering · multilingual (6 languages)6.2#12
MAEB v1 audio-only · Mean over tasks · multilingual (102 languages)53.6#1
MAEB v1 audio-only · Mean over task types · multilingual (102 languages)54.9#11
MAEB v1 audio-only · Audio Classification · multilingual (102 languages)59.8#1
MAEB v1 audio-only · Any-to-any Retrieval · multilingual (4 languages)66.9#26
MAEB v1 audio-only · Audio Clustering · multilingual (6 languages)6.2#12
MAEB v1 audio-only · Audio Pair Classification · English66.7#3
MAEB v1 audio-only · Audio Reranking · No linguistic content74.8#16
MIEB lite · Mean over tasks · multilingual (41 languages)56#10
MIEB lite · Mean over task types · multilingual (41 languages)56#10
MIEB lite · Vision Centric QA · English55.4#13
MIEB lite · Any-to-any Retrieval · English31.3#15
MIEB lite · Document Understanding · English65.1#52
MIEB lite · Zero-shot Classification · English51.3#31
MIEB lite · Compositionality · English46#3
MIEB lite · Image Classification · English73.8#15
MIEB lite · Any-to-any Multilingual Retrieval · multilingual (40 languages)57#7
MIEB lite · Image Clustering · English66.2#37
MIEB lite · Visual semantic similarity (English) · English67.9#27
MIEB lite · Visual semantic similarity (multilingual) · multilingual (13 languages)45.7#12
MIEB multilingual · Visual semantic similarity (multilingual) · multilingual (13 languages)45.7#12
MTEB Europe v1 · Bitext Mining · multilingual (28 languages)90#18
MTEB Europe v1 · Clustering · multilingual (29 languages)47.1#29
MTEB Europe v1 · Instruction Reranking · English1#34
MTEB Europe v1 · Reranking · multilingual (12 languages)59.8#37
MTEB Europe v1 · Multilabel Classification · multilingual (23 languages)19#32
MTEB French v1 · Pair Classification · French60.7#65
MTEB Indic v1 · Reranking · multilingual (2 languages)83.4#57
MTEB Indic v1 · Pair Classification · Hindi74#41
MTEB Indic v1 · STS · multilingual (13 languages)48.8#30
MTEB Indic v1 · Clustering · multilingual (21 languages)51.2#18
MTEB Dutch v1 · Reranking · Dutch86#81
MTEB Portuguese v1 · Multilabel Classification · Portuguese28.6#8
MTEB Medical v1 · Clustering · English40.1#51
FollowIR · Mean over tasks · English1#34
FollowIR · Mean over task types · English1#34
FollowIR · Instruction Reranking · English1#34
MTEB Spanish v1 · Pair Classification · Spanish68.7#46
MTEB Thai v1 · Clustering · Thai61.3#11
MTEB Thai v1 · Pair Classification · Thai76.2#35
MVEB v1 · Mean over tasks · multilingual (16 languages)51.2#10
MVEB v1 · Mean over task types · multilingual (16 languages)52.1#3
MVEB v1 · Any-to-any Retrieval · English45.5#11
MVEB v1 · Video Zero-shot Classification · English53.9#4
MVEB v1 · Video Pair Classification · English78.7#4
MVEB v1 · Video Classification · multilingual (16 languages)61.2#1
MVEB v1 · Video Clustering · English17.1#13
MVEB v1 · Video Centric QA · English55.8#7
MVEB text video v1 · Video Zero-shot Classification · English53.4#12
MVEB text video v1 · Video Clustering · English21.6#3
MVEB text video v1 · Video Classification · multilingual (16 languages)48.5#6
MVEB text video v1 · Video Centric QA · English26.9#6
MVEB text video v1 · Video Pair Classification · English85.7#7
MVEB video v1 · Mean over tasks · multilingual (16 languages)58#6
MVEB video v1 · Mean over task types · multilingual (16 languages)62#6
MVEB video v1 · Video Classification · multilingual (16 languages)50.1#7
MVEB video v1 · Video Pair Classification · English73.8#5
MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages)74.9#19
MTEB Russian v1.1 · Pair Classification · Russian58.3#56
MTEB multilingual v2 · Mean over tasks · multilingual (1037 languages)63.5#24
MTEB multilingual v2 · Mean over task types · multilingual (1037 languages)55.5#22
MTEB multilingual v2 · Classification · multilingual (119 languages)65.9#25
MTEB multilingual v2 · Clustering · multilingual (208 languages)51.5#31
MTEB multilingual v2 · STS · multilingual (35 languages)75.7#22
MTEB multilingual v2 · Pair Classification · multilingual (24 languages)80.7#32
MTEB multilingual v2 · Retrieval · multilingual (120 languages)61#36
MTEB multilingual v2 · Bitext Mining · multilingual (1026 languages)72.3#24
MTEB multilingual v2 · Instruction Reranking · English1#34
MTEB multilingual v2 · Multilabel Classification · multilingual (25 languages)26.5#17
MTEB multilingual v2 · Reranking · multilingual (22 languages)64.7#23

FAQ

How much does BidirLM Omni 2.5B Embedding cost?›

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

Is BidirLM Omni 2.5B Embedding free to use?›

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

How good is BidirLM Omni 2.5B Embedding, and what is it best at?›

#52 of 89 in Multimodal.

Is BidirLM Omni 2.5B Embedding better than EmbeddingGemma 2?›

On MIEB lite · Document Understanding · English, BidirLM Omni 2.5B Embedding scores 65.1 vs 67.1 — lower.

When was BidirLM Omni 2.5B Embedding released? Is there a newer version?›

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

Is BidirLM Omni 2.5B Embedding open source?›

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

Can I run BidirLM Omni 2.5B Embedding locally?›

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

What is BidirLM Omni 2.5B Embedding?›

BidirLM Omni 2.5B Embedding is an open-weights embeddings & retrieval model from BidirLM, released Apr 2026.

What are the best alternatives to BidirLM Omni 2.5B Embedding?›

Jina Embeddings v5 Omni Nano (better), Argus Colqwen3.5 9B v0 (open weights).