I

BOOM 4B v1

Jan 2026
IBOOM 4B v1
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price not verifiedprice
57MTEB English v2
Jan 2026released
2,560Dimensions
33K tokensMax input

Rankingconfiguration unstated?

Full ranking →
1F2LLM v2 14B79.92Qwen 3 Embedding 8B79.93C2LLM 7B79.64F2LLM v2 8B79.65F2LLM v2 4B79.6
···
30F2LLM v2 160M70.531BOOM 4B v169.332mDenseOn69.3

Strong at

A
Embeddings & Retrieval#45 of 200

Run it yourself

estimate
Fits on✓ 8 GB (phone, laptop) · 8-bit✓ 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
ChemTEB · Mean over tasks · multilingual (13 languages)75.1#6
ChemTEB · Mean over task types · multilingual (13 languages)55.4#5
ChemTEB · Classification · English86.3#3
ChemTEB · Retrieval · English77.8#4
ChemTEB · Pair Classification · multilingual (13 languages)59.8#16
ChemTEB · Clustering · English52.6#6
ChemTEB · Bitext Mining · English0.7#5
MTEB Persian v2 · Bitext Mining · Persian65.8#11
MTEB Europe v1 · Bitext Mining · multilingual (28 languages)88.5#33
MTEB Europe v1 · Clustering · multilingual (29 languages)49.2#16
MTEB Europe v1 · Instruction Reranking · English-0.5#73
MTEB Europe v1 · Reranking · multilingual (12 languages)60.3#26
MTEB Europe v1 · Multilabel Classification · multilingual (23 languages)18.8#35
MTEB French v1 · Pair Classification · French60.5#67
MTEB Indic v1 · Reranking · multilingual (2 languages)82.1#70
MTEB Indic v1 · Pair Classification · Hindi77.8#26
MTEB Indic v1 · STS · multilingual (13 languages)53.4#20
MTEB Indic v1 · Clustering · multilingual (21 languages)47.8#25
MTEB Dutch v1 · Mean over tasks · Dutch59#19
MTEB Dutch v1 · Mean over task types · Dutch64.9#19
MTEB Dutch v1 · Classification · Dutch68.8#14
MTEB Dutch v1 · Clustering · Dutch45.3#15
MTEB Dutch v1 · Retrieval · Dutch53.8#51
MTEB Dutch v1 · STS · Dutch79.2#32
MTEB Dutch v1 · Multilabel Classification · Dutch40#11
MTEB Dutch v1 · Pair Classification · Dutch79.5#26
MTEB Dutch v1 · Reranking · Dutch87.8#61
MTEB Portuguese v1 · Multilabel Classification · Portuguese19.9#84
MTEB Law v1 · Mean over tasks · multilingual (3 languages)60.4#18
MTEB Law v1 · Mean over task types · multilingual (3 languages)60.4#18
MTEB Law v1 · Retrieval · multilingual (3 languages)60.4#18
MTEB Medical v1 · Mean over tasks · multilingual (10 languages)64.5#6
MTEB Medical v1 · Mean over task types · multilingual (10 languages)62.7#13
MTEB Medical v1 · Retrieval · multilingual (10 languages)67.9#3
MTEB Medical v1 · Clustering · English42.3#42
MTEB Medical v1 · Reranking · Mandarin Chinese77.9#58
FollowIR · Mean over tasks · English-0.5#73
FollowIR · Mean over task types · English-0.5#73
FollowIR · Instruction Reranking · English-0.5#73
MTEB Spanish v1 · Pair Classification · Spanish71.2#25
MTEB Thai v1 · Clustering · Thai58.3#15
MTEB Thai v1 · Pair Classification · Thai78.2#29
MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages)73.9#25
CoIR · Mean over tasks · multilingual (9 languages)69.3#31
CoIR · Mean over task types · multilingual (9 languages)69.3#31
CoIR · Retrieval · multilingual (9 languages)69.3#31
MTEB Code v1 · Mean over tasks · multilingual (15 languages)70.8#28
MTEB Code v1 · Mean over task types · multilingual (15 languages)70.8#28
MTEB Code v1 · Retrieval · multilingual (15 languages)70.8#28
MTEB Russian v1.1 · Pair Classification · Russian57.6#64
RTEB Finnish beta · Mean over tasks · English67.4#32
RTEB French beta · Mean over tasks · multilingual (2 languages)57.6#14
RTEB German beta · Mean over tasks · German58.8#44
RTEB Health beta · Mean over tasks · multilingual (4 languages)63.6#20
RTEB Law beta · Mean over tasks · multilingual (4 languages)50.5#40
MTEB multilingual v2 · Mean over tasks · multilingual (1037 languages)63.5#23
MTEB multilingual v2 · Mean over task types · multilingual (1037 languages)54.8#28
MTEB multilingual v2 · Classification · multilingual (119 languages)66.9#19
MTEB multilingual v2 · Clustering · multilingual (208 languages)52.8#22
MTEB multilingual v2 · STS · multilingual (35 languages)74.4#28
MTEB multilingual v2 · Pair Classification · multilingual (24 languages)80.9#27
MTEB multilingual v2 · Retrieval · multilingual (120 languages)62.2#33
MTEB multilingual v2 · Bitext Mining · multilingual (1026 languages)69.2#43
MTEB multilingual v2 · Instruction Reranking · English-0.5#73
MTEB multilingual v2 · Multilabel Classification · multilingual (25 languages)25.4#23
MTEB multilingual v2 · Reranking · multilingual (22 languages)61.9#54

FAQ

How much does BOOM 4B v1 cost?›

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

How good is BOOM 4B v1, and what is it best at?›

#45 of 200 in Embeddings. Strongest at: Embeddings & Retrieval.

Is BOOM 4B v1 better than F2LLM v2 160M?›

On CoIR · Retrieval · multilingual (9 languages), BOOM 4B v1 scores 69.3 vs 70.5 — lower.

When was BOOM 4B v1 released? Is there a newer version?›

Released 2026-01-31. It is the current version in its line.

Is BOOM 4B v1 open source?›

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

Can I run BOOM 4B v1 locally?›

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

What is BOOM 4B v1?›

BOOM 4B v1 is an open-weights embeddings & retrieval model from ICT-TIME-and-Querit, released Jan 2026.

What are the best alternatives to BOOM 4B v1?›

pplx Embed v1 0.6B (better), Qwen 3 Embedding 8B (open weights).