Harrier OSS v1 27B

Mar 2026
Harrier OSS v1 27B
Compare in
on
self-host onlyprice
85MTEB Scandinavian v1
Mar 2026released
5,376Dimensions
33K tokensMax input
en, Esperanto, es +90Languages

Ranking?

Full ranking →
1STS Multilingual Mpnet Base v284.82KaLM Embedding Gemma3 12B 251163.43Harrier OSS v1 27B63.44Gemini Embedding 00162.95Octen Embedding 8B61.9

Run it yourself

estimate
Fits on✗ 8 GB (phone, laptop)✗ 16 GB✓ 24 GB GPU · compressed✓ 48 GB GPU · 8-bit✓ 80 GB GPU · full quality
LicenceMITfree for commercial use

Benchmarks

in Embeddings & Retrieval
MTEB Europe v1 · Bitext Mining · multilingual (28 languages)93.6#2
MTEB Europe v1 · Clustering · multilingual (29 languages)52.8#6
MTEB Europe v1 · Instruction Reranking · English5.4#10
MTEB Europe v1 · Reranking · multilingual (12 languages)64.4#5
MTEB Europe v1 · Multilabel Classification · multilingual (23 languages)26#6
MTEB French v1 · Pair Classification · French72.4#7
MTEB Indic v1 · Reranking · multilingual (2 languages)86.8#26
MTEB Indic v1 · Pair Classification · Hindi87.6#3
MTEB Indic v1 · STS · multilingual (13 languages)63.4#3
MTEB Indic v1 · Clustering · multilingual (21 languages)55#11
MTEB Korean v2 · Retrieval · multilingual (2 languages)76.6#5
MTEB Dutch v1 · Reranking · Dutch90.9#23
MTEB Portuguese v1 · Multilabel Classification · Portuguese38.1#1
FollowIR · Mean over tasks · English5.4#10
FollowIR · Mean over task types · English5.4#10
FollowIR · Instruction Reranking · English5.4#10
MTEB Spanish v1 · Pair Classification · Spanish81.2#6
MTEB Thai v1 · Clustering · Thai55.3#26
MTEB Thai v1 · Pair Classification · Thai88.5#4
MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages)85#6
MTEB Russian v1.1 · Pair Classification · Russian61.5#29
MTEB multilingual v2 · Mean over tasks · multilingual (1037 languages)74.3#1
MTEB multilingual v2 · Mean over task types · multilingual (1037 languages)64.2#1
MTEB multilingual v2 · Classification · multilingual (119 languages)79.9#1
MTEB multilingual v2 · Clustering · multilingual (208 languages)58.9#4
MTEB multilingual v2 · STS · multilingual (35 languages)80#4
MTEB multilingual v2 · Pair Classification · multilingual (24 languages)85.4#3
MTEB multilingual v2 · Retrieval · multilingual (120 languages)78.3#2
MTEB multilingual v2 · Bitext Mining · multilingual (1026 languages)86#2
MTEB multilingual v2 · Instruction Reranking · English5.4#10
MTEB multilingual v2 · Multilabel Classification · multilingual (25 languages)36.4#6
MTEB multilingual v2 · Reranking · multilingual (22 languages)67.3#9

FAQ

How much does Harrier OSS v1 27B cost?›

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

Is Harrier OSS v1 27B free to use?›

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

How good is Harrier OSS v1 27B, and what is it best at?›

#3 of 205 in Embeddings.

Is Harrier OSS v1 27B better than KaLM Embedding Gemma3 12B 2511?›

On MTEB Indic v1 · STS · multilingual (13 languages), Harrier OSS v1 27B scores 63.4 vs 63.4 — about the same.

When was Harrier OSS v1 27B released? Is there a newer version?›

Released 2026-03-27. It is the current version in its line.

Is Harrier OSS v1 27B open source?›

Yes, the weights are open (MIT licence).

Can I run Harrier OSS v1 27B locally?›

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

What is Harrier OSS v1 27B?›

Harrier OSS v1 27B is an open-weights embeddings & retrieval model from Microsoft, released Mar 2026.

What are the best alternatives to Harrier OSS v1 27B?›

STS Multilingual Mpnet Base v2 (better).