Harrier OSS v1 27B vs Seed1.6 Embedding 1215
MTEB multilingual v2 · Mean over tasks · multilingual (1037 languages) Embeddings assign examples to categories, group similar examples, estimate semantic similarity between pairs, classify relationships between pairs, rank relevant documents for queries, find translated sentence pairs, rerank documents according to instructions, assign multiple labels to each example, reorder candidate documents by relevance on MTEB Multilingual v2 · mean over tasks in 1037 languages including 'Auhelawa, Abau, Achi, Achinese, Achuar-Shiwiar, Adzera, Afrikaans, Agarabi; tasks receive equal weight
Harrier OSS v1 27B74.3
Seed1.6 Embedding 121570.3
FollowIR · Mean over tasks · English Embeddings rerank documents according to instructions on FollowIR · mean over tasks in English; tasks receive equal weight
Harrier OSS v1 27B5.4
Seed1.6 Embedding 1215-0
FollowIR · Mean over task types · English Embeddings rerank documents according to instructions on FollowIR · mean over task types in English; task types receive equal weight
Harrier OSS v1 27B5.4
Seed1.6 Embedding 1215-0
FollowIR · Instruction Reranking · English Embeddings rerank documents according to instructions on FollowIR · Instruction Reranking in English
Harrier OSS v1 27B5.4
Seed1.6 Embedding 1215-0
MTEB Europe v1 · Bitext Mining · multilingual (28 languages) Embeddings find translated sentence pairs on MTEB Europe v1 · Bitext Mining in 28 languages including Basque, Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian
Harrier OSS v1 27B93.6
Seed1.6 Embedding 121591.8
MTEB Europe v1 · Clustering · multilingual (29 languages) Embeddings group similar examples on MTEB Europe v1 · Clustering in 29 languages including Basque, Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian
Harrier OSS v1 27B52.8
Seed1.6 Embedding 121548.9
MTEB Europe v1 · Instruction Reranking · English Embeddings rerank documents according to instructions on MTEB Europe v1 · Instruction Reranking in English
Harrier OSS v1 27B5.4
Seed1.6 Embedding 1215-0
MTEB Europe v1 · Multilabel Classification · multilingual (23 languages) Embeddings assign multiple labels to each example on MTEB Europe v1 · Multilabel Classification in 23 languages including Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish
Harrier OSS v1 27B26
Seed1.6 Embedding 121539.5
MTEB Europe v1 · Reranking · multilingual (12 languages) Embeddings reorder candidate documents by relevance on MTEB Europe v1 · Reranking in Bulgarian, Czech, Danish, Dutch, English, Finnish, French, German, Italian, Portuguese, Romanian, Swedish
Harrier OSS v1 27B64.4
Seed1.6 Embedding 121563.2
MTEB French v1 · Pair Classification · French Embeddings classify relationships between pairs on MTEB French v1 · Pair Classification in French
Harrier OSS v1 27B72.4
Seed1.6 Embedding 121579.3
MTEB Indic v1 · Clustering · multilingual (21 languages) Embeddings group similar examples on MTEB Indic v1 · Clustering in Assamese, Awadhi, Bengali, Bhojpuri, Chhattisgarhi, Gujarati, Hindi, Kannada, Kashmiri, Maithili, Malayalam, Manipuri, Marathi, Nepali (individual language), Odia, Panjabi, Sanskrit, Sindhi, Tamil, Telugu, Urdu
Harrier OSS v1 27B55
Seed1.6 Embedding 121543
MTEB Indic v1 · Pair Classification · Hindi Embeddings classify relationships between pairs on MTEB Indic v1 · Pair Classification in Hindi
Harrier OSS v1 27B87.6
Seed1.6 Embedding 121591.2
MTEB Indic v1 · Reranking · multilingual (2 languages) Embeddings reorder candidate documents by relevance on MTEB Indic v1 · Reranking in Bengali, Hindi
Harrier OSS v1 27B86.8
Seed1.6 Embedding 121586.9
MTEB Indic v1 · STS · multilingual (13 languages) Embeddings estimate semantic similarity between pairs on MTEB Indic v1 · STS in Assamese, Bengali, English, Gujarati, Hindi, Kannada, Malayalam, Marathi, Odia, Panjabi, Tamil, Telugu, Urdu
Harrier OSS v1 27B63.4
Seed1.6 Embedding 121532.3
MTEB multilingual v2 · Mean over task types · multilingual (1037 languages) Embeddings assign examples to categories, group similar examples, estimate semantic similarity between pairs, classify relationships between pairs, rank relevant documents for queries, find translated sentence pairs, rerank documents according to instructions, assign multiple labels to each example, reorder candidate documents by relevance on MTEB Multilingual v2 · mean over task types in 1037 languages including 'Auhelawa, Abau, Achi, Achinese, Achuar-Shiwiar, Adzera, Afrikaans, Agarabi; task types receive equal weight
Harrier OSS v1 27B64.2
Seed1.6 Embedding 121561.3
MTEB multilingual v2 · Bitext Mining · multilingual (1026 languages) Embeddings find translated sentence pairs on MTEB Multilingual v2 · Bitext Mining in 1026 languages including 'Auhelawa, Abau, Achi, Achinese, Achuar-Shiwiar, Adzera, Afrikaans, Agarabi
Harrier OSS v1 27B86
Seed1.6 Embedding 121578.7
MTEB multilingual v2 · Classification · multilingual (119 languages) Embeddings assign examples to categories on MTEB Multilingual v2 · Classification in 119 languages including Achinese, Afrikaans, Albanian, Algerian Arabic, Amharic, Arabic, Armenian, Assamese
Harrier OSS v1 27B79.9
Seed1.6 Embedding 121576.7
MTEB multilingual v2 · Clustering · multilingual (208 languages) Embeddings group similar examples on MTEB Multilingual v2 · Clustering in 208 languages including Achinese, Afrikaans, Akan, Albanian, Amharic, Armenian, Assamese, Asturian
Harrier OSS v1 27B58.9
Seed1.6 Embedding 121556.8
MTEB multilingual v2 · Instruction Reranking · English Embeddings rerank documents according to instructions on MTEB Multilingual v2 · Instruction Reranking in English
Harrier OSS v1 27B5.4
Seed1.6 Embedding 1215-0
MTEB multilingual v2 · Multilabel Classification · multilingual (25 languages) Embeddings assign multiple labels to each example on MTEB Multilingual v2 · Multilabel Classification in 25 languages including Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish
Harrier OSS v1 27B36.4
Seed1.6 Embedding 121546.2
MTEB multilingual v2 · Pair Classification · multilingual (24 languages) Embeddings classify relationships between pairs on MTEB Multilingual v2 · Pair Classification in 24 languages including Arabic, Armenian, Bulgarian, Chinese, Czech, English, Finnish, French
Harrier OSS v1 27B85.4
Seed1.6 Embedding 121585.5
MTEB multilingual v2 · Reranking · multilingual (22 languages) Embeddings reorder candidate documents by relevance on MTEB Multilingual v2 · Reranking in 22 languages including Bengali, Bulgarian, Czech, Danish, Dutch, English, Finnish, French
Harrier OSS v1 27B67.3
Seed1.6 Embedding 121566.2
MTEB multilingual v2 · Retrieval · multilingual (120 languages) Embeddings rank relevant documents for queries on MTEB Multilingual v2 · Retrieval in 120 languages including Afrikaans, Amharic, Arabic, Armenian, Assamese, Bambara, Basque, Bengali
Harrier OSS v1 27B78.3
Seed1.6 Embedding 121566
MTEB multilingual v2 · STS · multilingual (35 languages) Embeddings estimate semantic similarity between pairs on MTEB Multilingual v2 · STS in 35 languages including Afrikaans, Algerian Arabic, Amharic, Arabic, Assamese, Bengali, Dutch, English
Harrier OSS v1 27B80
Seed1.6 Embedding 121575.9
MTEB Dutch v1 · Reranking · Dutch Embeddings reorder candidate documents by relevance on MTEB Dutch v1 · Reranking in Dutch
Harrier OSS v1 27B90.9
Seed1.6 Embedding 121591.7
MTEB Portuguese v1 · Multilabel Classification · Portuguese Embeddings assign multiple labels to each example on MTEB Portuguese v1 · Multilabel Classification in Portuguese
Harrier OSS v1 27B38.1
Seed1.6 Embedding 121522.4
MTEB Russian v1.1 · Pair Classification · Russian Embeddings classify relationships between pairs on MTEB Russian v1.1 · Pair Classification in Russian
Harrier OSS v1 27B61.5
Seed1.6 Embedding 121566
MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages) Embeddings find translated sentence pairs on MTEB Scandinavian v1 · Bitext Mining in Danish, Norwegian Bokmål, Norwegian Nynorsk
Harrier OSS v1 27B85
Seed1.6 Embedding 121580.5
MTEB Spanish v1 · Pair Classification · Spanish Embeddings classify relationships between pairs on MTEB Spanish v1 · Pair Classification in Spanish
Harrier OSS v1 27B81.2
Seed1.6 Embedding 121586.4
MTEB Thai v1 · Clustering · Thai Embeddings group similar examples on MTEB Thai v1 · Clustering in Thai
Harrier OSS v1 27B55.3
Seed1.6 Embedding 121552.7
MTEB Thai v1 · Pair Classification · Thai Embeddings classify relationships between pairs on MTEB Thai v1 · Pair Classification in Thai
Harrier OSS v1 27B88.5
Seed1.6 Embedding 121591.5
CoIR · Mean over tasks · multilingual (9 languages) Embeddings rank relevant documents for queries on CoIR · mean over tasks in English, c++, go, java, javascript, php, python, ruby, sql; tasks receive equal weight
Harrier OSS v1 27B—
Seed1.6 Embedding 121578.3
CoIR · Mean over task types · multilingual (9 languages) Embeddings rank relevant documents for queries on CoIR · mean over task types in English, c++, go, java, javascript, php, python, ruby, sql; task types receive equal weight
Harrier OSS v1 27B—
Seed1.6 Embedding 121578.3
CoIR · Retrieval · multilingual (9 languages) Embeddings rank relevant documents for queries on CoIR · Retrieval in English, c++, go, java, javascript, php, python, ruby, sql
Harrier OSS v1 27B—
Seed1.6 Embedding 121578.3
MTEB Code v1 · Mean over tasks · multilingual (15 languages) Embeddings rank relevant documents for queries on MTEB Code v1 · mean over tasks in English, c, c++, go, java, javascript, php, python, ruby, rust, scala, shell, sql, swift, typescript; tasks receive equal weight
Harrier OSS v1 27B—
Seed1.6 Embedding 121580.7
MTEB Code v1 · Mean over task types · multilingual (15 languages) Embeddings rank relevant documents for queries on MTEB Code v1 · mean over task types in English, c, c++, go, java, javascript, php, python, ruby, rust, scala, shell, sql, swift, typescript; task types receive equal weight
Harrier OSS v1 27B—
Seed1.6 Embedding 121580.7
MTEB Code v1 · Retrieval · multilingual (15 languages) Embeddings rank relevant documents for queries on MTEB Code v1 · Retrieval in English, c, c++, go, java, javascript, php, python, ruby, rust, scala, shell, sql, swift, typescript
Harrier OSS v1 27B—
Seed1.6 Embedding 121580.7
MTEB Korean v2 · Retrieval · multilingual (2 languages) Embeddings rank relevant documents for queries on MTEB Korean v2 · Retrieval in English, Korean
Harrier OSS v1 27B76.6
Seed1.6 Embedding 1215—
| Benchmark | Harrier OSS v1 27B | Seed1.6 Embedding 1215 |
|---|---|---|
| MTEB multilingual v2 · Mean over tasks · multilingual (1037 languages) | 74.3 | 70.3 |
| FollowIR · Mean over tasks · English | 5.4 | -0 |
| FollowIR · Mean over task types · English | 5.4 | -0 |
| FollowIR · Instruction Reranking · English | 5.4 | -0 |
| MTEB Europe v1 · Bitext Mining · multilingual (28 languages) | 93.6 | 91.8 |
| MTEB Europe v1 · Clustering · multilingual (29 languages) | 52.8 | 48.9 |
| MTEB Europe v1 · Instruction Reranking · English | 5.4 | -0 |
| MTEB Europe v1 · Multilabel Classification · multilingual (23 languages) | 26 | 39.5 |
| MTEB Europe v1 · Reranking · multilingual (12 languages) | 64.4 | 63.2 |
| MTEB French v1 · Pair Classification · French | 72.4 | 79.3 |
| MTEB Indic v1 · Clustering · multilingual (21 languages) | 55 | 43 |
| MTEB Indic v1 · Pair Classification · Hindi | 87.6 | 91.2 |
| MTEB Indic v1 · Reranking · multilingual (2 languages) | 86.8 | 86.9 |
| MTEB Indic v1 · STS · multilingual (13 languages) | 63.4 | 32.3 |
| MTEB multilingual v2 · Mean over task types · multilingual (1037 languages) | 64.2 | 61.3 |
| MTEB multilingual v2 · Bitext Mining · multilingual (1026 languages) | 86 | 78.7 |
| MTEB multilingual v2 · Classification · multilingual (119 languages) | 79.9 | 76.7 |
| MTEB multilingual v2 · Clustering · multilingual (208 languages) | 58.9 | 56.8 |
| MTEB multilingual v2 · Instruction Reranking · English | 5.4 | -0 |
| MTEB multilingual v2 · Multilabel Classification · multilingual (25 languages) | 36.4 | 46.2 |
| MTEB multilingual v2 · Pair Classification · multilingual (24 languages) | 85.4 | 85.5 |
| MTEB multilingual v2 · Reranking · multilingual (22 languages) | 67.3 | 66.2 |
| MTEB multilingual v2 · Retrieval · multilingual (120 languages) | 78.3 | 66 |
| MTEB multilingual v2 · STS · multilingual (35 languages) | 80 | 75.9 |
| MTEB Dutch v1 · Reranking · Dutch | 90.9 | 91.7 |
| MTEB Portuguese v1 · Multilabel Classification · Portuguese | 38.1 | 22.4 |
| MTEB Russian v1.1 · Pair Classification · Russian | 61.5 | 66 |
| MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages) | 85 | 80.5 |
| MTEB Spanish v1 · Pair Classification · Spanish | 81.2 | 86.4 |
| MTEB Thai v1 · Clustering · Thai | 55.3 | 52.7 |
| MTEB Thai v1 · Pair Classification · Thai | 88.5 | 91.5 |
| CoIR · Mean over tasks · multilingual (9 languages) | — | 78.3 |
| CoIR · Mean over task types · multilingual (9 languages) | — | 78.3 |
| CoIR · Retrieval · multilingual (9 languages) | — | 78.3 |
| MTEB Code v1 · Mean over tasks · multilingual (15 languages) | — | 80.7 |
| MTEB Code v1 · Mean over task types · multilingual (15 languages) | — | 80.7 |
| MTEB Code v1 · Retrieval · multilingual (15 languages) | — | 80.7 |
| MTEB Korean v2 · Retrieval · multilingual (2 languages) | 76.6 | — |
Specs
| Spec | Harrier OSS v1 27B | Seed1.6 Embedding 1215 |
|---|---|---|
| Context | 33K | 33K |
| Weights | Open | Closed |
| Released | Mar 2026 | Dec 2025 |
| Dimensions | 5,376 | — |
| Max input | 33K tokens | 33K tokens |
| Languages | en, Esperanto, es +90 | — |
| Memory (4-bit) | 16 GB | — |
| Licence | MIT | — |
| Commercial use | Allowed | — |
What breaks when you switch
Harrier OSS v1 27B → Seed1.6 Embedding 1215
Re-embed your whole corpus›
Vectors from different models can't be mixed.
Languages: not verified
Seed1.6 Embedding 1215 → Harrier OSS v1 27B
Re-embed your whole corpus›
Vectors from different models can't be mixed.