Seed1.6 Embedding vs Seed1.6 Embedding 1215

Seed1.6 Embedding

Wins 0 of 54 benchmarks

Seed1.6 Embedding 1215

Wins 0 of 54 benchmarks

Only shared

MTEB multilingual v2 · Mean over tasks · multilingual (1037 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121570.3

CoIR · Mean over tasks · multilingual (9 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121578.3

CoIR · Mean over task types · multilingual (9 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121578.3

CoIR · Retrieval · multilingual (9 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121578.3

FollowIR · Mean over tasks · English?

Seed1.6 Embedding—

Seed1.6 Embedding 1215-0

FollowIR · Mean over task types · English?

Seed1.6 Embedding—

Seed1.6 Embedding 1215-0

FollowIR · Instruction Reranking · English?

Seed1.6 Embedding—

Seed1.6 Embedding 1215-0

MTEB Mandarin Chinese v1 · Mean over tasks · Mandarin Chinese?

Seed1.6 Embedding75.6

Seed1.6 Embedding 1215—

MTEB Mandarin Chinese v1 · Mean over task types · Mandarin Chinese?

Seed1.6 Embedding76.7

Seed1.6 Embedding 1215—

MTEB Mandarin Chinese v1 · Classification · Mandarin Chinese?

Seed1.6 Embedding78.1

Seed1.6 Embedding 1215—

MTEB Mandarin Chinese v1 · Clustering · Mandarin Chinese?

Seed1.6 Embedding73.1

Seed1.6 Embedding 1215—

MTEB Mandarin Chinese v1 · Pair Classification · Mandarin Chinese?

Seed1.6 Embedding88.7

Seed1.6 Embedding 1215—

MTEB Mandarin Chinese v1 · Reranking · Mandarin Chinese?

Seed1.6 Embedding71.6

Seed1.6 Embedding 1215—

MTEB Mandarin Chinese v1 · Retrieval · Mandarin Chinese?

Seed1.6 Embedding79.7

Seed1.6 Embedding 1215—

MTEB Mandarin Chinese v1 · STS · Mandarin Chinese?

Seed1.6 Embedding68.9

Seed1.6 Embedding 1215—

MTEB Code v1 · Mean over tasks · multilingual (15 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121580.7

MTEB Code v1 · Mean over task types · multilingual (15 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121580.7

MTEB Code v1 · Retrieval · multilingual (15 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121580.7

MTEB Europe v1 · Bitext Mining · multilingual (28 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121591.8

MTEB Europe v1 · Clustering · multilingual (29 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121548.9

MTEB Europe v1 · Instruction Reranking · English?

Seed1.6 Embedding—

Seed1.6 Embedding 1215-0

MTEB Europe v1 · Multilabel Classification · multilingual (23 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121539.5

MTEB Europe v1 · Reranking · multilingual (12 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121563.2

MTEB French v1 · Pair Classification · French?

Seed1.6 Embedding—

Seed1.6 Embedding 121579.3

MTEB Indic v1 · Clustering · multilingual (21 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121543

MTEB Indic v1 · Pair Classification · Hindi?

Seed1.6 Embedding—

Seed1.6 Embedding 121591.2

MTEB Indic v1 · Reranking · multilingual (2 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121586.9

MTEB Indic v1 · STS · multilingual (13 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121532.3

MTEB Medical v1 · Clustering · English?

Seed1.6 Embedding47.8

Seed1.6 Embedding 1215—

MTEB Medical v1 · Reranking · Mandarin Chinese?

Seed1.6 Embedding89.8

Seed1.6 Embedding 1215—

MTEB multilingual v2 · Mean over task types · multilingual (1037 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121561.3

MTEB multilingual v2 · Bitext Mining · multilingual (1026 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121578.7

MTEB multilingual v2 · Classification · multilingual (119 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121576.7

MTEB multilingual v2 · Clustering · multilingual (208 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121556.8

MTEB multilingual v2 · Instruction Reranking · English?

Seed1.6 Embedding—

Seed1.6 Embedding 1215-0

MTEB multilingual v2 · Multilabel Classification · multilingual (25 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121546.2

MTEB multilingual v2 · Pair Classification · multilingual (24 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121585.5

MTEB multilingual v2 · Reranking · multilingual (22 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121566.2

MTEB multilingual v2 · Retrieval · multilingual (120 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121566

MTEB multilingual v2 · STS · multilingual (35 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121575.9

MTEB Dutch v1 · Reranking · Dutch?

Seed1.6 Embedding—

Seed1.6 Embedding 121591.7

MTEB Portuguese v1 · Multilabel Classification · Portuguese?

Seed1.6 Embedding—

Seed1.6 Embedding 121522.4

MTEB Russian v1.1 · Pair Classification · Russian?

Seed1.6 Embedding—

Seed1.6 Embedding 121566

MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages)?

Seed1.6 Embedding—

Seed1.6 Embedding 121580.5

MTEB Spanish v1 · Pair Classification · Spanish?

Seed1.6 Embedding—

Seed1.6 Embedding 121586.4

MTEB Thai v1 · Clustering · Thai?

Seed1.6 Embedding—

Seed1.6 Embedding 121552.7

MTEB Thai v1 · Pair Classification · Thai?

Seed1.6 Embedding—

Seed1.6 Embedding 121591.5

MTEB English v2 · Summarization · English?

Seed1.6 Embedding37.1

Seed1.6 Embedding 1215—

MTEB English v2 · Clustering · English?

Seed1.6 Embedding59.2

Seed1.6 Embedding 1215—

MTEB English v2 · Classification · English?

Seed1.6 Embedding92.4

Seed1.6 Embedding 1215—

MTEB English v2 · Reranking · English?

Seed1.6 Embedding50.3

Seed1.6 Embedding 1215—

MTEB English v2 · STS · English?

Seed1.6 Embedding86.9

Seed1.6 Embedding 1215—

MTEB English v2 · Pair Classification · English?

Seed1.6 Embedding85.1

Seed1.6 Embedding 1215—

MTEB English v2 · Retrieval · English?

Seed1.6 Embedding64.9

Seed1.6 Embedding 1215—

Benchmark	Seed1.6 Embedding	Seed1.6 Embedding 1215
MTEB multilingual v2 · Mean over tasks · multilingual (1037 languages)	—	70.3
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
FollowIR · Mean over tasks · English	—	-0
FollowIR · Mean over task types · English	—	-0
FollowIR · Instruction Reranking · English	—	-0
MTEB Mandarin Chinese v1 · Mean over tasks · Mandarin Chinese	75.6	—
MTEB Mandarin Chinese v1 · Mean over task types · Mandarin Chinese	76.7	—
MTEB Mandarin Chinese v1 · Classification · Mandarin Chinese	78.1	—
MTEB Mandarin Chinese v1 · Clustering · Mandarin Chinese	73.1	—
MTEB Mandarin Chinese v1 · Pair Classification · Mandarin Chinese	88.7	—
MTEB Mandarin Chinese v1 · Reranking · Mandarin Chinese	71.6	—
MTEB Mandarin Chinese v1 · Retrieval · Mandarin Chinese	79.7	—
MTEB Mandarin Chinese v1 · STS · Mandarin Chinese	68.9	—
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 Europe v1 · Bitext Mining · multilingual (28 languages)	—	91.8
MTEB Europe v1 · Clustering · multilingual (29 languages)	—	48.9
MTEB Europe v1 · Instruction Reranking · English	—	-0
MTEB Europe v1 · Multilabel Classification · multilingual (23 languages)	—	39.5
MTEB Europe v1 · Reranking · multilingual (12 languages)	—	63.2
MTEB French v1 · Pair Classification · French	—	79.3
MTEB Indic v1 · Clustering · multilingual (21 languages)	—	43
MTEB Indic v1 · Pair Classification · Hindi	—	91.2
MTEB Indic v1 · Reranking · multilingual (2 languages)	—	86.9
MTEB Indic v1 · STS · multilingual (13 languages)	—	32.3
MTEB Medical v1 · Clustering · English	47.8	—
MTEB Medical v1 · Reranking · Mandarin Chinese	89.8	—
MTEB multilingual v2 · Mean over task types · multilingual (1037 languages)	—	61.3
MTEB multilingual v2 · Bitext Mining · multilingual (1026 languages)	—	78.7
MTEB multilingual v2 · Classification · multilingual (119 languages)	—	76.7
MTEB multilingual v2 · Clustering · multilingual (208 languages)	—	56.8
MTEB multilingual v2 · Instruction Reranking · English	—	-0
MTEB multilingual v2 · Multilabel Classification · multilingual (25 languages)	—	46.2
MTEB multilingual v2 · Pair Classification · multilingual (24 languages)	—	85.5
MTEB multilingual v2 · Reranking · multilingual (22 languages)	—	66.2
MTEB multilingual v2 · Retrieval · multilingual (120 languages)	—	66
MTEB multilingual v2 · STS · multilingual (35 languages)	—	75.9
MTEB Dutch v1 · Reranking · Dutch	—	91.7
MTEB Portuguese v1 · Multilabel Classification · Portuguese	—	22.4
MTEB Russian v1.1 · Pair Classification · Russian	—	66
MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages)	—	80.5
MTEB Spanish v1 · Pair Classification · Spanish	—	86.4
MTEB Thai v1 · Clustering · Thai	—	52.7
MTEB Thai v1 · Pair Classification · Thai	—	91.5
MTEB English v2 · Summarization · English	37.1	—
MTEB English v2 · Clustering · English	59.2	—
MTEB English v2 · Classification · English	92.4	—
MTEB English v2 · Reranking · English	50.3	—
MTEB English v2 · STS · English	86.9	—
MTEB English v2 · Pair Classification · English	85.1	—
MTEB English v2 · Retrieval · English	64.9	—

Specs

Spec	Seed1.6 Embedding	Seed1.6 Embedding 1215
Context	33K	33K
Weights	Closed	Closed
Released	Jun 2025	Dec 2025
Dimensions	2,048 (or 1,024)	—
Max input	33K tokens	33K tokens

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Seed1.6 Embedding → Seed1.6 Embedding 1215

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