Seed1.6 Embedding 1215

Dec 2025
Seed1.6 Embedding 1215
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API price not publicprice
80.5MTEB Scandinavian v1
Dec 2025released
33K tokensMax input

Ranking?

Full ranking →
1Seed1.6 Embedding 121591.52Qwen 3 Embedding 8B88.63Arabic English Sts Matryoshka88.54Harrier OSS v1 27B88.55Qwen 3 Embedding 4B86.7

Benchmarks

in Embeddings & Retrieval
MTEB Europe v1 · Bitext Mining · multilingual (28 languages)91.8#9
MTEB Europe v1 · Clustering · multilingual (29 languages)48.9#17
MTEB Europe v1 · Instruction Reranking · English-0#60
MTEB Europe v1 · Reranking · multilingual (12 languages)63.2#7
MTEB Europe v1 · Multilabel Classification · multilingual (23 languages)39.5#1
MTEB French v1 · Pair Classification · French79.3#2
MTEB Indic v1 · Reranking · multilingual (2 languages)86.9#23
MTEB Indic v1 · Pair Classification · Hindi91.2#1
MTEB Indic v1 · STS · multilingual (13 languages)32.3#65
MTEB Indic v1 · Clustering · multilingual (21 languages)43#33
MTEB Dutch v1 · Reranking · Dutch91.7#13
MTEB Portuguese v1 · Multilabel Classification · Portuguese22.4#31
FollowIR · Mean over tasks · English-0#60
FollowIR · Mean over task types · English-0#60
FollowIR · Instruction Reranking · English-0#60
MTEB Spanish v1 · Pair Classification · Spanish86.4#1
MTEB Thai v1 · Clustering · Thai52.7#38
MTEB Thai v1 · Pair Classification · Thai91.5#1
MTEB Scandinavian v1 · Bitext Mining · multilingual (3 languages)80.5#12
CoIR · Mean over tasks · multilingual (9 languages)78.3#9
CoIR · Mean over task types · multilingual (9 languages)78.3#9
CoIR · Retrieval · multilingual (9 languages)78.3#9
MTEB Code v1 · Mean over tasks · multilingual (15 languages)80.7#3
MTEB Code v1 · Mean over task types · multilingual (15 languages)80.7#3
MTEB Code v1 · Retrieval · multilingual (15 languages)80.7#3
MTEB Russian v1.1 · Pair Classification · Russian66#14
MTEB multilingual v2 · Mean over tasks · multilingual (1037 languages)70.3#4
MTEB multilingual v2 · Mean over task types · multilingual (1037 languages)61.3#4
MTEB multilingual v2 · Classification · multilingual (119 languages)76.7#3
MTEB multilingual v2 · Clustering · multilingual (208 languages)56.8#8
MTEB multilingual v2 · STS · multilingual (35 languages)75.9#19
MTEB multilingual v2 · Pair Classification · multilingual (24 languages)85.5#2
MTEB multilingual v2 · Retrieval · multilingual (120 languages)66#17
MTEB multilingual v2 · Bitext Mining · multilingual (1026 languages)78.7#12
MTEB multilingual v2 · Instruction Reranking · English-0#60
MTEB multilingual v2 · Multilabel Classification · multilingual (25 languages)46.2#1
MTEB multilingual v2 · Reranking · multilingual (22 languages)66.2#13
MMEB-V2lab75.1

FAQ

How much does Seed1.6 Embedding 1215 cost?›

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

Is Seed1.6 Embedding 1215 free to use?›

There is no free API.

How good is Seed1.6 Embedding 1215, and what is it best at?›

#9 of 205 in Embeddings.

Is Seed1.6 Embedding 1215 better than Qwen 3 Embedding 8B?›

On MTEB Thai v1 · Pair Classification · Thai, Seed1.6 Embedding 1215 scores 91.5 vs 88.6 — higher.

When was Seed1.6 Embedding 1215 released? Is there a newer version?›

Released 2025-12-15. It is the current version in its line.

Is Seed1.6 Embedding 1215 open source?›

No, Seed1.6 Embedding 1215 is a closed model available through an API. The closest open-weights option here is Qwen 3 Embedding 8B.

What is Seed1.6 Embedding 1215?›

Seed1.6 Embedding 1215 is a closed embeddings & retrieval model from ByteDance, released Dec 2025.

What are the best alternatives to Seed1.6 Embedding 1215?›

Qwen 3 Embedding 8B (open weights).