Seed1.5 Embedding

Apr 2025
Seed1.5 Embedding
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price not verifiedprice
67.5MTEB English v2
Apr 2025released
33K tokensMax input

Rankingconfiguration unstated?

Full ranking →
1QZhou Embedding91.62Ingot 8B R389.33Jasper Token Compression 600M88.84Qwen 3 Embedding 4B88.75Qwen 3 Embedding 8B88.6
···
8Jina Embeddings v5 Text Small88.110Seed1.5 Embedding87.211Seed1.6 Embedding86.9

Strong at

S
Embeddings & Retrieval#6 of 200

Benchmarks

in Embeddings & Retrieval
BRIGHT · Mean over tasks · English27.2#1
BRIGHT · Mean over task types · English27.2#1
BRIGHT · Retrieval · English27.2#1
MTEB Mandarin Chinese v1 · Mean over tasks · Mandarin Chinese74.9#5
MTEB Mandarin Chinese v1 · Mean over task types · Mandarin Chinese76#5
MTEB Mandarin Chinese v1 · Retrieval · Mandarin Chinese79.3#5
MTEB Mandarin Chinese v1 · STS · Mandarin Chinese66.6#5
MTEB Mandarin Chinese v1 · Reranking · Mandarin Chinese70.1#12
MTEB Mandarin Chinese v1 · Clustering · Mandarin Chinese71.1#9
MTEB Mandarin Chinese v1 · Pair Classification · Mandarin Chinese89.6#4
MTEB Mandarin Chinese v1 · Classification · Mandarin Chinese79.5#2
MTEB Medical v1 · Clustering · English51.4#8
MTEB Medical v1 · Reranking · Mandarin Chinese88#20

FAQ

How much does Seed1.5 Embedding cost?›

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

How good is Seed1.5 Embedding, and what is it best at?›

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

Is Seed1.5 Embedding better than Jina Embeddings v5 Text Small?›

On MTEB English v2 · STS · English, Seed1.5 Embedding scores 87.2 vs 88.1 — about the same.

When was Seed1.5 Embedding released? Is there a newer version?›

Released 2025-04-25. It is the current version in its line.

Is Seed1.5 Embedding open source?›

No, Seed1.5 Embedding is a closed model available through an API. The closest open-weights option here is QZhou Embedding.

What is Seed1.5 Embedding?›

Seed1.5 Embedding is a closed embeddings & retrieval model from ByteDance Seed, released Apr 2025.

What are the best alternatives to Seed1.5 Embedding?›

QZhou Embedding (better).