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text-embedding-3-small

A compact, inexpensive embedding model for search and retrieval at scale.

Embedding 3 Embedding GA Open weights: No API: Yes

Plain-English Summary

A compact, inexpensive embedding model for search and retrieval at scale.

Technical Notes

Proprietary text embedding model with up to 1,536 dimensions and an 8,191-token input limit.

Best For

Cost-effective RAG, deduplication, search, recommendations

Watch Out For

Lower retrieval quality than the large model on demanding datasets.

Model Specs

Maker
OpenAI
Country
USA
Family
Embedding 3
Type
Embedding
Release date
2024-01-25
Date confidence
Exact
Status
GA
Context window
8,191 tokens
Max output
Not listed
Parameters
Not disclosed
Active parameters
Not disclosed
Architecture
Proprietary embedding transformer
Reasoning
No / not emphasized
Tool calling
No / not documented
Structured output
No / not documented
API available
Yes
Open weights
No
Self-hostable
No
License
Proprietary
Inputs
Text
Outputs
Embedding vector
Approx. price
$0.02 per 1M input tokens
How to access
Provider website or API
Model / API ID
text-embedding-3-small
Knowledge cutoff
Not publicly disclosed
Fine-tuning
Selectable embedding dimensions
Completeness
86 %
Verified
Jul 18, 2026
Snapshot date
Jul 18, 2026
Source
Official source