OpenAI Embeddings
https://platform.openai.com/docs/guides/embeddings
OpenAI's hosted embedding API — text-embedding-3-small, text-embedding-3-large. Most widely used commercial embedding API in OSS RAG/memory stacks.
At a glance
- Type
- OpenAI embedding API
- Tier
- T1
- Section
- Embedding & reranker services
- Created
- 2022-01
- Latest release
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- License
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- GitHub
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- Pricing
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- Funding
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Taxonomy
- storage
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- retrieval
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- persistence
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- update
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- unit
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- governance
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- conflict
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When to use
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Pros & cons
Pros
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Cons
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Claims & capabilities
Default embedding choice in many LangChain/LlamaIndex tutorials.
Technical surface
- API surface
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- Backend storage
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- Deployment
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- Embedding model
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- Multi-tenancy
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- MCP
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- A2A
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- OpenTelemetry
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Compare OpenAI Embeddings with…
Similar systems
Other embedding & reranker services in the catalog, ranked by inbound references.
- Cohere Embed T1
Cohere's hosted embedding models (embed-v3 family) — multi-lingual, image+text, compression. Reranker API (Rerank-v3). Cohere is one of three major LLM startups (alongside Anthropic, OpenAI) by revenue scale.
- BGE (BAAI) T2
BAAI (Beijing Academy of AI) BGE family — bge-large/base/small + bge-m3 multilingual + bge-reranker. One of the most widely-used open embedding families.
- GTE (Alibaba-NLP) T3
Alibaba DAMO Academy's GTE family — open-weight multilingual embedding models; gte-large/base/small + Qwen-based gte-Qwen2.
- Hugging Face Inference API (Embeddings) T1
HF's hosted Inference API and Inference Endpoints — serve any model from the Hub including the BGE/GTE/E5 embedding families.
- Jina AI Embeddings T1
Jina AI's embedding family — jina-embeddings-v3 (multilingual), jina-clip-v2 (text+image), jina-colbert-v2. Open-weights + hosted API + ColBERT-style.
- Mistral Embed T2
Mistral AI's hosted embedding API — mistral-embed; available via Mistral La Plateforme and Azure AI.