OpenAI Embeddings alternatives

OpenAI's hosted embedding API — text-embedding-3-small, text-embedding-3-large. Most widely used commercial embedding API in OSS RAG/memory stacks. Full OpenAI Embeddings record →

  1. 1 Sentence Transformers Embedding & reranker services

    also in Embedding & reranker services · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 19k Apache-2.0 Compare with OpenAI Embeddings →

  2. 2 Hugging Face Inference API (Embeddings) Embedding & reranker services

    also in Embedding & reranker services · also offered managed

    OSS — Self-host ✓ Managed ✓ MCP ✓ ★ 5.1k released 2026-10-23 proprietary service; huggingface_hub SDK… Compare with OpenAI Embeddings →

  3. 3 BGE (BAAI) Embedding & reranker services

    also in Embedding & reranker services · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 12k MIT Compare with OpenAI Embeddings →

  4. 4 Cohere Embed Embedding & reranker services

    also in Embedding & reranker services · also offered managed

    OSS — Self-host ✓ Managed ✓ MCP ? ★ 406 released 2026-09-30 proprietary; Python SDK MIT Compare with OpenAI Embeddings →

  5. 5 Nomic Embed Embedding & reranker services

    also in Embedding & reranker services · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 1.9k released 2025-11-11 Apache-2.0 Compare with OpenAI Embeddings →

  6. 6 Mixedbread AI Embedding & reranker services

    also in Embedding & reranker services · also offered managed

    OSS — Self-host ✓ Managed ✓ MCP ✓ released 2026-09-14 proprietary API; open-weight models Apache-2.0… Compare with OpenAI Embeddings →

  7. 7 Mistral Embed Embedding & reranker services

    also in Embedding & reranker services

    OSS — Self-host ? Managed ? MCP ? ★ 775 released 2026-10-25 proprietary; SDK Apache-2.0 Compare with OpenAI Embeddings →

  8. 8 GTE (Alibaba-NLP) Embedding & reranker services

    also in Embedding & reranker services · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ? released 2025-01-20 Apache-2.0 (Alibaba-NLP gte-multilingual… Compare with OpenAI Embeddings →

Ranked by shared memory design (storage, retrieval, conflict handling, memory unit), same section and shared must-haves (open source, self-hosting, MCP), with adoption as a tie-breaker. ✓ confirmed · — no · ? not in the catalog yet. Want picks for your own requirements? Use the chooser. Checking a whole project? Check your stack.