Best Open Source Alternatives to Pinecone

Compare the best free and open-source alternatives to Pinecone — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 10 alternatives

Pinecone

Proprietary SaaS

PricingFreemium

Platformsweb

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Pinecone alternatives compared

Open-source alternatives to Pinecone, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Mem0	68,337	Apache-2.0	Web	No	Oct 2026	Visit
Milvus	46,574	Apache-2.0	LinuxDocker	Yes	Nov 2026	Visit
Qdrant	35,408	Apache-2.0	LinuxDocker	Yes	Nov 2026	Visit
Supermemory	31,518	MIT	DockerLinux	Yes	Nov 2026	Visit
Letta	25,331	Apache-2.0	Web	No	Oct 2026	Visit
Weaviate	16,934	BSD-3-Clause	LinuxDocker	Yes	Nov 2026	Visit
Activeloop	9,264	Apache-2.0	Web	No	May 2026	Visit
HelixDB	6,266	Apache-2.0		No	Nov 2026	Visit
Laminar	3,472	Apache-2.0	DockerLinux	Yes	Nov 2026	Visit
Trieve	2,723	MIT	DockerLinux	Yes	Jan 2026	Visit

Top open-source Pinecone alternatives

Mem068,337Apache-2.0

Mem0 provides self-hosted long-term memory for AI agents, replacing manual vector pipelines with automated fact extraction and cross-session persistence.

Web

vs Pinecone: a free, open-source option you fully control, licensed Apache-2.0.

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Milvus46,574Apache-2.0

Milvus is an open-source distributed vector database replacing Pinecone with GPU-accelerated indexing, hybrid search, and decoupled cloud-native scaling.

LinuxDocker

vs Pinecone: a free, open-source option you fully control, licensed Apache-2.0.

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Qdrant35,408Apache-2.0

Qdrant is an open-source Rust vector database replacing Pinecone with self-hosted high-throughput retrieval, on-disk quantization, and payload filtering.

LinuxDocker

vs Pinecone: a free, open-source option you fully control, licensed Apache-2.0.

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