compare
Chroma vs Weaviate
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Chroma | Weaviate |
|---|---|---|
| Language | Rust | Go |
| Licence | Apache-2.0 | Other |
| Stars | 29k | 17k |
| Latest | 1.5.9 | v1.39.9 |
| Last push | 2026-10-05 | 2026-10-06 |
| Release cadence | about 9 days between releases | about 1 day between releases |
| Active contributors | 9 commit authors on the default branch in the last 90 days | 15+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Pinecone. Alternatives to Pinecone →
PartialChromaEmbedded or client-server vector store, aimed at LLM applications.
Full replacementWeaviateVector and hybrid search with built-in vectoriser modules.
Chroma
- latest2025-04-01Latestpre-release
- 1.5.92026-05-05Version: 1.5.9
- cli-1.4.42026-05-05CLI release.
- foundation-cli-v0.1.0-alpha.32026-05-01fix release workflow: use rust/foundation/target for standalone workspace binary pathpre-release
- 1.5.82026-04-16Version: 1.5.8
Weaviate
- v1.38.192026-10-06v1.38.19 - Export data to Parquet format improvements
- v1.39.92026-10-05v1.39.9 - LSM store performance improvements
- v1.39.82026-10-01v1.39.8 - MMR normalize query vector Fix, Multi-tenant collections re-vectorize check on PATCH
- v1.38.182026-10-01v1.38.18 - MMR normalize query vector Fix, Multi-tenant collections re-vectorize check on PATCH Fix
- v1.40.0-rc.22026-09-30v1.40.0-rc.2 - Alter Schema Drop Vector Index, HFresh MUVERA, RQ-4 quantizationpre-release
Chroma
✓ signed The latest release, 1.5.9, carries a signature GitHub verified.
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Weaviate
unsigned The latest release, v1.39.9, carries no signature GitHub could verify.
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