Chroma vs Weaviate

Chroma and Weaviate (Weaviate creates database software like the Weaviate vector search engine) both appear on the Smoower Developer Ecosystem Index.

Weaviate (rank #152) holds a narrow lead over Chroma (rank #209) on the overall Smoower ecosystem score (52 vs 49). The gap of 3 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Weaviate is ahead of Chroma. On community (issue response, PR reviews and discussion health), Weaviate is slightly ahead of Chroma. On reach (how visible the ecosystem is beyond its own repos), Weaviate is slightly ahead of Chroma. On momentum (release cadence and how fast the ecosystem moves), Weaviate is clearly ahead of Chroma.

Chroma carries 30,602 GitHub stars across 29 public repos, with 6 repositories active in the last 90 days and 94 external contributors on record. Weaviate shows 30,251 stars across 140 public repos, 32 active in the last 90 days and 51 external contributors.

Chroma is worth a look for teams already invested in its stack. Weaviate looks better where momentum is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.