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Chroma vs Weaviate
Trust Score comparison · March 2026
Signal Comparison
300K / wkPyPI downloads250k / wk
120 commitsCommits (90d)150 commits
16k ★GitHub stars12k ★
850 q'sStack Overflow3k q's
HighCommunityActive
ChromaWeaviate
Key Differences
| Factor | Chroma | Weaviate |
|---|---|---|
| License | Apache 2.0 | BSD-3-Clause |
| Language | Python | TypeScript / Python |
| Hosted | Self-hosted | Self-hosted |
| Free tier | — | — |
| Open Source | ✓ Yes | — |
| TypeScript | — | ✓ |
Pick Chroma if…
- You want the simplest vector DB to get started
- You're building Python LLM apps with embeddings
- You need local dev with easy cloud migration
Pick Weaviate if…
- You want open-source vector DB you can self-host
- Hybrid search combining semantic + keyword
- Multi-tenant SaaS applications
Side-by-side Quick Start
Chroma
import chromadb
client = chromadb.Client()
collection = client.create_collection("my_docs")
collection.add(
documents=["This is a doc about cats", "This is a doc about dogs"],
ids=["cat1", "dog1"]
)
results = collection.query(query_texts=["feline pets"], n_results=1)
print(results)Weaviate
import weaviate from 'weaviate-client';
const client = await weaviate.connectToWeaviateCloud(
process.env.WEAVIATE_URL,
{ authCredentials: new weaviate.ApiKey(process.env.WEAVIATE_API_KEY) }
);
const collection = client.collections.get('Article');
const result = await collection.query.nearText(['AI news'], { limit: 5 });
console.log(result.objects);Community Verdict
Based on upvoted notes🏆
Weaviate wins this comparison
Trust Score 90 vs 82 · 8-point difference
Weaviate leads on Trust Score with stronger signal data across downloads and community health. That said, the other tool is worth considering if your use case matches its specific strengths above.