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Chroma vs Weaviate

Trust Score comparison · March 2026

Chroma
82
Trust
Good
View profile
VS
Trust Score Δ
8
🏆 Weaviate wins
Weaviate
90
Trust
Excellent
View profile

Signal Comparison

300K / wkPyPI downloads250k / wk
120 commitsCommits (90d)150 commits
16k ★GitHub stars12k ★
850 q'sStack Overflow3k q's
HighCommunityActive
ChromaWeaviate

Key Differences

FactorChromaWeaviate
LicenseApache 2.0BSD-3-Clause
LanguagePythonTypeScript / Python
HostedSelf-hostedSelf-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.