vector databases Open Source ()

Weaviate

Cloud-native open-source vector database supporting native hybrid search and modular machine learning model integration.

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GitHub Stars 16,910 Go
Starting Price $25/mo hybrid
MCP Compatibility ✅ Native Support Self-Hosting Available

Pricing & Quota Breakdown

Core engine is 100% free under BSD-3-Clause. Weaviate Cloud (WCD) provides a 14-day free sandbox, with serverless consumption tiers starting at $0.05 per 1,000 queries.

Developer Free

$0 / month
Billed flat
  • ✓ Community support
  • ✓ Standard rate limits
  • ✓ Core API access

Pro Tier

$25 / month
Billed flat
  • ✓ High concurrency
  • ✓ Priority routing
  • ✓ Extended limits

Head-to-Head Weaviate Comparisons

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