Marqo vs Weaviate: Vector Databases Comparison (2026)
Marqo focuses on discovery, multimodal capabilities, scalability, and rapid impact. Weaviate offers a free tier with specific limits and a pay-as-you-go model.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask vector databases questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
- ✓Purpose built for discovery
- ✓Multimodal by default
- ✓Built for scale
- ✓Accelerated time to impact
- ✓Always free — 1 cluster per user
- ✓100,000 objects, 1 GB memory
- ✓1 collection, up to 3 tenants
- ✓Embeddings & Query Agent included
When to choose Marqo
You require a vector database specifically designed for discovery, multimodal data handling, and rapid deployment for measurable ROI.
When to choose Weaviate
You are looking for a vector database with a free tier to get started, with defined limits on objects, memory, collections, and tenants, and prefer a pay-as-you-go pricing model.
Frequently Asked Questions
AI visibility profiles
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marqo.ai
weaviate.io