Vespa alternatives (2026)
These are the vector databases brands AI engines name when buyers ask. Ranked by how often ChatGPT, Claude, Gemini, Perplexity and Copilot actually cite them over the last 90 days — not by reviews or paid placement. For reference, Vespa is named in 60% of the 5 answers we checked.
Named instead of Vespa
On the questions Vespa loses, these are the sites engines cite in its place.
- pinecone.io ×2
Top Vespa alternatives by AI citation share
Starting price: $20/month flat
Fully managed infrastructure · Scales effortlessly · Pay-as-you-go pricing · Community support via Discord
Starting price: $0/mo
Always free — 1 cluster per user · 100,000 objects, 1 GB memory · 1 collection, up to 3 tenants · Embeddings & Query Agent included
Starting price: $0/month
Usage-based pricing · 10 databases for Starter plan · 10 team members for Starter plan · Community Slack support
Single Node Cluster · 0.5 vCPU / 1GB RAM / 4 GB Disk · Dedicated Resources · 99.5% Uptime SLA
Starting price: $779/month
Multimodal Lakehouse platform · Flexible data evolution features · Supports distributed vector search · Native SQL for retrieval
Purpose built for discovery · Multimodal by default · Built for scale · Accelerated time to impact
How this list is built
We put the buyer questions people actually ask in vector databases to five AI engines on a recurring schedule and record which brands get named. The ranking above is the share of those answers naming each brand over the last 90 days. No paid placement, no review scores.