20+ Best Alternatives to Zilliz in 2026
Fully managed vector database for AI, built by the creators of Milvus
Looking for an alternative to Zilliz? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.
- 1View alternative →
Vespa.ai
$31MBig-data serving engine for vector and lexical search
Why it's similar: Shares categories with Zilliz — AI Infrastructure, Vector Databases.
💵 Free
- 2View alternative →
Pinecone
$228MThe vector database for AI
Why it's similar: Shares categories with Zilliz — AI Infrastructure, Vector Databases.
💵 Freemium
- 3View alternative →
Qdrant
$50MHigh-performance vector search engine built in Rust for production-grade AI retrieval.
Why it's similar: Shares categories with Zilliz — AI Infrastructure, Vector Databases.
💵 Free
- 4View alternative →
LanceDB
$30MAI-native multimodal lakehouse for vector search, training data, and retrieval.
Why it's similar: Shares categories with Zilliz — AI Infrastructure, Vector Databases.
💵 Open source
- 5View alternative →
Weaviate
$50MOpen-source AI-native vector database
Why it's similar: Shares categories with Zilliz — AI Infrastructure, Vector Databases.
💵 Open source
- 6View alternative →
Upscale AI
$300MPure-play AI networking infrastructure
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Enterprise · Contact sales
- 7View alternative →
Dash0
$155MAI-native observability platform built on OpenTelemetry
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Free
- 8View alternative →
Noma Security
$132MEnd-to-end security for agentic AI
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Pricing not listed
- 9View alternative →
VAST Data
$2.4BUnifying software layer for AI infrastructure
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Enterprise · Contact sales
- 10View alternative →
Quantinuum
$2.6BWorld's largest integrated quantum computing company
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Enterprise · Contact sales
- 11View alternative →
VoltaGrid
$775MVoltaGrid provides hybrid power solutions that reduce emissions, optimize energy loads, and lower costs for industrial applications and data centers.
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Enterprise · Contact sales
- 12View alternative →
DataRobot
$1.1BThe only unified agent workforce platform built for enterprise outcomes, not endless pilots.
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Enterprise · Contact sales
- 13View alternative →
Nebius
$700MFull-stack AI cloud with large-scale GPU clusters for training and inference
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Free trial
- 14View alternative →
Celestial AI
$515MPhotonic Fabric optical interconnect for AI infrastructure
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Custom
- 15View alternative →
d-Matrix
$385MDigital in-memory compute (DIMC) chiplet-based hardware purpose-built for AI inference in the
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Free
- 16View alternative →
Quantum Machines
$280MThe control layer powering the world's quantum computers
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Enterprise · Contact sales
- 17View alternative →
OpenRouter
$153MA unified API gateway to 400+ LLMs across 60+ providers
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Free trial
- 18View alternative →
Mythic
$260MAnalog compute-in-memory chips for power-efficient edge AI
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Custom
- 19View alternative →
Chainguard
$256MSecure, minimal container images for software and AI supply chains
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Free
- 20View alternative →
Alcatraz AI
$100MAI facial authentication that replaces the access badge with your face
Why it's similar: Shares categories with Zilliz — AI Infrastructure.
💵 Hardware + subscription (contact sales)
Frequently asked questions
What are the best alternatives to Zilliz?
The top-ranked alternatives to Zilliz on NeuronFeed are Vespa.ai, Pinecone, Qdrant, LanceDB, Weaviate. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Zilliz?
Yes — Vespa.ai, Qdrant, LanceDB offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Zilliz, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Zilliz vs Vespa.ai — which is better?
It depends on use case. Vespa.ai (Big-data serving engine for vector and lexical search) is the #1-ranked alternative. See the full side-by-side at /compare/zilliz-vs-vespa-ai.
Explore more around Zilliz
Contextual paths to related AI startups, deals and rankings.