AI Infrastructure comparison

LiteLLM vs Weaviate

Pricing, pros, cons, and ideal use cases — side by side.

LiteLLMFreemium

An open-source LLM gateway that gives you one consistent API and proxy across 100+ model providers, with key management and spend tracking.

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WeaviateFreemium

An open-source vector database for production semantic search and RAG, available self-hosted or as a managed cloud service.

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At a glance

LiteLLMWeaviate
PricingFreemiumOpen-source and free to self-host. A paid enterprise edition adds SSO, audit logs, and support.FreemiumOpen-source and free to self-host. Weaviate Cloud is a managed, usage-based service.
CategoryAI InfrastructureAI Infrastructure
Ideal for
Teams using multiple model providersPlatform teams centralizing LLM access and spendEnterprises wanting provider portability
Teams building production RAG and semantic searchSaaS apps needing multi-tenant data isolationEnterprises wanting self-hosted or managed options

Pros & cons

LiteLLM

Pros
  • One consistent API across 100+ providers
  • Proxy adds key management, budgets, and spend logging
  • Avoids provider lock-in
  • Lightweight to adopt
Cons
  • Self-hosting the proxy is your operational burden
  • A gateway is one more hop to monitor
  • Advanced governance features are in the paid edition

Weaviate

Pros
  • Mature open-source vector database
  • Hybrid keyword-plus-vector search
  • Multi-tenancy for isolating customer data
  • Self-hosted or managed cloud
Cons
  • Self-hosting carries an operational burden
  • Retrieval quality still depends on your tuning
  • Another datastore to run and monitor

Which should you choose?

LiteLLM is built around teams using multiple model providers; Weaviate leans more toward teams building production rag and semantic search. Shortlist the one whose strengths line up with your biggest constraint.

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