01 LlamaIndex
Open-source data framework for LLM apps, plus the commercial LlamaCloud platform for parsing, extracting, and indexing complex documents
AI Agents & Automation from $50/mo free tier: yes Verified JUL 16, 2026
Weaviate alternatives
5 alternatives compared · prices last verified Jul 20, 2026 · how we verify
LlamaIndex is the top Weaviate alternative in our directory: it covers the same category (AI Search & Research), starts at $50/mo, and has a free tier. The lowest-priced option with a free tier is Qdrant, starting at Free. All 5 alternatives below are compared on pricing verified against the official pricing pages, on the dates shown.
Ranked by category overlap with Weaviate, free-tier availability, then lowest verified starting price — computed from our verified data, never sponsorships.
Weaviate alternatives compared
| Alternative | Category | Starting price | Free tier | Price verified |
|---|---|---|---|---|
| LlamaIndex | AI Agents & Automation | $50/mo | yes | Jul 16, 2026 |
| Qdrant | AI Agents & Automation | Free | yes | Jul 20, 2026 |
| Mem0 | AI Agents & Automation | $19/mo | yes | Jul 18, 2026 |
| Pinecone | AI Agents & Automation | $20/mo | yes | Jul 12, 2026 |
| LangChain | AI Agents & Automation | $39/seat/mo | yes | Jul 12, 2026 |
Each alternative, in brief
02 Qdrant
Open-source vector database in Rust for RAG, agent memory, and semantic search — self-host free or run on Qdrant Cloud
AI Agents & Automation from Free free tier: yes Verified JUL 20, 2026
03 Mem0
Memory layer for AI agents that stores and retrieves user context across sessions, open source with a hosted platform
AI Agents & Automation from $19/mo free tier: yes Verified JUL 18, 2026
04 Pinecone
Managed serverless vector database for semantic search, RAG, and recommendation systems
AI Agents & Automation from $20/mo free tier: yes Verified JUL 12, 2026
05 LangChain
Open-source frameworks for building LLM agents, plus the commercial LangSmith platform for tracing, evaluation, and deployment
AI Agents & Automation from $39/seat/mo free tier: yes Verified JUL 12, 2026
When to stay with Weaviate
Documented strengths from our Weaviate review — switching isn't always the right call:
- Core database is fully open source with no object cap when self-hosted
- Managed cloud starts free (100,000 objects) and scales pay-as-you-go from $45/month
- Native hybrid search and built-in embeddings reduce the need for extra services