Top 11 ai engineering · agent frameworks that work with Weaviate

LlamaIndex is the highest-ranked provider in the Top 11 LangChain vs LlamaIndex vs CrewAI: 11 Best AI Agent Builder Platforms 2026 that integrates with Weaviate.

Why this answer

Filtered to entries that publicly document a Weaviate integration. We do not include "API available" as proof of integration — there has to be a named connector or first-class workflow.

Showing all 2 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked LangChain vs LlamaIndex vs CrewAI: 11 Best AI Agent Builder Platforms 2026.

  1. #1LlamaIndex(rank #2 in LangChain vs LlamaIndex vs CrewAI: 11 Best AI Agent Builder Platforms 2026)

    9.1/9.4

    The top choice for building agents that reason over private or complex datasets.

    Full LlamaIndex review · Compare: LlamaIndex vs Haystack by deepset · Alternatives

  2. #2Haystack by deepset(rank #6 in LangChain vs LlamaIndex vs CrewAI: 11 Best AI Agent Builder Platforms 2026)

    8.2/9.4

    A robust, pipeline-centric framework for building scalable enterprise RAG agents.

    Full Haystack by deepset review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .