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usedby

As published on weaviate.io. Captured by usedby on Oct 8, 2026.

What happened

Stack AI uses Weaviate as the vector database behind its platform for building and managing enterprise AI agents. It relies on hybrid search, metadata querying, multi-tenancy and flexible secure deployment to serve enterprise customers with strict compliance needs.

Summary written by usedby from the source page, in English. The figures are those of Weaviate and Stack AI, not ours.

Compared to alternative solutions like Pinecone, Stack AI achieved substantial cost savings in the tens of thousands of dollars while accessing a more robust feature set and maintaining high performance.

From the page. weaviate.io, captured Oct 8, 2026

The biggest benefit of using Weaviate isn't just the technology – it's the team behind it. The level of support we receive through their engineering team and support channels has been company-saving help.

Antoni Rosinol, Co-founder of Stack AI, Stack AI. Source, captured Oct 8, 2026

What the story claims, and what we checked

We compared the story with its live page on Oct 8, 2026.

  • The passage quoted aboveCheckedCopied word for word from the page, near the name of Stack AI.
  • Stack AI uses WeaviateCheckedConfirmed line. Latest check across sources: Oct 8, 2026.
  • The result itselfNot checkedWe quote it; we did not measure it.

Same company, same tool or same industry.

40%“Weaviate outperformed OpenSearch by 20x at scale and with 40% lower operational costs”Booking.com uses Weaviate. Another customer of Weaviate2.5x“train models 2.5x faster than previously experienced on NVIDIA H200s”Mistral AI uses CoreWeave. Same industry: Artificial Intelligence90%“90% cost reduction”OpenAI uses CoreWeave. Same industry: Artificial Intelligence