#1
WeaviateOpen-source vector database and hybrid-search platform for AI applications.
Momentum
77.86
AIIStack index
Rankings built from attributable activity—not sponsorships, votes, or self-reported claims. Drill into every company’s evidence before making a decision.
No paid placement
Scores are cohort-normalized and use a versioned model. Visibility remains withheld until its evidence panel exists.
Vector databases
Recent release velocity and freshness, calibrated within the tracked cohort.
3 companies with sufficient evidence
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