AIIStack index

AI company leaderboards

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.

Tracking 15 companies across 7 governed markets.
MomentumInnovationPopularityAI visibility
Market
All tracked markets
Agent frameworks
AI inference platforms
AI & MLOps
Foundation models
Model development platforms
Vector databases
Voice AI

Agent frameworks

Momentum leaders

Recent release velocity and freshness, calibrated within the tracked cohort.

2 companies with sufficient evidence

#1
LangChain

Agent-engineering platform for building, deploying, and operating LLM-powered applications.

Momentum

77.86

-11.43
#2
LlamaIndex

Agentic document and data platform for knowledge-grounded AI applications.

Momentum

26.43

-5.71
RankCompanyScoreChange
#1
LangChain

145,799 GitHub stars

77.86-11.43
#2
LlamaIndex

52,040 GitHub stars

26.43-5.71

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