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

Foundation models

Momentum leaders

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

4 companies with sufficient evidence

#1
Anthropic

AI safety and research company building Claude models and developer APIs.

Momentum

72.14

-11.43
#2
OpenAI

AI research and deployment company providing GPT models and developer APIs.

Momentum

66.43

-11.43
#3
Mistral AI

AI company providing language models and developer APIs for production applications.

Momentum

55

-5.71
RankCompanyScoreChange
#1
Anthropic

3,894 GitHub stars

72.14-11.43
#2
OpenAI

31,590 GitHub stars

66.43-11.43
#3
Mistral AI

768 GitHub stars

55-5.71
#4
Cohere

399 GitHub stars

49.29+17.15

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