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

All tracked markets

Momentum leaders

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

15 companies with sufficient evidence

#1
LangChain

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

Momentum

95

+11.43
#2
OpenAI

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

Momentum

89.29

+11.43
#3
Anthropic

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

Momentum

83.57

-11.43
RankCompanyScoreChange
#1
LangChain

144,383 GitHub stars

95+11.43
#2
OpenAI

31,387 GitHub stars

89.29+11.43
#3
Anthropic

3,824 GitHub stars

83.57-11.43
#5
Mistral AI

762 GitHub stars

72.14-5.72
#6
Weaviate

16,734 GitHub stars

66.43+5.72
#7
Cohere

395 GitHub stars

60.71+5.71
#8
Hugging Face

164,163 GitHub stars

55+5.71
#10
Qdrant

34,029 GitHub stars

43.57-17.14
#11
Groq

612 GitHub stars

37.86-5.71
#12
LlamaIndex

51,703 GitHub stars

32.14+0
#13
Pinecone

449 GitHub stars

26.43+0
#14
Together AI

81 GitHub stars

20.71+0
#15
Replicate

909 GitHub stars

15+0

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