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 27 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

Popularity leaders

Open-source adoption signals such as GitHub stars and forks.

15 companies with sufficient evidence

#1
Hugging Face

Open-source AI platform for models, datasets, and developer tooling.

Popularity

95

+0
#2
LangChain

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

Popularity

89.29

+0
#3
LlamaIndex

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

Popularity

83.57

+0
RankCompanyScoreChange
#1
Hugging Face

168,080 GitHub stars

95+0
#2
LangChain

148,281 GitHub stars

89.29+0
#3
LlamaIndex

52,616 GitHub stars

83.57+0
#4
OpenAI

31,941 GitHub stars

77.86+0
#5
Qdrant

35,193 GitHub stars

72.14+0
#6
Weaviate

16,905 GitHub stars

66.43+0
#8
Anthropic

4,002 GitHub stars

55+0
#10
Replicate

918 GitHub stars

43.57+0
#11
Mistral AI

774 GitHub stars

37.86+0
#12
Groq

621 GitHub stars

32.14+0
#13
Pinecone

453 GitHub stars

26.43+0
#14
Cohere

406 GitHub stars

20.71+0
#15
Together AI

81 GitHub stars

15+0

Build your watchlist

Track the leaders that matter to you

Receive an in-app alert when a watched company releases, moves materially, or changes its score.