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.

All tracked markets

Innovation leaders

Release cadence and product freshness, calibrated within the tracked cohort.

15 companies with sufficient evidence

#1
Anthropic

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

Innovation

95

+17.14
#2
OpenAI

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

Innovation

89.29

+17.15
#3
Weaviate

Open-source vector database and hybrid-search platform for AI applications.

Innovation

83.57

-5.72
RankCompanyScoreChange
#1
Anthropic

4,002 GitHub stars

95+17.14
#2
OpenAI

31,941 GitHub stars

89.29+17.15
#3
Weaviate

16,905 GitHub stars

83.57-5.72
#4
LangChain

148,281 GitHub stars

77.86-5.71
#5
Hugging Face

168,080 GitHub stars

72.14-5.72
#7
Mistral AI

774 GitHub stars

60.71-5.72
#8
Qdrant

35,193 GitHub stars

55+11.43
#10
Cohere

406 GitHub stars

43.57-5.72
#11
Together AI

81 GitHub stars

37.86+17.15
#12
Pinecone

453 GitHub stars

32.14-5.72
#13
LlamaIndex

52,616 GitHub stars

26.43-5.71
#14
Groq

621 GitHub stars

20.71-5.72
#15
Replicate

918 GitHub stars

15+0

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