#1
AnthropicAI safety and research company building Claude models and developer APIs.
Innovation
89.29
AIIStack index
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.
Foundation models
Release cadence and product freshness, calibrated within the tracked cohort.
4 companies with sufficient evidence
AI safety and research company building Claude models and developer APIs.
Innovation
89.29
AI company providing language models and developer APIs for production applications.
Innovation
83.57
AI research and deployment company providing GPT models and developer APIs.
Innovation
72.14
3,773 GitHub stars
758 GitHub stars
31,224 GitHub stars
396 GitHub stars
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