The Correlation Index β€” global pilot

A handful of foundation models, a diversity of storefronts.

As critical financial decisions β€” credit, underwriting, trading, fraud β€” get delegated to AI agents, institutions that appear to compete with each other can fail in a correlated way when the same shock hits. We measure this concentration with public evidence and an empirical correlation test between models.

Live+0%2 users tracked

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of tracked institutions have a confirmed relationship with OpenAI and/or Anthropic, across a pilot sample of 204 institutions worldwide β€” outside the US, Microsoft and Google show a noticeably stronger foothold.

Live concentration map

204 institutions, a handful of hubs.

Each line is a tracked institution. Each hub is a foundation-model family, sized by how much of the pilot sample it covers. Hover to tilt the map.

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Microsoft (Azure OpenAI)

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Anthropic (Claude)

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OpenAI (GPT)

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Google (Gemini)

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Mistral AI

An institution can appear in several families at once β€” see what the index does not measure.

Mechanism 1

Dependency mapping

Public institution–vendor relationships, classified by model family rather than commercial name.

See the data explorer β†’ β†’

Mechanism 2

Empirical correlation test

Same risk-decision scenarios submitted to several foundation models, observed agreement rate compared to chance.

See the results β†’ β†’

Product

Beta access β€” free, open now.

Build your own perimeter of institutions, see how concentrated its AI-vendor dependencies are, and test what one vendor failure would reach. Free account, no invite.

Discover the product β†’