Technology & SoftwareAnthropicOpenAI
Technology & SoftwareAnthropicOpenAI

Modeled Behavior

Will Claude or ChatGPT grow subscribers faster this month?

The AI subscription is the fastest-growing line item on the American card statement. Claude versus ChatGPT, paying customers only, no vibes, no benchmarks. The receipt decides which model America hires.

Resolved
MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      

Final Result

A
Anthropic100%
O
OpenAI0%
Market Resolved

Activity

Resolved
MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      MARKET CLOSED      

Final Result

A
Anthropic100%
O
OpenAI0%
Market Resolved

Activity

MARKET WINDOW

July 1 to 31, versus June 1 to 30. Listed mid-window; July 1 to 20 has already elapsed at open.

DEFINITIONS & SCOPE

Unique purchasers are distinct cardholders with a verified subscription charge under each company's billing descriptor, consumer rails only. Growth rate normalizes the scale gap between the two.

RESOLUTION METHOD

Higher month-over-month unique purchaser growth rate wins. Tie refunds all positions in full.

DATA SOURCE

Powered by verified transaction data from American Spend's oracle. Anonymized, aggregated, and secured. Real, objective, verified proof of spend sourced from a representative sample of consumer spending.

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