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The AI Productivity Index

APEX-v1.0 is the first benchmark that measures how well AI models perform real-world, economically valuable work.

Most economically valuable models

This APEX leaderboard presents the global ranking of models based on their averaged results across all task domains. It shows which AI models are best overall at performing the kinds of professional work that drive the economy.

Model

Score

o3 (high)

50%

Claude 3.5 Sonnet

47%

o3 (medium)

45%

Gemini 2.5 Pro Experimental

42%

o4-mini (high)

40%

View all models

Benchmark domains

Consulting

Aug 2025

Consulting Associate

Analyzes industries, evaluates markets, and builds strategic or financial models to guide client decisions. Work often includes preparing presentations, drafting reports, and synthesizing research into actionable recommendations.

Advised by Dominic Barton—former McKinsey Global Managing Director and Canadian Ambassador to China.

Experts from McKinsey, BCG, Deloitte, Accenture, EY-Parthenon

Investment Banking Analyst

Builds financial models, values companies, and prepares pitch materials for potential deals. Responsibilities include conducting industry research, supporting transaction execution, and producing client-ready presentations under tight deadlines.

Advised by Larry Summers—Economist, former U.S. Treasury Secretary and Harvard President, and current OpenAI board member.

Experts from Goldman Sachs, Morgan Stanley, JPMorgan, Barclays, UBS, Bank of America, Evercore

Drafts and reviews contracts, conducts legal research, and advises clients on regulatory and transactional matters. Collaborates with partners on litigation, mergers and acquisitions, and compliance while managing heavy workloads across cases.

Advised by Cass Sunstein—Harvard law professor, former White House Regulatory Administrator, and top-cited legal scholar.

Experts from Latham & Watkins, Skadden, Cravath

General Practitioner (MD)

Diagnoses and treats a wide range of patient conditions, from acute illnesses to chronic diseases. Reviews medical histories, orders and interprets tests, prescribes treatments, and provides preventative care and ongoing patient guidance.

Advised by Eric Topol—Cardiologist, geneticist, and founder of the Scripps Research Translational Institute, leading voice in digital and precision medicine.

Experts from University of Pennsylvania, Northwestern, Cornell, Brigham & Women’s, Mount Sinai