Get the latest updates about APEX benchmarks – model releases, leaderboard changes, and what they mean for economically valuable work.
APEX is our family of benchmarks that assess a broader shift in how the workforce is evolving by measuring whether AI can complete professional, economically valuable work. Each benchmark tests a different dimension of professional capability. All tasks are built with Mercor experts and leading industry partners.
Long-horizon, cross-application tasks in professional services
Gemini 4 CarbonHigh
84.2% ±4.3%
Gemini 4 ArgonHigh
82.4% ±4.3%
Fable 5.2Max
80.1% ±4.7%
Hy4High
77.6% ±4.5%
Sonnet 5.5Max
75.5% ±4.7%
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