APEX newsletter
Get the latest updates about APEX benchmarks – model releases, leaderboard changes, and what they mean for economically valuable work.
What are APEX benchmarks?
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.
APEX-Agents
Long-horizon, cross-application tasks in professional services
Gemini 4 ArgonHigh
82.4% ±4.3%
Sonnet 5.5Max
75.5% ±4.7%
Opus 5.5Max
73.5% ±4.9%
Fable 5.1Max
68.6% ±4.9%
Gemini 3.7 FlashHigh
67.8% ±5.1%
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