data
Everything on Ground Truth tagged “data” — 2 items.
The data firms behind frontier AI sell judgment, not labels News
Mercor, Surge AI and AfterQuery have all converged on the same product line -- reinforcement-learning environments, scoring rubrics, expert demonstrations and human evaluations -- turning graded professional judgment into a commodity input for frontier models.
Stack Exchange API Tool
The free, key-less API behind Stack Overflow and its sister sites, which will return exact question, answer and user counts for any date range -- useful for checking claims about the site's decline yourself.