Ask HN: In-house or outsourced data annotation? (2025)

3 points by yogoism 11 hours ago

While big tech often outsources data annotation to firms like Scale AI, TURING, and Mercor, companies such as Tesla and Google run in-house teams.

Which approach do you think is better for AI and robotics development, and how will this trend evolve?

Please share your data annotation insights and experiences.