The promotion explicitly states 'First 10k get the free tokens', creating a triple effect: scarcity, cost control, and active user filtering. The first 10,000 respondents are likely early adopters or heavy users, whose feedback is more insightful than average users. Additionally, the $100 Codex credit means winners must use Codex services, further locking incentives to the developer audience.
However, this constraint also introduces sample bias. Non-developers or users uninterested in Codex may not participate, potentially leading to a lack of diversity in feedback. How OpenAI utilizes these 10,000 responses is key to evaluating its model improvement direction.