A tech company wants to run A/B tests on two versions of a machine learning model. What approach can be used to ensure smooth routing of user requests to the correct model version?

  • Randomly assign users to model versions
  • Use a feature flag system
  • Rely on user self-selection
  • Use IP-based routing
To ensure smooth routing of user requests to the correct model version in A/B tests, a feature flag system (option B) is commonly used. This approach allows controlled and dynamic switching of users between model versions. Randomly assigning users (option A) may not provide the desired control. Relying on user self-selection (option C) may lead to biased results, and IP-based routing (option D) lacks the flexibility and control of a feature flag system for A/B testing.
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