What is Model Migration?
Moving a product or its customers from one model version to a newer one. It means rerunning evals and retuning prompts, and regressions or the old model's retirement date can block or force the move.

5 of 6 moved · 1 held at red
A model migration is…
Write it in your own words in the app.
In real work
The model migration for enterprise accounts paused when the golden set showed a regression on long contracts, so those customers stayed on the old version.
In the illustration
Wagons roll one by one through the points from the old line onto the new one. For the last wagon the signal turns red, and it waits on the old line.
Plan the model migration in your model for our enterprise accounts: eval results by workflow, which accounts move first, what blocks the rest, and the date the old model retires.
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