When Microsoft first announced the update to PR16, late last year, the company promised the new model would be “twice as fast as before and with higher quality.”

The company’s head of Search, Jordi Ribas, argues that Microsoft’s internal benchmarking tests determined the quality of PR16-generated images to be “a bit better on average” than the previous Dall-E PR13’s outputs.

Vole was a little surprised when users did not see it that way, although to be fair we couldn’t tell much difference.

Ribas announced that the company will roll back Bing’s underlying image generation model to the previous version until it can work out the quality issues with PR16. That could take a couple of weeks.

“We’ve been able to [reproduce] some of the issues reported, and plan to revert to PR13 until we can fix them. The deployment process is very slow, unfortunately. It started over a week ago and will take 2-3 more weeks to get to 100%.”