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Evidence over adjectives. Analysis of education technology and the future of work in this region, with every figure sourced.

Instrument plate showing the numeral 19 mounted on a dimension line beside the title METR Withdrew Its Own 19 Percent
The Technology6 min

METR Withdrew Its Own 19%. The Citations Did Not.

In July 2025 METR measured experienced developers taking 19% longer on their own repositories when allowed to use AI. The number went everywhere. In February 2026 METR published a follow-up calling its own central estimate "likely a bad proxy", with both new confidence intervals crossing zero. The figure is still being quoted as settled. What actually survived the revision is more useful than the headline ever was.

September 17, 2026