Indicators / series
metr_blog.rct_2026.dev_speed_change.pt
Source: METR research posts (METR) · METR · CSV
METR, Time Horizon 1.1 (29 Jan 2026)
| id | value | grade | as of date | published date | tier | audited vs reported | extraction method | review status | retrieved at | http status | content hash | supersedes id | url | flags |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 432914bd5a0024ff | -4.0% | grade A, evidence tier 1 | 2026-02-24 | 2026-02-24 | 1 | reported | manual | approved | 2026-09-10T01:28:39.748058Z | 200 | c9aa67e9b6dd | — | source page | ⚑ disputed: METR itself calls this 'very weak evidence' because developers refusing the no-AI arm biases the sample. |
Raw snippets and dispute text
- 432914bd5a0024ff Among newly-recruited developers the estimated speedup is -4%, with a confidence interval between -15% and +9%. — METR itself calls this 'very weak evidence' because developers refusing the no-AI arm biases the sample.