Devin's Fable 5.1 + SWE-2 Fusion Mode Runs 3+ Hours on Just 1% of Usage, Early User Reports

CtrlAltDwayne · x · 2026-09-17

A user tried Fable 5.1 and SWE-2 in fusion mode inside Devin and came away impressed: a task has been running for over 3 hours and counting, while daily usage moved only 1%. The author argues that if Devin had proper computer use capabilities, OpenAI would be in serious trouble.

Original post →

More from coding & agent

coding & agent channel →