Re:AI is not Making Engineers 10x as Productive
by docmars on Tuesday August 05, 2025 @08:49PM
(#44806397)
Work is. I actually don't have access to our billing, so I couldn't tell you exactly, but it depends on how many ACUs (Agent Compute Units) you've used.
We use a Team plan ($500 /mo), which includes 250 ACUs per month. Each bug or small task consumes anywhere between 1-3 ACUs, and fewer units are consumed if you're more precise with your prompt upfront. A larger prompt will usually use fewer ACUs because follow-up prompts cause Devin to run more checks to validate its work. Since it can run scripts, compilers, linters, etc. in its own VM -- all of that contributes to usage. It can also run E2E tests in a browser instance, and validate UI changes visually.
They recommend most tasks should stay under 5 ACUs before it becomes inefficient. I've managed to give it some fairly complex tasks while staying under that threshold.
We use a Team plan ($500 /mo), which includes 250 ACUs per month. Each bug or small task consumes anywhere between 1-3 ACUs, and fewer units are consumed if you're more precise with your prompt upfront. A larger prompt will usually use fewer ACUs because follow-up prompts cause Devin to run more checks to validate its work. Since it can run scripts, compilers, linters, etc. in its own VM -- all of that contributes to usage. It can also run E2E tests in a browser instance, and validate UI changes visually.
They recommend most tasks should stay under 5 ACUs before it becomes inefficient. I've managed to give it some fairly complex tasks while staying under that threshold.
So anywhere between $2-6 per task usually.