Has anyone tried writing a lot of code through it? What are the results, the sensations, the size of the hole in your pocket?

Is o3-Pro good as Agent?

Artemonim July 7, 2025, 8:10am 2

I got some useful answers in a similar post about Opus, but not one here yet.

Topic		Replies	Views
O3-mini agent mode is insane Discussions	40	10905	February 25, 2025
Since o3 is now 1x in cost, why would anyone use Claude Opus? Discussions	7	1468	June 16, 2025
The o4 mini and o3 are fantastic at solving complex problems Discussions	1	454	April 30, 2025
O3 makes unrelated, breaking changes when working on big tasks Feedback	2	86	June 25, 2025
Update: o3 is now 1 request in Cursor Featured Discussions	22	9275	June 18, 2025