Question 1

Codex Pro 5× vs MiniMax Ultra for coding: which gives more building hours per dollar?

Accepted Answer

At p50 peak, Codex Pro 5× returns 0.16 building h/week per $/month (16 h/week for $100/mo) and MiniMax Ultra returns 0.30 building h/week per $/month (36 h/week for $120/mo), so MiniMax Ultra gives more building hours per dollar; on building quality Codex Pro 5× is graded frontier and MiniMax Ultra strong; Codex Pro 5× hours are guessed — treat them as a guess.

Question 2

What do Codex Pro 5× and MiniMax Ultra cost?

Accepted Answer

$100/mo and $120/mo. Comparisons only pair plans within 1.5× of each other on price.

Question 3

Can Codex Pro 5× and MiniMax Ultra run as terminal CLI agents?

Accepted Answer

Codex Pro 5× runs as a CLI agent. MiniMax Ultra runs as a CLI agent. The stack builder can require at least one CLI seat.

	Codex Pro 5×	MiniMax Ultra
Price	$100/mo	$120/mo
Building h/week p50 (p10–p90), peak	16 (8–28)	36 (16–60)
Building h/week p50 (p10–p90), off-peak	—	—
Building h/week per $/mo at p50 peak	0.16	0.30
Quality grades	frontier planning · frontier building · strong admin	cheap planning · strong building · strong admin
Source	guessed	official-clock
Terminal CLI agent	Yes	Yes
Clock	no published off-peak discount	no $ off-peak; RPM throttle ~15:00–17:30 London

Codex Pro 5× vs MiniMax Ultra, side by side