Let’s screw some numbers to make your Codex subscription look as impressive.

By spending on the $200 plan, you get 20x the amount of tokens. So effectively $4,000 if you’d buy it at the worst way possible. Now do so for a year: $48,000 on tokens.

To reach the conclusion of the article, you could just also have used the free tier.

“Was it worth it? My current productivity is simply beyond the reach of old unassisted development techniques. I feel there's no going back in that sense.”

Money spent versus value gained seems pretty low.