Well, I'm actually an actual Japanese person too. As for using GPT 3.5, I just never paid for GPTs, sorry for that. The deltas just look marginal to me, I know everything on the Internet(/s) and I can read/write basic English, and I'm a bit of an crazy paranoid type too, so value of getting hallucinated outputs and having it critique my writing through the tapped GPT web interface isn't that high.
If you could read all of these outputs and compare against each others(thanks glandium-san and sorry for bothering), you'll just see all of it has pros and cons and that they compare. They're not worlds apart, in fact I think GT did best in this instance probably from massive accumulation of edge case fixes or some other non-scaling improvements behind it.
Like I said, it's an interesting phenomenon - it could be UX advantages, or friendlier tones, latency, personally I think it's dataset imbalance or could be numerous other things. But when it comes to actual literal translation performance, um, it's just an MT.
If you could read all of these outputs and compare against each others(thanks glandium-san and sorry for bothering), you'll just see all of it has pros and cons and that they compare. They're not worlds apart, in fact I think GT did best in this instance probably from massive accumulation of edge case fixes or some other non-scaling improvements behind it.
Like I said, it's an interesting phenomenon - it could be UX advantages, or friendlier tones, latency, personally I think it's dataset imbalance or could be numerous other things. But when it comes to actual literal translation performance, um, it's just an MT.