Using the beta, I played a 1v1 vs. a hard AI, then played a 2v1 vs. two hard AIs...in both games, I didn't use anything that is notorious for dealing with the AI -- no missile barrage, no uber titan, no SB abusing, no minelayer strategies, no XP milking, nothing fancy at all...I played AL and just colonized and frigate spammed....
The 1v1 was a total waste of time...even with several easy-to-grab planets, the AI expanded significantly slower than me, and took forever to build the resource extractors on the few planets it did colonize...I didn't think too much of that, considering that the AI even on Vicious is easy to outdo in expansion...
The real problem was the pitiful fleet the AI fielded...before v1.82, even a hard AI could outfleet me...in fact, even with the worst AI settings (researcher and economic) the hard AIs would still have a comparable fleet and make rushing a challenge and a risky endeavor in FFA games...out of principle, I researched illuminators, but honestly I could have just stuck with disciples and corvettes the whole game...I didn't even have to fleet hard, and eventually just put the game on 4x and occasionally built a few more ships now and then...
The 2v1 was a little more challenging...I expanded in both directions, but focused my fleet towards only one of my enemies...while I did lose 2 roids to the VL opponent, it was painful watching how long it took the AI to actually take them...meanwhile, the TEC enemy I was focusing on was completely incapable of matching my fleet size...I mean, it wasn't even close, I built 7 or so siege frigates and still had a larger fleet of actual combat ships...the TEC enemy had one SB with no upgrades that caused some losses, but beyond that it was easily wiped and then relegated to some far-away world near its ally...
I then proceeded to focus on my efforts on the Vasari ally...now keep in mind, this enemy had lost virtually no ships to me while I had lost a fair amount of ships to the TEC enemy's SB and "fleet"...eventually, the in-game stats showed it had outdone me in fleet size, but I had stopped reinforcing my fleet for a bit (there was no point) and quickly regained the status of larger fleet...while in the early game all I had spammed was disciples and illuminators, now I decided to mix things up a bit and just spam corvettes and HCs...my fleet of a lvl 10 prog and various frigates easily beat the AI fleet, and once I bombed out 2 of its planets I just put the game on 4x and spammed HCs/corvettes as needed...
I built only 1 SB on the Vasari front, and never upgraded it...the AI never attacked it, and only eventually started helping its ally via a wormhole...I did eventually get a titan, as did the Vasari AI, but their fleet was so pathetic compared to mine that I probably didn't even need one...
I fought 2v1s with hard AIs before this beta, and they were true challenges...at the very least, I'd have to SB a few worlds and would really have to make use of my titan and carriers...this game, I just spammed 4 ship types and easily won...the one thing the hard AI should have been able to beat me at was in fleet size, but even in the 2v1, my fleet was never challenged...once I had half the map (of which the other AI had about half), I just put the game on 4x and waited for the inevitable...
My conclusion is that hard difficulty is now way too easy, and the gap between hard and unfair is so large that the SP experience is severely hampered...I have no problem with hard being changed from the v1.80 state to the v1.82 state if SP guys are reporting that the jump between normal and hard is too much...BUT, if hard is nerfed to this level, then we must have a difficulty between the v1.82 hard and unfair....whether this requires nerfing unfair to the v1.80 hard level (and possibly then cruel and vicious) or introducing a new difficulty level, I am not sure, but we need that level for competent SP players...
I think introducing a new difficulty level between v1.82 hard and unfair would be best, but I understand that would be more coding and UI work...barring that, I would move unfair down to the v1.80 hard level, move cruel closer to the v1.80 unfair level, and probably just leave vicious as it is...
I am begging....yes, begging SD to please not deprive us of this very important difficulty level...I think enough people have expressed how vital the v1.80 hard is to enjoying SP gameplay...