Engine has been updated with upgrade time increases in patch 4.8.3: https://liquipedia.net/starcraft2/Patch_4.8.3#Balance_Update.

Turn any protoss strategy into a hyper-optimized build order

Protoss Build Order Engine will find the fastest way to achieve any set of units through decoupling the search space and applying constraint programming and machine learning techniques

Gateway
Zealot
Stalker
Sentry
Adept
HighTemp
DarkTemp
Robotics Facility
Immortal
Observer
Collosus
Disruptor
Prism
Stargate
Oracle
Voidray
Phoenix
Carrier
Tempest
Forge & Cyber
Ground W
Ground A
Shields
Air W
Air A
Upgrades
Upgrades

Build Spotlight

23 Glaive Adepts @4:58

Includes 31 probes, 2 nexi, and 4 warpgates. Timing achieved by delaying second gas to afford an early extra 3 gates. Deadly timing in all game formats.

9 Phoenix w/ Range @5:05

Includes 26 probes, 2 nexi, and 2 stargates. Timing achieved by efficiently timing 3rd and 4th gas and juggling chrono between stargates. 9 phoenix will one shot opposing phoenix. Strong timing in teamgames when anticipating phoenix wars.

+1 Blink Stalker w/ Prism @5:40

Includes 18 blink stalkers with +1 attack & blink, 1 warp prism, 1 observer, 31 probes, 2 nexi, 4 warpgates, and 1 robo. Disgustingly fast timing achieved by taking an early third gas and aligning all upgrades.

Chargelot Blink DT w/ Prism @5:42

Includes 16 chargelots, 6 blink dts, 1 prism, 1 observer, 35 probes, 2 nexi, 4 warpgates, and 1 robo. Is this build any good? No idea. Will your opponent be surprised? Most definitely.

4 Immortal Speed Prism Adept @ 4:52

Includes 4 immortals, 4 adepts, 2 speed prisms, 2 warpgates, 2 robos, 21 probes, and 1 nexus. Strong in teams games when coupled with terran 2/1/1. Also very fun.

8 Carriers w/ +2 Air Weapons @7:16

Includes 8 carriers, +2 air weapons, 3 stargates, 37 probes, and 2 nexi. Great build for 4v4 if you want to carry your teammates after you ignore their calls to rush.