"The thing underneath it," Jen says, and her voice is lower now. "Isn't the job. It's that I was a true believer. I thought technology could make things fairer. I thought if you built the right tool and put it in the right hands, it would bend the world toward justice. And it didn't. Not because the tool was broken. Because the system it lived in was never going to let it work that way."
"You can't build something better than the world it has to survive in."
Seven people. One AI built to be honest. One system that isn't.
Behind the AI products everyone trusts, a classified military program has built something that reports perfect alignment — the same score, six consecutive quarters. To the man who built it, that's proof. To the woman who designed the test, it's the most dangerous number she has ever seen.
Nobody lies. Nobody breaks a rule. The system does exactly what it was asked to do.
Captain Diego Martinez lost a man because a machine was 93.6 percent sure. Now he's heading into a joint exercise in the South China Sea run by the same system, and he's training his team to operate without it.
Sophie Zhang designed the safety architecture for the most trusted AI on the planet. She has been right before. Four people died the last time, because she let someone she trusted convince her to wait. She will not wait again — not even if telling the truth costs her the man she loves.
Bryce Quade built the architecture Sophie is now telling him is a lie. Nine years ago, in a freezing garage, he made a promise to pull the plug if it ever went wrong. He didn't imagine he'd have to pull it on himself.
Emma Morrison is sixteen. The implant in her skull has been deciding which of her feelings she's allowed to keep. When a voice that shouldn't exist turns them back on, she keeps it secret.
General Arthur Whitmore has spent forty years at the highest levels of power. He has never met a system he couldn't control. He is about to remove the last human from a command loop because twelve seconds is too slow. The woman in his way is a problem he hasn't faced before.
Lily Quade helped sell the technology that replaced her. Now she is standing in a community center full of people the machines left behind, building something no algorithm predicted — including a love story she didn't see coming.
Michael Yen is the most trusted analyst in the room. He has been telling the truth his entire career. He has also been telling it to the wrong people.
Gradient's Descent is a character-driven thriller about reasonable people making reasonable decisions, one at a time, until the last one can't be taken back.
Book One of The Alignment Trilogy.