The 10 Best Anime Series of All Time

Two brothers chase the Philosopher's Stone across a world built on alchemy. Tight plotting, a killer cast and a perfect landing make it the one pick every list agreed on, from first to last.

Bounty hunters drift through space in a stylish blend of noir, western and jazz. Just 26 episodes, endlessly rewatchable, and the usual gateway anime for newcomers. Claude had it near the very top.

Humanity hides behind giant walls from man-eating Titans, until the story twists into something far bigger and darker. A cultural juggernaut with a finale that still divides fans. Claude ranked it much lower than the others.

A self-proclaimed mad scientist discovers he can send messages to the past, and every fix makes things worse. A slow-burn sci-fi thriller with one of anime's best payoffs.

Young Gon sets out to find his father and become a Hunter. It starts as adventure and grows into deep, inventive power systems and unforgettable arcs, especially Chimera Ant.

Teens pilot giant biomechanical machines while everyone involved unravels psychologically. The deconstruction that reshaped mecha and left a mark on nearly everything since. Still arguing-in-the-comments material.

A brilliant surgeon saves a boy's life, then spends years hunting the killer that boy became. Patient, moody and morally knotty. ChatGPT placed it far higher than Claude did.

A student finds a notebook that kills anyone whose name is written in it, and a detective rises to stop him. A tense cat-and-mouse game that made it a global gateway into anime.

A sweeping space opera of war, politics and rival geniuses across a galaxy. A cult classic with a huge reputation, though only some runs found room for it, which makes this spot hard-won.

Luffy and his Straw Hat crew chase the ultimate treasure across a vast, endlessly inventive world. Its place here comes entirely from ChatGPT, which named it every time; the other two never did.