Ant Group's reasoning-oriented (thinking) model family, built on the Ling backbone with reinforcement learning. The world's first open-source trillion-parameter thinking model.

Outputs 3

Ring-1T-preview

model

World's first open-source trillion-parameter thinking model. Preview release of the Ring reasoning series.

Architecture MOE
Parameters 1T

Ring-1T: Every Step Evolves

paper

Scaling reinforcement learning for trillion-scale thinking model.

arXiv: 2510.18855

Ring-2.5-1T

model

Hybrid linear-architecture reasoning model that matches gold-medal standards in IMO/CMO 2025 competitions.

Architecture MOE
Parameters 1T
reasoningmoeopen-weightfrontiertraining

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