HomeRing-2.5-1T
1T
Model parameter quantity
Ant Group
Affiliated organization
Open Source
License Type
February 13, 2026
Release time
Model Introduction
Ring-2.5-1T is an upgraded version of Ring-1T, developed by inclusionAI, and is the world’s first trillion-parameter reasoning model based on a hybrid linear attention architecture.
Comprehensive score
Language dialogue
Knowledge reserve
Reasoning association
Mathematical calculation
Code writing
Command following
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Language comprehension ability
Often makes semantic misjudgments, leading to obvious logical disconnects in responses.
6.9
Knowledge coverage scope
Possesses core knowledge of mainstream disciplines, but has limited coverage of cutting-edge interdisciplinary fields.
8.9
Reasoning ability
Unable to maintain coherent reasoning chains, often causing inverted causality or miscalculations.
5.4
Model comparison
Ring-2.5-1T vs Doubao-Seed-1.6-251015 (Thinking)
The deep reasoning model released by ByteDance, which supports manual switching of deep reasoning, and its performance is significantly improved compared to doubao-1.5.
Ring-2.5-1T vs Doubao-Seed-1.6-thinking-250715
The latest version of the seed series model launched by ByteDance, which supports the thinking mode.
Related model
Ling-1T
The Bailing LLM series is independently developed by Ant Group Bailing team. It demonstrates exceptional capabilities in semantic understanding, instruction following, and text generation, enabling it to effectively tackle tasks involving reasoning, knowledge, coding, and mathematics.
Finix-P1 (Thinking)
The financial domain LLM released by Ant Group.
Ring-1T
The Bailing LLM series is independently developed by Ant Group Bailing team. It demonstrates exceptional capabilities in semantic understanding, instruction following, and text generation, enabling it to effectively tackle tasks involving reasoning, knowledge, coding, and mathematics.
Ring-1T-preview
The Bailing LLM series is independently developed by Ant Group Bailing team. It demonstrates exceptional capabilities in semantic understanding, instruction following, and text generation, enabling it to effectively tackle tasks involving reasoning, knowledge, coding, and mathematics.
Finix-P1 (Thinking)
The financial domain LLM released by Ant Group.
Relevant documents
Ant Group Open Sources Ring-2.5-1T, World's First Trillion-Parameter Thinking Model with Mixture of Linear Architecture
On February 13, Ant Group made the world's first trillion-parameter reasoning model, Ring-2.5-1T, based on a hybrid linear architecture, available as open source. It delivers state-of-the-art open-source performance in long-text generation, mathemati
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