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rStar-Math (Qwen2-Math-7B base)

Parameters
7B
Published
Aug 1, 2025

rStar-Math (Qwen2-Math-7B base) is an AI model developed by Microsoft Research Asia, Peking University and Tsinghua University (China), first published in August 2025. It works in the language domain, on tasks such as language modeling/generation and mathematical reasoning.

Epoch AI has no training-compute estimate for this model. The model has 7,000,000,000 parameters. Training ran on 80 NVIDIA H100 SXM5 80GB.

Access: Unreleased. Its weights are not openly released. It is built on top of Qwen2-Math-7B. The reference paper has 308 citations. Epoch AI rates the confidence of this record as confident.

Full record
Organization
Microsoft Research Asia, Peking University, Tsinghua University
Country of organization
China
Domain
Language
Task
Language modeling/generation, Mathematical reasoning
Compute estimation method
Operation counting
Parameters
7,000,000,000
Training hardware
NVIDIA H100 SXM5 80GB
Chips used
80
Training power draw
109.5 kW
Model accessibility
Unreleased
Open weights
No
Base model
Qwen2-Math-7B
Citations
308
Epoch confidence
Confident
More from Microsoft Research Asia,Peking University,Tsinghua University
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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