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Qwen2.5-Math-1.5B

Training compute
1.8×10²³ FLOP
Parameters
1.5B
Published
Sep 19, 2024

Qwen2.5-Math-1.5B is an AI model developed by Alibaba (China), first published in September 2024. It works in the language domain, on tasks such as language modeling/generation, quantitative reasoning and mathematical reasoning.

Training it took an estimated 1.8×10²³ FLOP of compute (estimation method: operation counting). The model has 1,500,000,000 parameters.

Access: Open weights (unrestricted). Its weights are openly available. It is built on top of Qwen2.5-1.5B. Epoch AI rates the confidence of this record as confident.

Full record
Organization
Alibaba
Country of organization
China
Domain
Language
Task
Language modeling/generation, Quantitative reasoning, Mathematical reasoning
Training compute
1.8×10²³ FLOP
Compute estimation method
Operation counting
Parameters
1,500,000,000
Model accessibility
Open weights (unrestricted)
Open weights
Yes
Base model
Qwen2.5-1.5B
Epoch confidence
Confident
More from Alibaba
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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