Qwen2.5-Math-1.5B-Instruct

apache-2.01.5B

> [!Warning] > <div align="center"> > <b> > 🚨 Qwen2.5-Math mainly supports solving English and Chinese math problems through CoT and TIR. We do not recommend using this series of models for other tasks. > </b> > </div>

Context
4K

Capabilities

Reasoning & Interaction
Tool Calling
Infrastructure
Streaming
Fine-tuning

Details

Model IDQwen/Qwen2.5-Math-1.5B-Instruct
Provider Hugging Face
Creator Qwen
Family—
Licenseapache-2.0
Status—
Typechat
Input modalitiestext
Output modalitiestext
Open weightYes
Parameters1.5B
Architecturetransformer
Context window4K tokens
Max input—
Max output—
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

API

GET/v1/models/huggingface/Qwen/Qwen2.5-Math-1.5B-Instruct

Qwen2.5-Math-1.5B-Instruct

Qwen/Qwen2.5-Math-1.5B-Instruct

> [!Warning] > <div align="center"> > <b> > 🚨 Qwen2.5-Math mainly supports solving English and Chinese math problems through CoT and TIR. We do not recommend using this series of models for other tasks. > </b> > </div>

Changes · 4 entries
Qwen/Qwen2.5-Math-1.5B-Instructupdate1cd659eMar 24, 2026, 04:19 AM
capabilitiesfine tuningyes
Qwen/Qwen2.5-Math-1.5B-Instructupdateb301ebeMar 23, 2026, 11:47 PM
modalitiesinput["text"]output["text"]
Qwen/Qwen2.5-Math-1.5B-Instructupdate2b100acMar 23, 2026, 05:30 AM
capabilitiestool callyes
model_typechat
parameters1.5
page_urlhttps://huggingface.co/Qwen/Qwen2.5-Math-1.5B-Instruct
description> [!Warning] > <div align="center"> > <b> > 🚨 Qwen2.5-Ma...
release_date2024-09-16
context_window4096
licenseapache-2.0
tagline> [!Warning] > <div align="center"> > <b> > 🚨 Qwen2.5-Ma...
architecturetransformer
open_weightyes
tools["function_calling"]
Qwen/Qwen2.5-Math-1.5B-Instructcreate7f5c66fMar 21, 2026, 05:16 AM