# Choose a specific model from the Qwen2.5 family

> The release includes general, coding and mathematics models in several sizes.

Source: https://fullbytedeveloper.com/blog/qwen-two-five-model-family
Originally posted: 2025-02-11
Published here: 2026-11-06

Qwen2.5 names a model family rather than one fixed deployment. The team's September 2024 announcement introduced general models alongside Qwen2.5-Coder and Qwen2.5-Math, with several model sizes [1]. Our February 2025 carousel introduced that family.

## Match the identifier to the task

Record the full model name before comparing results. The general model, a coding-specialized model and a mathematics model are different choices; the size is another part of that choice.

The release includes open-weight, dense decoder-only models [1]. Read the exact model card and license for the checkpoint you want instead of assuming every member has identical terms, memory requirements or capabilities.

## Compare under the conditions you will use

For a coding task, supply representative code and run the output against tests. For a structured response, validate its fields and types. For a calculation, check the reasoning and result independently.

Measure response time and resource use on the deployment you intend to run. A family announcement cannot tell you whether a particular model will fit your hardware or meet your latency target. Keep the original post as historical context, and use the specific checkpoint's documentation to make the implementation decision.

## Sources

1. [Qwen: Qwen2.5 family announcement](https://qwenlm.github.io/blog/qwen2.5/)

## Original posts

- [Instagram post](https://www.instagram.com/fullbytedeveloper/p/DF7g3rQO1HZ/)