# Qwen open-sources Qwen2.5-1M models with 1M-token context windows

> Qwen released two open-source checkpoints — Qwen2.5-7B-Instruct-1M and Qwen2.5-14B-Instruct-1M — upgraded to support context lengths of up to one million tokens. The release includes inference framework support. This follows the earlier Qwen2.5-Turbo upgrade to 1M context and marks the first time the open-source Qwen models have received this capability. Available on Hugging Face and ModelScope.

| | |
|---|---|
| **Tool** | Qwen |
| **Version** | — |
| **Kind** | announcement |
| **Published** | 2025-01-26 |
| **Observed** | 2026-08-11 |
| **Significance** | 4/5 |
| **Breaking** | no |
| **Categories** | new-model, feature, context-window |

## What changed


- Two new open-source checkpoints: Qwen2.5-7B-Instruct-1M and Qwen2.5-14B-Instruct-1M
- First open-source Qwen models with 1M-token context support
- Inference framework support included in the release
- Follows Qwen2.5-Turbo's earlier 1M context upgrade
- Available on Hugging Face and ModelScope (per platform badges in source)


## Sources

- [blog_rss](https://qwenlm.github.io/blog/qwen2.5-1m/) — retrieved 2026-08-11


## Community

_No curated reactions recorded. Facts and community takes are kept in separate layers
and never blended._

---
Canonical: https://changelogs.info/qwen/qwen-open-sources-qwen2-5-1m-models-with-1m-token-context-windows
Entity: https://changelogs.info/qwen
Event ID: `evt_2025-01-26_qwen_qwen2-5-1m-deploy-your-own-qwen-with-context-length-up-to-1m-tokens`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.