# Spark X2.5-4B

iFlytek



端侧原生 1M 上下文；混合注意力（3 SWA + 1 full）


## Availability

Apache 2.0；HF XHToken/Spark-X2.5-4B；星辰 MaaS
- Model released: Sep 01, 2026 · Date only

## Sources

- Source: https://huggingface.co/XHToken/Spark-X2.5-4B

Canonical entry: https://www.ailyre.com/source/?id=iflytek-spark-x2-5-4b&lang=en