According to CoinMeta, iFlytek's wholly-owned subsidiary, CiYuan Spark, officially launched and open-sourced two general-purpose large models for the edge side on September 1st: Spark x2.5-4b and Spark x2.5-1.7b. These two models are the only ones among edge-side models that natively support up to 1 million words of context, enabling local devices to process information at a scale of millions of words.