Spark X2.5-4B & 1.7B: the only on-device models with native 1M-token context — now open source

Today SparkLLM releases and open-sources two on-device general models: Spark X2.5-4B and Spark X2.5-1.7B. Both natively support a context window of up to 1,000,000 tokens — as far as we know, the only on-device models to do so. Why 1M context on-device In real work, you rarely hand a model a single question — you hand it a whole after-sales...