SparkLLM releases on-device models with 1M context support

MaziyarPanahi · x · 2026-09-01

SparkLLM released Spark-X2.5-4B and 1.7B, compact on-device agent models supporting 200+ languages and a native 1M token context. Both models feature day-0 vLLM support via an out-of-tree plugin.

Related event: SparkLLM Open-Sources X2.5 On-Device Models with 1M Context(2 posts)→

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