SparkLLM Open-Sources X2.5 On-Device Models with 1M Context

SparkLLM has open-sourced two compact on-device agent models, Spark-X2.5-4B and 1.7B. They natively support up to 1 million tokens of context across more than 200 languages, claimed as the only on-device models with native million-token context.

2026-09-01 ~ 2026-09-01 · 2 related posts

• SparkLLM open-sources X2.5 4B/1.7B on-device models with native 1M-token context — vllm_project · 2026-09-01
• SparkLLM releases on-device models with 1M context support — MaziyarPanahi · 2026-09-01