iFlytek Open-Sources Spark-X2.6-4B Edge Model with 1M Context

iFlytek's SparkLLM team has released Spark-X2.6-4B, an Apache 2.0 open-source edge model that claims to match 9B models. It supports up to 1M token context and three adjustable thinking modes, with GGUF versions available for local deployment.

2026-10-21 ~ 2026-10-22 · 4 related posts

• Spark-X2.6-4B ships: 4B on-device model claims parity with ~9B peers, adds thinking budget — jacek2023 · 2026-10-21
• Spark-X2.6-4B Debuts: 4B Params, 1M Context, Apache 2.0, Controllable Thinking — vllm_project · 2026-10-21
• iFlytek open-sources Spark-X2.6-4B: a 4B on-device model with 1M context, beating Qwen3.5-9B — AdinaYakup · 2026-10-22
• iFlytek open-sources Spark-X2.6-4B on-device model with 1M context under Apache 2.0 — AdinaYakup · 2026-10-22