Brief, mostly signal
Spark-X2.6-4B ships on Hugging Face as a GGUF model
A compact on-device model with the same architecture as Spark-X2.5-4B and improved post-training. It offers three selectable thinking levels.

Brief, mostly signal
A compact on-device model with the same architecture as Spark-X2.5-4B and improved post-training. It offers three selectable thinking levels.

Spark-X2.6-4B, a compact on-device model from XHToken, is out on Hugging Face as a GGUF with the same architecture as Spark-X2.5-4B and improved post-training, plus three selectable thinking levels.
Actionability rated medium.