SparkLLM Releases Spark-X2.6-4B With 1M-Token Context and vLLM Support

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SparkLLM released Spark-X2.6-4B, a 4B-parameter model with a 1M-token context window and selectable thinking levels, with vLLM confirming serving support at launch. The model is available on Hugging Face under the Apache 2.0 license. Users can choose among none, low and high thinking settings. SparkLLM says improved post-training strengthened the model’s coding, agent and long-context capabilities.

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Latest development10/21 10:19 (UTC+8)

Spark-X2.6-4B launches with 1M-token context and day-zero vLLM support vLLM · X

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10/21

10:19
vLLM · XPicks
Spark-X2.6-4B launches with 1M-token context and day-zero vLLM support
1M tokens of context. 4B parameters. Apache 2.0. Controllable thinking. vLLM says Spark-X2.6-4B is live with day-zero serving support and congratulates @SparkLLM. In the quoted announcement, @SparkLLM reports stronger coding, agent, and long-context skills through improved post-training, with thinking options of none / low / high. https://huggingface.co/XHToken/Spark-X2.6-4B https://twitter.com/SparkLLM/status/2112614036227408363

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