Spark-X2.6 leaked on HF before its official release (Oct 22)
Spotted XHToken/Spark-X2.6-4B-INT8 and Spark-X2.6-4B-FP8 on HuggingFace minutes ago — both since deleted. Official release is dated October 22. X2.5-4B is already a strong 4B (BFCL-V4 65.1, AIME 2026 90.7 in thinking mode). If X2.6 is a retrained base, the question is what the retrain changed — we'…
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- 2026-10-20 15:51 · r/LocalLLM
Spark-X2.6 leaked on HF before its official release (Oct 22)