Spark-X2.5 is a compact, general-purpose language model for conversation, writing, translation, reasoning, coding, tool use, and agentic workflows.
AI & ML interests
SparkLLM focuses on developing leading general-purpose foundation models and professional AI agent products. The company offers its proprietary Spark model family, together with two companion harness systems, AStudio and Loomy. These products support model access, professional-grade execution of complex tasks, software development and everyday work.
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- Spark-X2.5 is a compact, general-purpose language model for conversation, writing, translation, reasoning, coding, tool use, and agentic workflows. It supports a native context length of up to 1M tokens, and covers more than 200 languages.
Release
- [2026/09/06] 🤝 Added native model architecture support for Spark‑X2.5 (Spark2_5ForCausalLM) in llama.cpp.
- [2026/09/04] 🚀 Released FP8 and INT8 quantized versions of Spark-X2.5-4B and Spark-X2.5-1.7B.
- [2026/09/03] 🤝 Added deployment support for vLLM and SGLang on Ascend NPU.
- [2026/09/02] 🚀 Added AtomGit as a new distribution channel.
- [2026/09/01] 🚀 Global launch of the Spark-X2.5 model series on Hugging Face, ModelScope, Ollama, Modelers, and SCNet.
models 10
XHToken/Spark-X2.5-4B-GGUF
Text Generation • 4B • Updated • 83k • 149
XHToken/Spark-X2.5-1.7B-GGUF
Text Generation • 2B • Updated • 15.2k • 36
XHToken/Spark-X2.5-4B-INT8
Text Generation • 4B • Updated • 796 • 13
XHToken/Spark-X2.5-4B-FP8
Text Generation • 4B • Updated • 745 • 18
XHToken/Spark-X2.5-1.7B-INT8
Text Generation • 2B • Updated • 130 • 10
XHToken/Spark-X2.5-1.7B-FP8
Text Generation • 2B • Updated • 124 • 11
XHToken/Spark-X2.5-1.7B
Text Generation • 2B • Updated • 4.86k • 127
XHToken/Spark-X2.5-4B
Text Generation • 4B • Updated • 17.7k • 1.12k
XHToken/Spark-X2.5-1.7B-Base
Text Generation • 2B • Updated • 797 • 28
XHToken/Spark-X2.5-4B-Base
Text Generation • 4B • Updated • 779 • 28