Spark-X2.6-4B
Spark-X2.6-4B is a compact, general-purpose language model released as downloadable model weights in Hugging Face Transformers format. The release describes improvements in coding, agentic workflows, long-context tasks, multilingual capabilities, and reasoning compared with Spark-X2.5-4B.
What it does
Developers can run it locally to build applications for coding, tool use, and other language tasks.
- Availability
- Model weights and configuration files available in Hugging Face Transformers format
- Pricing model
- Not established
- Deployment
- On-device deployment
- Privacy
- Not established
- Licence
- Apache 2.0
Capability
Modality
Access
Deployment
Pricing
Target user
Evidence
5 claims- The repository contains model weights and configuration files in Hugging Face Transformers format. [1]
> This repository contains model weights and configuration files for the post-trained model in the Hugging Face Transformers format.
Hugging Face. Quoted text is outside CC BY 4.0 and keeps its original rights. - The model improves coding, agentic, long-context, multilingual, and reasoning capabilities over Spark-X2.5-4B. [1]
- **Stronger Coding, Agentic, and Long-Context Capabilities**: The models deliver substantial improvements in agentic workflows involving complex tool use, multi-step planning, and software engineering.
Hugging Face. Quoted text is outside CC BY 4.0 and keeps its original rights. - It provides three configurable thinking levels: none, low, and high. [1]
- **Controllable Thinking Budget**: The models provide three configurable thinking levels—none, low, high—allowing applications to balance reasoning quality, latency, and inference cost dynamically.
Hugging Face. Quoted text is outside CC BY 4.0 and keeps its original rights. - The model is designed for on-device deployment. [1]
Building on the Spark-X2.5-4B, we introduce **Spark-X2.6-4B**, the latest generation of our compact, general-purpose language models for on-device deployment.
Hugging Face. Quoted text is outside CC BY 4.0 and keeps its original rights. - The model series is licensed under Apache 2.0. [1]
The Spark-X2.6 model series is licensed under the [Apache 2.0 License](LICENSE).
Hugging Face. Quoted text is outside CC BY 4.0 and keeps its original rights.
Sources
1
1
Hugging FaceOwner-controlled
https://huggingface.co/XHToken/Spark-X2.6-4B
Retrieved 2026-10-28 00:51 UTC
Verified
Versions
3| Version | Effective | Change | Changed fields | State |
|---|---|---|---|---|
| 3 | 2026-10-28 00:51 UTC | material change | capability, access, availability | Current |
| 2 | 2026-10-22 04:27 UTC | material change | capability, access, availability, deployment | Current |
| 1 | 2026-10-21 05:24 UTC | publication | None | Current |
In briefs
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Original catalog content is licensed under CC BY 4.0, attributed to wowsuchai. Source quotations and linked content keep their original rights.