Spark X2.6 4B
Spark X2.6 4B is a released rag, agents, and long context model with open-source and 1M context; evaluate it while provider pricing coverage matures.
- Family
- Spark X2.6
- Released
- 2026-10-20
- Context
- 1M
- Parameters
- 4B
- Architecture
- Decoder Only
- Specialization
- agentic
- Openness
- Open source
- License
- Apache 2.0OSI-approvedPermitted
- Weights
- Available
- Code
- Unknown
- Training
- Fine-tuned
No tracked provider pricing is available yet.
About
Spark X2.6 4B is iFlytek's compact open-weight language model for on-device agents, announced by SparkLLM on October 20, 2026. It keeps the Spark-X2.5-4B architecture and improves coding, agentic tool use, long-context, multilingual and reasoning results through better post-training, offers three thinking levels (none, low, high), and can be served with up to 1,048,576 tokens of context. Weights (plus a separate base checkpoint) are on Hugging Face under Apache 2.0.
Providers
No active provider routes are tracked for this model yet.
Capabilities
Benchmark peer barsfor RAG
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
API versions
XHToken/Spark-X2.6-4BSpark-X2.6-4Bspark-x2.6-4bRankings & picks(2)
No tracked provider pricing is available yet.