Spark X2.6
Key facts · verified Oct 27, 2026
Spark X2.6 is an iFLYTEK model released on 22 Oct 2026. Pricing: Not published in a form readable here — see xinghuo.xfyun.cn. Its context window is 1M tokens. It is not yet ranked on LMArena's text leaderboard. Source: media-outreach.com.
iFLYTEK’s Spark X2.6, unveiled on 22 October 2026 at the iFLYTEK 1024 Global Developer Festival in Beijing as a model with integrated on-device and cloud capabilities. Its open on-device version, Spark-X2.6-4B, keeps the architecture of Spark-X2.5-4B with improved post-training for coding, agents, long context, multilingual use and reasoning; it has three thinking levels (none, low, high), is published under Apache 2.0, and runs with a context length of up to 1,048,576 tokens.
Not published in a form readable here — see xinghuo.xfyun.cn
1M tokens
Not rated
Not ranked
Key Features
Full Specifications
Not published in a form readable here — see xinghuo.xfyun.cn | |
|---|---|
| Identity | |
| Developer | iFLYTEK |
| Released | Oct 2026 |
| Status | Announced 22 Oct 2026; Spark-X2.6-4B weights published |
| Licence | Apache 2.0 (Spark-X2.6-4B, on-device version) |
| Self-hostable | Yes — Spark-X2.6-4B runs with llama.cpp, Ollama, LM Studio, MLX, vLLM and SGLang |
| Cost | |
| Input price | Self-hosted (4B) — no first-party API price published |
| Output price | Self-hosted (4B) — no first-party API price published |
| Capacity | |
| Context window | 1M tokens |
| Capability | |
| Extended reasoning | Yes — thinking levels none, low and high |
| Access | |
| Fine-tuning | Yes — the model card documents fine-tuning |