Spark-X2.6 4B

Apache 2.0

SparkLLM · 4.1B · Dense

On-device agent LLM with 1M context and a configurable thinking budget Check if your GPU or Mac can run Spark-X2.6 4B locally — 2.3 GB min, 3.8 GB recommended.

2026-101024K context

Quantization Options

QuantBitsVRAMQualityStatus
Q2_K21.8 GBlow—
Q3_K_M32.3 GBmoderate—
Q4_K_M42.6 GBgood—
Q5_K_M53.1 GBgood—
Q6_K63.7 GBexcellent—
Q8_084.7 GBexcellent—
F16168.9 GBlossless—

Can I run Spark-X2.6 4B locally?

Can I run Spark-X2.6 4B locally?
Spark-X2.6 4B needs about 2.3 GB of memory at a minimum and 3.8 GB recommended. Open this page to grade it against your GPU or Mac, then run it with runai, Ollama or LM Studio.
How much VRAM does Spark-X2.6 4B need?
At Q4_K_M, Spark-X2.6 4B uses about 2.6 GB of VRAM. Higher quants need more memory; lower quants fit tighter cards with a quality tradeoff.