XHToken / text-generation Open weights updated 1 month ago

Spark-X2.5-4B-GGUF

Spark-X2.5 is a compact, general-purpose language model for conversation, writing, translation, reasoning, coding, tool use, and agentic workflows. It uses a hybrid attention architecture, supports a native context length of up to 1M tokens, and covers more than 200 languages. For its architecture, training methods, benchmark results, fine-tuning, and citation, see the Spark-X2.5-4B.

Params
4.0 B
Context
—
Downloads 30d
315 K
Likes
289
Commercial use: allowed apache-2.0 Not gated GGUF 2 languages View on Hugging Face ↗

Download history

daily snapshots · 54 days
▲ 180 K in the last 30 days (36.4%)
496 K207 K
Sep 18Oct 6Oct 24Nov 10

Can you run it?

Estimated VRAM at 8K context unless noted. Pick your hardware to see the verdict per quantization.

FileQuantSizeEst. VRAMVerdict on RTX 4090 · 24 GB
Spark-X2.5-4B-Q4_K_M.gguf Q4_K_M 2.6 GB 4.0 GB ✅ Runs comfortably
Spark-X2.5-4B-Q8_0.gguf Q8_0 4.4 GB 5.9 GB ✅ Runs comfortably
Spark-X2.5-4B.gguf GGUF 8.2 GB 10.2 GB ✅ Runs comfortably
Estimate: file size × 1.1 + KV cache at 8K + 0.5 GB overhead. Not a benchmark — how we calculate this.

Run it

copy-paste, exact tags checked against the Hub
~ · ollama · Q4_K_M
$ ollama run spark-x2-5-4b-gguf

# pin the quantization explicitly
$ ollama run spark-x2-5-4b-gguf-q4_k_m
est. VRAM 4.0 GBon RTX 4090 · 24 GBJSON API →

Specifications

Parameters
4.0 B
Licence
apache-2.0
First seen on the Hub
2026-08-28
Training datasets
undisclosed
Added to our catalog
2026-09-18
Compare with any text-generation model