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Spark-X2.5-4B-GGUF

Name: Spark-X2.5-4B-GGUF
Author: abenzerps

by abenzerps · source Hugging Face · updated 2026-09-07

apache-2.02.4 GB~4 GB RAMsource aliveunlabeled

Compatibility: These GGUF files require llama.cpp b10828 or later, which includes official support for the Spark-X2.5 (spark25) architecture. Applications with a bundled runtime must use an equivalen…

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Source and license

Source: https://huggingface.co/abenzerps/Spark-X2.5-4B-GGUF
License: apache-2.0
Requirements: about 4 GB of RAM, 2.4 GB on disk (estimate: suggested file size × 1.15 + 0.5 GB; a real measurement comes with lsh models). Runs with llama.cpp, ollama.
Tags: gguf llama.cpp spark-x2.5 long-context 1m-context text-generation conversational endpoints_compatible

Numbers

318,878 downloads on Hugging Face
24 likes
license apache-2.0
2.4 GB for Spark-X2.5-4B-Q4_K_M.gguf
130,649 stars on ggml-org/llama.cpp
2,491 open issues and PRs
last release v0.6.0 on 2026-10-05
297,971 npm downloads a week for node-llama-cpp
latest node-llama-cpp@3.22.1

Numbers as of 2026-10-09 19:01 UTC, from the source API.

Summary

Summary not ready yet: the numbers are here, the text is not. It is written by the collector through the LogiShell model facade when a provider key is present.

Reviews

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Files

file	quant	size
`Spark-X2.5-4B-Q4_0.gguf`	Q4_0	2.2 GB
`Spark-X2.5-4B-Q4_K_M.gguf`	Q4_K_M	2.4 GB
`Spark-X2.5-4B-Q5_K_M.gguf`	Q5_K_M	2.8 GB
`Spark-X2.5-4B-Q6_K.gguf`	Q6_K	3.1 GB
`Spark-X2.5-4B-Q8_0.gguf`	Q8_0	4.1 GB

From the source README

> [!IMPORTANT]
> Compatibility: These GGUF files require `llama.cpp` b10828 or later, which includes official support for the Spark-X2.5 (`spark2_5`) architecture. Applications with a bundled runtime must use an equivalent or newer build. llama.cpp support

Spark-X2.5-4B GGUF

GGUF quantizations of XHToken/Spark-X2.5-4B, a 4B general-purpose language model for reasoning, coding, tool use, and agentic workflows. Native context: 1,048,576 tokens (1M).

Benchmarks

*Benchmark results reported by XHToken for Spark-X2.5-4B in thinking mode.*

GGUF files

| Quantization | File | Size |
| --- | --- | ---: |
| Q4_0 | Spark-X2.5-4B-Q4_0.gguf | 2.41 GB |
| Q4_K_M | Spark-X2.5-4B-Q4_K_M.gguf | 2.60 GB |
| Q5_K_M | Spark-X2.5-4B-Q5_K_M.gguf | 2.98 GB |
| Q6_K | Spark-X2.5-4B-Q6_K.gguf | 3.38 GB |
| Q8_0 | Spark-X2.5-4B-Q8_0.gguf | 4.38 GB |

Includes the upstream chat_template.jinja. Checksums: SHA256SUMS.txt.

Usage

llama-cli -m Spark-X2.5-4B-Q4_K_M.gguf -c 131072 -cnv

Source

Model: XHToken/Spark-X2.5-4B
Revision: `ea14618d20e76b5b093d3ee20a5b9d733bb12410`
License: Apache-2.0

Card id model:hf:abenzerps/Spark-X2.5-4B-GGUF · collected 2026-10-09 19:01 UTC · JSON