$ ls ~/models/

Models

Fine-tunes I train on my DGX Sparks and publish on Hugging Face in GGUF and EXL3 quants, with a write-up on X for each release. The cards below are that Hugging Face profile read live, so a new release shows up here as soon as it is public.

Javi0.3-4B-EXL3

EXL3 build of Javi0.3-4B. Quantised on one DGX Spark.

EXL3 · 5-bit · base Javi0.3-4B · apache-2.0

EXL3AgentTool useDGX Spark

Javi0.3-2B-GGUF

GGUF fine-tune of Qwen/Qwen3.5-2B. LoRA-tuned with Unsloth for agent tool use. Trained on one DGX Spark.

GGUF · Q4_K_M / Q8_0 · base Qwen/Qwen3.5-2B · apache-2.0

GGUFLoRAUnslothAgent

Javi0.3-2B

Safetensors fine-tune of Qwen/Qwen3.5-2B. LoRA-tuned with Unsloth for agent tool use. Takes text and image inputs. Trained on one DGX Spark.

Safetensors · base Qwen/Qwen3.5-2B · apache-2.0

SafetensorsLoRAUnslothAgent

Javi0.3-4B-GGUF

GGUF fine-tune of Qwen/Qwen3.5-4B. LoRA-tuned with Unsloth for agent tool use. Trained on one DGX Spark.

GGUF · Q4_K_M / Q8_0 · base Qwen/Qwen3.5-4B · apache-2.0

GGUFLoRAUnslothAgent

Javi0.3-4B

Safetensors fine-tune of Qwen/Qwen3.5-4B. LoRA-tuned with Unsloth for agent tool use. Takes text and image inputs. Trained on one DGX Spark.

Safetensors · base Qwen/Qwen3.5-4B · apache-2.0

SafetensorsLoRAUnslothAgent

Javi0.2-4B (alpha)

A 4B agent model fine-tuned from Qwen3.5-4B to look things up instead of guessing, say so when it can't verify, and reason from first principles. Trained on one DGX Spark.

GGUF · Q8_0 / Q4_K_M · base Qwen3.5-4B

AgentFine-tuneDGX Spark

Qwen3-4B Pirate

Qwen3-4B-Instruct-2507 fine-tuned to answer everything in heavy pirate dialect, no system prompt needed. LoRA trained in 7m20s on one DGX Spark with Unsloth; 74.5 tok/s at Q4_K_M on Spark.

GGUF · Q4_K_M · base Qwen3-4B-Instruct-2507

LoRAUnslothDGX Spark