gemma-coder-dev / README.md
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---
license: gemma
base_model: google/gemma-4-26B-A4B-it
datasets:
- nvidia/OpenCodeInstruct
library_name: transformers
pipeline_tag: text-generation
tags:
- code
- coding-assistant
- qlora
- unsloth
model-index:
- name: gemma-coder-dev
results:
- task:
type: text-generation
name: Code generation
dataset:
name: remote-agent-dev-platform coding_eval
type: code-eval
metrics:
- type: pass@1
value: 0.3913
name: pass@1 (Python/JS/React/Go/Java/Swift)
---
# gemma-coder-dev
Coding-focused fine-tune of [`google/gemma-4-26B-A4B-it`](https://huggingface.co/google/gemma-4-26B-A4B-it)
(**Gemma 4 26B A4B**, an MoE with ~4B active params), produced automatically by the
weekly retrain pipeline in [remote-agent-dev-platform](https://github.com/Monibee-Fudgekins/remote-agent-dev-platform).
**Last updated: 2026-06-23 09:46 UTC** · run mode: `full` · promoted: **False**.
## Model description
QLoRA fine-tune of google/gemma-4-26B-A4B-it specialized for coding assistance. It is the
default agent model for the remote-agent-dev-platform (served via vLLM on Modal).
## Intended uses & limitations
- **Intended:** code generation and assistance in Python, JavaScript/React, Go, Java,
and Swift, inside a sandboxed agent that runs/tests the output.
- **Not intended:** safety-critical use, or running generated code unreviewed.
- **Limitations:** a small, free-tier-trained model — it can produce incorrect or
insecure code. Always review and test. Quality tracks the training data, which is
still being built out.
## Training data
- Dataset: [`nvidia/OpenCodeInstruct`](https://huggingface.co/datasets/nvidia/OpenCodeInstruct)
## Training procedure
- Method: QLoRA (Unsloth), 4-bit base, LoRA r=8 / alpha=16 on
attention + MoE experts, lr 2e-4,
max seq len 512, optimizer adamw_8bit.
- Progress: **cycle 1 — 599 / 4000 steps** (trained
in weekly ~8h chunks on Kaggle's free 2×T4, resuming each week; training is
continuous — a finished cycle rolls into the next).
## Evaluation
Sandboxed multi-language **pass@1** harness (`finetune/evaluate.py`): the model
completes functions that are then compiled/run against unit tests. Languages whose
toolchain is unavailable are skipped.
**Overall pass@1: 39.13%** over 23 executed problems
(4 skipped). Promotion threshold: 46%.
| language | passed / run | pass@1 |
|---|---|---|
| go | 1/4 | 25.00% |
| java | 0/4 | 0.00% |
| javascript | 0/7 | 0.00% |
| python | 8/8 | 100.00% |
| swift | 0/0 | skipped (no toolchain) |
## How to use
```python
from transformers import AutoModelForCausalLM, AutoTokenizer
tok = AutoTokenizer.from_pretrained("Monibee-Fudgekins/gemma-coder-dev")
model = AutoModelForCausalLM.from_pretrained("Monibee-Fudgekins/gemma-coder-dev", device_map="auto")
msgs = [{"role": "user", "content": "Write a Python function that reverses a string."}]
ids = tok.apply_chat_template(msgs, add_generation_prompt=True, return_tensors="pt").to(model.device)
print(tok.decode(model.generate(ids, max_new_tokens=256)[0]))
```
## Provenance
Generated by `finetune/kaggle/run.py` in [https://github.com/Monibee-Fudgekins/remote-agent-dev-platform](https://github.com/Monibee-Fudgekins/remote-agent-dev-platform); see that repo for
the full training + eval pipeline.