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---
license: apache-2.0
library_name: transformers
pipeline_tag: text-generation
base_model:
- mossez-systems/Mossez-100M-Coder-Base
tags:
- causal-lm
- conversational
- code
- fill-in-the-middle
- instruct
- llama
- research
- experimental
---
# Mossez-100M-Coder-Instruct
Mossez-100M-Coder-Instruct is an experimental 100M-parameter coding instruction
model with this weight lineage:
`Mossez-100M-Base -> Mossez-100M-Coder-Base -> Mossez-100M-Coder-Instruct`.
The general [`Mossez-100M-Instruct`](https://huggingface.co/mossez-systems/Mossez-100M-Instruct)
was used only as a tokenizer, chat-template, release, and inference reference;
its weights were not used as source weights for this model.
## Model details
| Property | Value |
|---|---:|
| Parameters | 100,098,048 |
| Architecture | Llama-compatible decoder-only Transformer |
| Layers / hidden size | 12 / 768 |
| Query / KV heads | 12 / 4 |
| Context length | 1,024 tokens |
| Vocabulary | 32,007 |
| Objective | Assistant-only SFT loss |
| Weight format | Safetensors, FP32 |
| License | Apache-2.0 |
## Usage
```python
from transformers import AutoModelForCausalLM, AutoTokenizer
model_id = "mossez-systems/Mossez-100M-Coder-Instruct"
tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForCausalLM.from_pretrained(model_id, device_map="auto")
messages = [{"role": "user", "content": "Write a short Python function that adds two integers."}]
prompt = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
inputs = tokenizer(prompt, return_tensors="pt").to(model.device)
output = model.generate(**inputs, do_sample=False, max_new_tokens=96)
new_tokens = output[0, inputs.input_ids.shape[1]:]
print(tokenizer.decode(new_tokens, skip_special_tokens=True))
```
## Training and evaluation
The model was fine-tuned for one bounded epoch: 660 optimizer steps over 2,640
project-authored examples, using assistant-only loss. Immutable validation and
test sets contain 330 examples each across 11 balanced task types. See
[TRAINING_REPORT.md](TRAINING_REPORT.md), [EVALUATION.md](EVALUATION.md), and
[DATASET_ATTRIBUTION.md](DATASET_ATTRIBUTION.md).
The released `model.safetensors` SHA-256 is
`0aade7d070122633abccd70cc5500e5bc36c7f69fafeadd9f5ee0b5a3e0766bf`.
## Limitations
This is a small research model, not a reliable or safe production coding
assistant. The authored SFT corpus is balanced but narrow and template-heavy,
so held-out loss may overstate general-world capability. Expect repetition,
incorrect constants, malformed code, hallucinated APIs, weak instruction
following, and early EOS. Validate, test, and sandbox every output.