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  ---
2
- license: mit
3
- base_model: Qwen/Qwen2.5-Coder-0.5B-Instruct
4
  library_name: peft
5
  pipeline_tag: text-generation
 
6
  tags:
7
- - code
8
  - lora
9
- - structured-output
 
 
 
10
  ---
11
 
12
- # Advanced Fine-Tune Coding Model (Local + Hugging Face)
13
-
14
- This project fine-tunes `Qwen/Qwen2.5-Coder-0.5B-Instruct` using LoRA for:
15
- - code fixing
16
- - debugging
17
- - explanation
18
- - confidence and relevancy-aware outputs
19
-
20
- ## Files
21
-
22
- - `generate_dataset.py`: creates training dataset (5k-10k)
23
- - `finetune_coding_llm_colab.py`: local training script (LoRA) + optional upload
24
- - `infer_local.py`: test local trained model with structured JSON output
25
- - `infer_cloud.py`: run Hugging Face API inference and force the same structured JSON output
26
- - `handler.py`: custom Hugging Face Inference Endpoint handler that returns the same JSON contract from the hosted endpoint
27
- - `evaluate_model.py`: run multi-prompt quality checks and report accuracy
28
- - `upload_to_hf.py`: upload local model folder to HF
29
- - `run_pipeline.py`: one command for generate + train (+ optional upload)
30
- - `requirements.txt`: Python dependencies
31
- - `training_config.json`: default values automatically used by `run_pipeline.py`
32
-
33
- ## Local Setup (No Colab)
34
-
35
- Install dependencies:
36
-
37
- ```bash
38
- pip install -r requirements.txt
39
- ```
40
-
41
- Generate dataset (example: 8000 samples):
42
-
43
- ```bash
44
- python generate_dataset.py --size 8000 --out train.json
45
- ```
46
-
47
- Train locally:
48
-
49
- ```bash
50
- python finetune_coding_llm_colab.py --dataset-size 8000
51
- ```
52
-
53
- Enable 4-bit quantized loading (GPU):
54
-
55
- ```bash
56
- python finetune_coding_llm_colab.py --dataset-size 8000 --use-4bit
57
- ```
58
-
59
- Fast CPU smoke run:
60
-
61
- ```bash
62
- python finetune_coding_llm_colab.py --dataset-size 5000 --max-train-samples 200 --epochs 0.1
63
- ```
64
-
65
- Single command pipeline (no upload):
66
-
67
- ```bash
68
- python run_pipeline.py --dataset-size 8000 --skip-upload
69
- ```
70
-
71
- If `training_config.json` exists, `run_pipeline.py` reads it automatically for defaults.
72
-
73
- Use existing dataset without regenerating:
74
-
75
- ```bash
76
- python run_pipeline.py --dataset-size 8000 --train-file train.json --skip-generate --skip-upload
77
- ```
78
-
79
- Tunable training knobs:
80
-
81
- ```bash
82
- python run_pipeline.py --dataset-size 8000 --epochs 3 --batch-size 2 --learning-rate 1e-4 --max-length 512 --max-train-samples 0 --use-4bit --skip-upload
83
- ```
84
-
85
- ## Configure 5k-10k samples
86
-
87
- ```python
88
- --dataset-size 5000
89
- --dataset-size 8000
90
- --dataset-size 10000
91
- ```
92
-
93
- Recommended values:
94
- - 5000 for fast iteration
95
- - 8000 as balanced
96
- - 10000 for stronger adaptation (slower)
97
-
98
- ## Hugging Face Deployment
99
-
100
- Upload is optional and can be done after training:
101
-
102
- ```bash
103
- python upload_to_hf.py --model-dir model --repo-id your-username/your-model-name
104
- ```
105
-
106
- ### Update Existing HF Model Repo
107
-
108
- To update your already-created Hugging Face model with this new JSON-output behavior:
109
-
110
- 1. Retrain locally with latest code:
111
- ```bash
112
- python run_pipeline.py --dataset-size 8000 --skip-upload
113
- ```
114
-
115
- 2. Login to Hugging Face:
116
- ```bash
117
- huggingface-cli login
118
- ```
119
-
120
- 3. Upload to the same repo ID (this updates existing files):
121
- ```bash
122
- python upload_to_hf.py --model-dir model --repo-id your-username/your-existing-model-name
123
- ```
124
-
125
- Optional safer rollout using a new revision/branch:
126
- ```bash
127
- python -c "from huggingface_hub import upload_folder; upload_folder(folder_path='model', repo_id='your-username/your-existing-model-name', repo_type='model', revision='v2-json-output')"
128
- ```
129
-
130
- You can also trigger upload from trainer:
131
-
132
- ```bash
133
- python finetune_coding_llm_colab.py --skip-dataset-gen --skip-train --upload --hf-repo your-username/your-model-name
134
- ```
135
-
136
- ## Quick Inference Test (Structured JSON)
137
-
138
- After local training, inference returns JSON with:
139
- - `code`
140
- - `explanation`
141
- - `confidence`
142
- - `important_tokens`
143
- - `relevancy_score`
144
- - `hallucination`
145
- - `hallucination_check_reason`
146
- - `latency_ms`
147
-
148
- ```python
149
- python infer_local.py --model-path model --prompt "Fix this code: def add(a,b) return a+b"
150
- ```
151
 
152
- Local inference uses cached model files by default to avoid slow network checks. If the base model is not already cached on a new machine, run once with:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
153
 
154
- ```bash
155
- python infer_local.py --model-path model --prompt "Fix this code: def add(a,b) return a+b" --allow-downloads
156
  ```
 
 
 
 
 
 
 
157
 
158
- Run the same structured-output wrapper through the Hugging Face API:
 
 
159
 
160
- ```bash
161
- set HF_TOKEN=your_huggingface_token
162
- python infer_cloud.py --repo-id your-username/your-model-name --prompt "Fix this code: def add(a,b) return a+b"
163
  ```
 
164
 
165
- If `infer_cloud.py` falls back to local inference on a new machine that has not cached the base model yet, add `--allow-downloads`.
166
 
167
- PowerShell:
168
 
169
- ```powershell
170
- $env:HF_TOKEN="your_huggingface_token"
171
- python infer_cloud.py --repo-id your-username/your-model-name --prompt "Fix this code: def add(a,b) return a+b"
172
- ```
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
173
 
174
- If you already ran `hf auth login` or `huggingface-cli login`, you can omit `HF_TOKEN`; the saved token will be used automatically.
175
 
176
- For true cloud execution, deploy the model as a Hugging Face Dedicated Inference Endpoint and pass the endpoint URL:
 
177
 
178
- ```powershell
179
- $env:HF_TOKEN="your_huggingface_token"
180
- python infer_cloud.py --endpoint-url "https://your-endpoint-url.endpoints.huggingface.cloud" --prompt "Fix this code: def add(a,b) return a+b" --no-local-fallback
 
 
 
 
 
 
 
 
 
 
 
 
 
181
  ```
182
 
183
- You can also use environment variables:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
184
 
185
- ```powershell
186
- $env:HF_TOKEN="your_huggingface_token"
187
- $env:HF_ENDPOINT_URL="https://your-endpoint-url.endpoints.huggingface.cloud"
188
- python infer_cloud.py --prompt "Fix this code: def add(a,b) return a+b" --no-local-fallback
 
 
 
 
 
189
  ```
190
 
191
- `infer_cloud.py` applies the same JSON parsing, Python syntax check, relevancy score, hallucination flag, and auto-repair fallback as `infer_local.py`. If Hugging Face cannot serve your custom model repo through an inference provider, the script automatically falls back to the local `model/` folder so the command still returns the local-style JSON. Use `--no-local-fallback` if you want cloud-only failure behavior.
192
 
193
- Hosted Hugging Face API calls usually do not return token logits, so `important_tokens` may be empty and `confidence` may be `0.0` unless your endpoint returns token-level details. When the local fallback runs, those fields are computed the same way as `infer_local.py`.
194
 
195
- ### Cloud Output Guarantee
196
 
197
- To make other users receive this JSON pattern with their own token, deploy this repository as a Hugging Face Dedicated Inference Endpoint. The included `handler.py` is loaded by the endpoint and returns:
 
 
 
 
 
198
 
199
- ```json
200
- {
201
- "code": "string",
202
- "explanation": "string",
203
- "confidence": 0.0,
204
- "important_tokens": [],
205
- "relevancy_score": 0.0,
206
- "hallucination": false,
207
- "hallucination_check_reason": "string",
208
- "latency_ms": 0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
209
  }
210
  ```
211
 
212
- Endpoint request example:
 
 
213
 
214
- ```powershell
215
- $env:HF_TOKEN="their_huggingface_token"
216
- Invoke-RestMethod `
217
- -Uri "https://your-endpoint-url.endpoints.huggingface.cloud" `
218
- -Method Post `
219
- -Headers @{ Authorization = "Bearer $env:HF_TOKEN" } `
220
- -ContentType "application/json" `
221
- -Body '{"inputs":"Fix this code: def add(a,b) return a+b","parameters":{"max_new_tokens":320}}'
222
- ```
223
 
224
- Calling the model repository directly through Hugging Face serverless inference is not enough if Hugging Face has no provider serving the custom repo. Use a Dedicated Inference Endpoint or your own cloud VM for true cloud execution.
225
-
226
- Explicit base model for LoRA adapter loading:
227
-
228
- ```python
229
- python infer_local.py --model-path model --base-model Qwen/Qwen2.5-Coder-0.5B-Instruct --prompt "Fix this code: def add(a,b) return a+b"
230
- ```
231
-
232
- `infer_local.py` automatically handles both:
233
- - LoRA adapter output folders
234
- - Fully merged/full-model output folders
235
-
236
- ## Accuracy Evaluation
237
-
238
- Run default evaluation prompts:
239
-
240
- ```bash
241
- python evaluate_model.py --model-path model
242
- ```
243
-
244
- Run with custom prompts:
245
-
246
- ```bash
247
- python evaluate_model.py --model-path model --prompt "Fix this code: if x = 5: print(x)" --prompt "Write python code for linear regression and explain it"
248
- ```
249
-
250
- For higher quality output:
251
- - use dataset size `8000` or `10000`
252
- - use `epochs >= 3`
253
- - prefer `--use-4bit` when GPU is available
254
- - keep prompts specific and task-focused
255
-
256
- ## Recommended Run Order
257
-
258
- ```bash
259
- python run_pipeline.py --dataset-size 8000 --skip-upload
260
- python infer_local.py --model-path model --prompt "Fix this code: def add(a,b) return a+b"
261
- python evaluate_model.py --model-path model
262
- python upload_to_hf.py --model-dir model --repo-id your-username/your-existing-model-name
263
- ```
 
1
  ---
2
+ license: apache-2.0
3
+ base_model: "Qwen/Qwen2.5-Coder-0.5B-Instruct"
4
  library_name: peft
5
  pipeline_tag: text-generation
6
+
7
  tags:
 
8
  - lora
9
+ - transformers
10
+ - coding
11
+ - code-generation
12
+ - peft
13
  ---
14
 
15
+ # ConicAI Coding LLM
16
+
17
+ ## Model Details
18
+
19
+ ### Model Description
20
+
21
+ ConicAI LLM Model is a parameter-efficient fine-tuned coding assistant built using LoRA on top of Qwen2.5-Coder. It is designed to generate, debug, and explain code with structured outputs.
22
+
23
+ * **Developed by:** GIRISH KUMAR DEWANGAN
24
+ * **Model type:** Causal Language Model (Code LLM)
25
+ * **Language(s):** Python, general programming
26
+ * **used for:** Code generation, debugging, fixing error, getting evaluation score, check hallucination and relevancy score as well
27
+ * **License:** Apache 2.0
28
+ * **Finetuned from model:** Qwen/Qwen2.5-Coder-0.5B-Instruct
29
+
30
+ ---
31
+
32
+ ## Model Sources
33
+
34
+ * **Repository:** https://huggingface.co/girish00/ConicAI_LLM_model
35
+ * **Paper:** Available in repo ("ConicAI_paper.md")
36
+
37
+ ---
38
+
39
+ ## Uses
40
+
41
+ ### Direct Use
42
+
43
+ * Code generation
44
+ * Debugging
45
+ * Code explanation
46
+ * Learning programming
47
+
48
+ ---
49
+
50
+ ### Downstream Use
51
+
52
+ * Coding assistants
53
+ * AI-based education tools
54
+ * Developer productivity tools
55
+
56
+ ---
57
+
58
+ ### Out-of-Scope Use
59
+
60
+ * Security-critical systems
61
+ * Autonomous production systems
62
+ * High-risk environments
63
+
64
+ ---
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
65
 
66
+ ## Bias, Risks, and Limitations
67
+
68
+ * May generate incorrect logic
69
+ * Confidence scores are heuristic
70
+ * Output depends on prompt quality
71
+ * Limited dataset generalization
72
+
73
+ ---
74
+
75
+ ## Recommendations
76
+
77
+ * Always validate generated code
78
+ * Use structured prompts
79
+ * Avoid ambiguous instructions
80
+
81
+ ---
82
+ ## Structured Output Framework
83
+ The model produces outputs in structured JSON format:
84
 
 
 
85
  ```
86
+ {
87
+ "code": "...",
88
+ "explanation": "...",
89
+ "confidence": 0.84,
90
+ "relevancy_score": 0.82,
91
+ "hallucination": false
92
+ }
93
 
94
+ ```
95
+ ```text
96
+ This enables:
97
 
98
+ -Easy API integration
99
+ -Automated evaluation
100
+ -Better interpretability
101
  ```
102
+ ---
103
 
 
104
 
105
+ ## 🚀 How to Get Started with the Model
106
 
107
+ ```python
108
+ !pip -q install -U transformers peft accelerate huggingface_hub safetensors
109
+ !pip install --upgrade torchao
110
+
111
+ from google.colab import userdata
112
+ HF_TOKEN = userdata.get('HF_TOKEN')
113
+
114
+ model = "girish00/ConicAI_LLM_model"
115
+ prompt = input("Enter your prompt: ")
116
+
117
+ from huggingface_hub import login, snapshot_download
118
+ login(token=HF_TOKEN)
119
+
120
+ repo = snapshot_download(model, token=HF_TOKEN)
121
+
122
+ import sys, os
123
+ sys.path.append(repo)
124
+
125
+ from infer_local import build_instruction_prompt, build_structured_result
126
+ from peft import PeftConfig, PeftModel
127
+ from transformers import AutoTokenizer, AutoModelForCausalLM
128
+ import torch, time, json
129
+
130
+ cfg = PeftConfig.from_pretrained(repo)
131
+ base = cfg.base_model_name_or_path
132
+
133
+ tokenizer = AutoTokenizer.from_pretrained(base)
134
+
135
+ base_model = AutoModelForCausalLM.from_pretrained(
136
+ base,
137
+ torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32,
138
+ device_map="auto"
139
+ )
140
+
141
+ llm = PeftModel.from_pretrained(base_model, repo)
142
+ llm.eval()
143
+
144
+ inputs = tokenizer(build_instruction_prompt(prompt), return_tensors="pt").to(llm.device)
145
+
146
+ start = time.perf_counter()
147
+
148
+ with torch.no_grad():
149
+ out = llm.generate(
150
+ **inputs,
151
+ max_new_tokens=320,
152
+ output_scores=True,
153
+ return_dict_in_generate=True,
154
+ do_sample=False,
155
+ pad_token_id=tokenizer.eos_token_id
156
+ )
157
 
158
+ latency = int((time.perf_counter() - start) * 1000)
159
 
160
+ gen_ids = out.sequences[0][inputs["input_ids"].shape[1]:].tolist()
161
+ text = tokenizer.decode(gen_ids, skip_special_tokens=True)
162
 
163
+ conf = []
164
+ for tid, score in zip(gen_ids, out.scores):
165
+ probs = torch.softmax(score[0], dim=-1)
166
+ conf.append(float(probs[tid].item()))
167
+
168
+ print(json.dumps(
169
+ build_structured_result(
170
+ prompt,
171
+ text,
172
+ latency,
173
+ tokenizer=tokenizer,
174
+ generated_ids=gen_ids,
175
+ token_confidences=conf
176
+ ),
177
+ indent=2
178
+ ))
179
  ```
180
 
181
+ ---
182
+
183
+ ## 📊 Benchmark Results
184
+
185
+ ![Benchmark](./benchmark.png)
186
+
187
+ ---
188
+
189
+ ## Training Details
190
+
191
+ ### Dataset
192
+
193
+ * Size: ~5K samples
194
+ * Instruction-based coding dataset
195
+
196
+ ### Training Procedure
197
+
198
+ * Method: LoRA fine-tuning
199
+ * Framework: Transformers + PEFT
200
+ * Precision: FP16 / Mixed
201
+
202
+ ### Training Hyperparameters
203
+
204
+ | Parameter | Value |
205
+ | ------------------- | ----- |
206
+ | Epochs | 1–3 |
207
+ | Batch Size | 2 |
208
+ | Learning Rate | 2e-4 |
209
+ | Max Sequence Length | 512 |
210
+ | LoRA Rank (r) | 8 |
211
+ | LoRA Alpha | 16 |
212
+ | LoRA Dropout | 0.05 |
213
 
214
+ ---
215
+
216
+ ## Inference Configuration
217
+
218
+ ```text
219
+ max_new_tokens = 200
220
+ temperature = 0.2
221
+ top_p = 0.9
222
+ do_sample = True
223
  ```
224
 
225
+ ---
226
 
227
+ ## Evaluation
228
 
229
+ ### Metrics
230
 
231
+ * Code correctness
232
+ * Syntax validity
233
+ * Relevancy score
234
+ * Hallucination rate
235
+ * Confidence score
236
+ * Latency
237
 
238
+ ---
239
+
240
+ ### Results Summary
241
+
242
+ * Higher correctness vs base model
243
+ * Lower hallucination rate
244
+ * Better structured outputs
245
+
246
+ ---
247
+
248
+ ## Technical Specifications
249
+
250
+ ### Architecture
251
+
252
+ * Transformer-based causal LM
253
+ * LoRA adaptation
254
+
255
+ ---
256
+
257
+ ### Hardware
258
+
259
+ * GPU recommended (optional)
260
+ * CPU supported
261
+
262
+ ---
263
+
264
+ ### Software
265
+
266
+ * Transformers
267
+ * PEFT
268
+ * PyTorch
269
+
270
+ ---
271
+
272
+ ## Environmental Impact
273
+
274
+ * Low compute due to LoRA
275
+ * Efficient fine-tuning
276
+
277
+ ---
278
+
279
+ ## Citation
280
+
281
+ **BibTeX:**
282
+
283
+ ```text
284
+ @misc{conicai_llm,
285
+ author = {Girish},
286
+ title = {ConicAI Coding LLM},
287
+ year = {2026},
288
+ publisher = {Hugging Face}
289
  }
290
  ```
291
 
292
+ ---
293
+
294
+ ## Model Card Authors
295
 
296
+ GIRISH KUMAR DEWANGAN
297
+
298
+ ---
299
+
300
+
301
+ ### Framework versions
 
 
 
302
 
303
+ * PEFT 0.19.0