Instructions to use A-Kishore/llama-3.2-3b-text2sql with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- Transformers
How to use A-Kishore/llama-3.2-3b-text2sql with Transformers:
# Use a pipeline as a high-level helper from transformers import pipeline pipe = pipeline("text-generation", model="A-Kishore/llama-3.2-3b-text2sql") messages = [ {"role": "user", "content": "Who are you?"}, ] pipe(messages)# Load model directly from transformers import AutoTokenizer, AutoModelForCausalLM tokenizer = AutoTokenizer.from_pretrained("A-Kishore/llama-3.2-3b-text2sql") model = AutoModelForCausalLM.from_pretrained("A-Kishore/llama-3.2-3b-text2sql") messages = [ {"role": "user", "content": "Who are you?"}, ] inputs = tokenizer.apply_chat_template( messages, add_generation_prompt=True, tokenize=True, return_dict=True, return_tensors="pt", ).to(model.device) outputs = model.generate(**inputs, max_new_tokens=40) print(tokenizer.decode(outputs[0][inputs["input_ids"].shape[-1]:])) - PEFT
How to use A-Kishore/llama-3.2-3b-text2sql with PEFT:
Task type is invalid.
- Notebooks
- Google Colab
- Kaggle
- Local Apps Settings
- vLLM
How to use A-Kishore/llama-3.2-3b-text2sql with vLLM:
Install from pip and serve model
# Install vLLM from pip: pip install vllm # Start the vLLM server: vllm serve "A-Kishore/llama-3.2-3b-text2sql" # Call the server using curl (OpenAI-compatible API): curl -X POST "http://localhost:8000/v1/chat/completions" \ -H "Content-Type: application/json" \ --data '{ "model": "A-Kishore/llama-3.2-3b-text2sql", "messages": [ { "role": "user", "content": "What is the capital of France?" } ] }'Use Docker
docker model run hf.co/A-Kishore/llama-3.2-3b-text2sql
- SGLang
How to use A-Kishore/llama-3.2-3b-text2sql with SGLang:
Install from pip and serve model
# Install SGLang from pip: pip install sglang # Start the SGLang server: python3 -m sglang.launch_server \ --model-path "A-Kishore/llama-3.2-3b-text2sql" \ --host 0.0.0.0 \ --port 30000 # Call the server using curl (OpenAI-compatible API): curl -X POST "http://localhost:30000/v1/chat/completions" \ -H "Content-Type: application/json" \ --data '{ "model": "A-Kishore/llama-3.2-3b-text2sql", "messages": [ { "role": "user", "content": "What is the capital of France?" } ] }'Use Docker images
docker run --gpus all \ --shm-size 32g \ -p 30000:30000 \ -v ~/.cache/huggingface:/root/.cache/huggingface \ --env "HF_TOKEN=<secret>" \ --ipc=host \ lmsysorg/sglang:latest \ python3 -m sglang.launch_server \ --model-path "A-Kishore/llama-3.2-3b-text2sql" \ --host 0.0.0.0 \ --port 30000 # Call the server using curl (OpenAI-compatible API): curl -X POST "http://localhost:30000/v1/chat/completions" \ -H "Content-Type: application/json" \ --data '{ "model": "A-Kishore/llama-3.2-3b-text2sql", "messages": [ { "role": "user", "content": "What is the capital of France?" } ] }' - Unsloth Studio
How to use A-Kishore/llama-3.2-3b-text2sql with Unsloth Studio:
Install Unsloth Studio (macOS, Linux, WSL)
curl -fsSL https://unsloth.ai/install.sh | sh # Run unsloth studio unsloth studio -H 0.0.0.0 -p 8888 # Then open http://localhost:8888 in your browser # Search for A-Kishore/llama-3.2-3b-text2sql to start chatting
Install Unsloth Studio (Windows)
irm https://unsloth.ai/install.ps1 | iex # Run unsloth studio unsloth studio -H 0.0.0.0 -p 8888 # Then open http://localhost:8888 in your browser # Search for A-Kishore/llama-3.2-3b-text2sql to start chatting
Using HuggingFace Spaces for Unsloth
# No setup required # Open https://huggingface.co/spaces/unsloth/studio in your browser # Search for A-Kishore/llama-3.2-3b-text2sql to start chatting
Load model with FastModel
pip install unsloth from unsloth import FastModel model, tokenizer = FastModel.from_pretrained( model_name="A-Kishore/llama-3.2-3b-text2sql", max_seq_length=2048, ) - Docker Model Runner
How to use A-Kishore/llama-3.2-3b-text2sql with Docker Model Runner:
docker model run hf.co/A-Kishore/llama-3.2-3b-text2sql
🔮 Llama-3.2-3B-Instruct Text-to-SQL
A fine-tuned version of unsloth/Llama-3.2-3B-Instruct-bnb-4bit for generating SQL queries from natural language questions and database DDL schemas.
Model Summary
| Attribute | Value |
|---|---|
| Base Model | unsloth/Llama-3.2-3B-Instruct-bnb-4bit |
| Task | Text-to-SQL (natural language → SQL) |
| Fine-Tuning Method | LoRA (PEFT) via Unsloth + TRL |
| Training Dataset | gretelai/synthetic_text_to_sql (50k samples) |
| Trainable Parameters | ~0.75% of base model |
| Export Format | Merged FP16 (merged_16bit) |
| License | Apache-2.0 + Meta Llama 3 Community License |
| Developer | A-Kishore |
Evaluation Results
Evaluated on the first 200 samples of the gretelai/synthetic_text_to_sql test split using greedy decoding. ROUGE F-measures reported.
| Model | ROUGE-1 | ROUGE-2 | ROUGE-L |
|---|---|---|---|
Base Model (unsloth/Llama-3.2-3B-Instruct-bnb-4bit) |
0.2908 | 0.2016 | 0.2651 |
Fine-Tuned (A-Kishore/llama-3.2-3b-text2sql) |
0.8486 | 0.7232 | 0.8151 |
| Improvement | +191.82% | +258.73% | +207.47% |
Metric interpretation:
- ROUGE-1 (unigram overlap) reflects accurate retrieval of schema identifiers and SQL keywords.
- ROUGE-2 (bigram overlap) captures structural alignment of consecutive SQL constructs (e.g.
GROUP BY,ORDER BY). - ROUGE-L (longest common subsequence) tracks overall query flow including nested clauses and join ordering.
Note: ROUGE measures lexical overlap, not SQL executability. A query may score slightly lower due to stylistic differences (alias names, join ordering) while still being functionally equivalent. See Limitations.
How to Use
The model weights are fully merged in 16-bit precision and load with standard transformers or unsloth.
Prompt Format
Always use this exact template — the model was trained on it:
###TASK
Generate the SQL query to answer the following question
### Database Schema
{sql_context}
### Question
{sql_prompt}
### SQL Query
(a) Standard transformers
import torch
from transformers import AutoTokenizer, AutoModelForCausalLM
model_name = "A-Kishore/llama-3.2-3b-text2sql"
tokenizer = AutoTokenizer.from_pretrained(model_name)
model = AutoModelForCausalLM.from_pretrained(
model_name,
torch_dtype=torch.float16,
device_map="auto"
)
prompt = """###TASK
Generate the SQL query to answer the following question
### Database Schema
{sql_context}
### Question
{sql_prompt}
### SQL Query
"""
sql_context = "CREATE TABLE employees (id INT, name TEXT, department TEXT, salary REAL);"
sql_prompt = "What is the average salary per department?"
inputs = tokenizer(
prompt.format(sql_context=sql_context, sql_prompt=sql_prompt),
return_tensors="pt"
).to("cuda")
outputs = model.generate(
**inputs,
max_new_tokens=150,
use_cache=True,
pad_token_id=tokenizer.eos_token_id
)
result = tokenizer.decode(outputs[0], skip_special_tokens=True)
sql = result.split("### SQL Query")[-1].strip()
print(sql)
# SELECT department, AVG(salary) FROM employees GROUP BY department;
(b) Unsloth Fast Inference
import torch
from unsloth import FastLanguageModel
model, tokenizer = FastLanguageModel.from_pretrained(
model_name="A-Kishore/llama-3.2-3b-text2sql",
max_seq_length=768,
dtype=torch.float16,
load_in_4bit=False,
)
FastLanguageModel.for_inference(model)
prompt = """###TASK
Generate the SQL query to answer the following question
### Database Schema
{sql_context}
### Question
{sql_prompt}
### SQL Query
"""
sql_context = "CREATE TABLE employees (id INT, name TEXT, department TEXT, salary REAL);"
sql_prompt = "What is the average salary per department?"
inputs = tokenizer(
prompt.format(sql_context=sql_context, sql_prompt=sql_prompt),
return_tensors="pt"
).to("cuda")
outputs = model.generate(
**inputs,
max_new_tokens=150,
temperature=None,
do_sample=False,
pad_token_id=tokenizer.eos_token_id
)
result = tokenizer.decode(outputs[0], skip_special_tokens=True)
sql = result.split("### SQL Query")[-1].strip()
print(sql)
Training Details
Dataset
- Source:
gretelai/synthetic_text_to_sql - Training split: 50,000 shuffled samples from
train - Evaluation split: First 200 samples from
test
LoRA Configuration
| Parameter | Value |
|---|---|
Rank (r) |
16 |
Alpha (lora_alpha) |
16 |
| Target Modules | q_proj, k_proj, v_proj, o_proj, gate_proj, up_proj, down_proj |
| Bias | none |
LoRA freezes the base model weights and injects trainable rank-decomposition matrices into all attention and MLP projections. Only ~0.75% of parameters are updated, dramatically reducing VRAM usage and preventing catastrophic forgetting.
Hyperparameters
| Parameter | Value |
|---|---|
| Optimizer | paged_adamw_8bit |
| Learning Rate | 2e-4 |
| LR Scheduler | linear |
| Warmup Steps | 5 |
| Epochs | 1 |
| Per-Device Batch Size | 8 |
| Gradient Accumulation | 1 |
| Max Sequence Length | 768 |
| Sequence Packing | True |
| Mixed Precision | fp16 |
| Experiment Tracking | Weights & Biases |
Training was accelerated using the unsloth library, which provides optimized GPU kernels for 4-bit quantized training (~2× faster than standard configurations).
Repository
Training and evaluation code: a-kishore-dev/llama-text2sql-finetune
Notebooks included:
Text_to_SQL_Finetuning.ipynb— dataset prep, LoRA config, training, exportevaluate_model.ipynb— ROUGE evaluation comparing base vs fine-tuned
Limitations
- SQL executability: ROUGE is a lexical proxy. High ROUGE does not guarantee a query will execute or return logically correct results. A query with different aliases or reordered joins may score lower despite being equivalent.
- Out-of-distribution schemas: Performance degrades on high-cardinality databases, deeply nested subqueries, or DDL patterns that diverge significantly from the training distribution.
- Single epoch: The model was trained for one epoch on 50k samples. Further training may improve generalization.
License
The model adapter is released under Apache 2.0. The underlying base model is governed by the Meta Llama 3 Community License Agreement. Users must comply with both.
Acknowledgements
- Unsloth — optimized kernels for 4-bit training and sequence packing
- Hugging Face —
trl(SFTTrainer) andtransformers - Meta AI — Llama 3.2 open weights
- Gretel AI — synthetic Text-to-SQL dataset
Author
A-Kishore · GitHub · HuggingFace
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Base model
meta-llama/Llama-3.2-3B-Instruct